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Business application

PriceSpark

Watch the product, not the link

PriceSpark is a Windows app with a Google Chrome extension that recognizes a product, finds it in many shops, works out the real cost of buying it with delivery and checks whether today’s price really is a deal — then keeps an eye on it for you. Your products, price history, and settings stay on your computer.

from $10 net/month

from $10 gross/month

  • Windows 10 (from 1903) and 11 + Google Chrome
  • License for 1 computer · key and installer link by email
  • Requires a constant internet connection (license verification)
PriceSpark dashboard with tiles for watched products, good deals and alerts, and a list of the best deals

Key capabilities

  • PL · DE · CZ

    One product, many shops

    Offers for the same product from shops, comparison sites, and marketplaces in one place.

  • Delivery included

    The real cost of buying

    Price, delivery to your country, and currency conversion — you see what you will actually pay.

  • 4 ratings

    Deals judged on data

    Today’s price compared with the minimum, average, and median from the history, not with a “sale” label.

  • 365 days

    Price history and alerts

    A year of history on a chart and a notification when the cost drops to your threshold.

  • 40+ services

    Travel and subscriptions

    Flights, stays, and vacation packages from many sites at once, plus a subscription comparison.

  • On your PC

    Your data stays with you

    Products, price history, and settings are stored locally — no account in the app and no cloud.

Offer comparison

One product, every shop

PriceSpark watches the product, not a single web address. Offers from different shops and markets come together in one place, and identical offers are kept apart from similar variants, bundles and accessories.

  • Product recognition by EAN code, manufacturer code, brand and model
  • Shops, comparison sites and marketplaces from Poland, Germany and the Czech Republic
  • Other variants and bundles marked separately
Product details in PriceSpark with the best cost, a price threshold and a table of offers from many shops

Real cost

What you will actually pay

What counts is the cost, not the headline price: the price, delivery to your country and the currency converted at the current rate. You see the best real cost straight away next to every product.

  • Delivery cost included in the comparison
  • Prices from other markets converted automatically
  • The 90-day lowest price next to the current one
PriceSpark product card with the best cost, deal rating, 90-day lowest price and price threshold

Deal rating

Deals judged on data

The deal engine compares today’s price with the product’s history — minimum, average, and median — instead of trusting “sale” and “−50%” labels. Every product gets a clear rating.

  • Four ratings: Great, Good, Average, Overpriced
  • The price change over the last 30 days next to every product
  • Lists sorted with one click
PriceSpark product table with colored deal rating badges and the cost of buying with delivery

Price history

Buy now or wait?

A year of price history on one chart: the lowest price, the 90-day average and your threshold. Statistics for 7, 30, 90, 180 and 365 days help you decide whether to buy now.

  • A 365-day chart with average and threshold lines
  • Minimum, average and median for several periods
  • History built automatically in the background
One-year price history in PriceSpark: a chart of the best cost over 365 days, average, threshold and 90-day minimum

Alerts

A notification when the price drops

Set a price threshold with one click. The notification arrives in Windows and in Chrome when the cost drops to the threshold — once, without flooding you with messages.

  • A drop to the threshold, a new minimum, a drop of a few percent
  • Every notification with price, threshold, and a link to the offer
  • You set the check frequency yourself
List of PriceSpark price drop notifications with a details panel for the selected alert and a link to the offer

Travel

Flights, stays, and vacation packages in one table

Search several sites at once, see the results in one table with the cheapest offer highlighted straight away. Every travel search runs in a new, empty Chrome profile.

  • Flights with filters for stops, baggage and airlines
  • Stays with guest ratings and the price for the whole stay
  • Saved searches checked every few hours
Flight search in PriceSpark with results from several sites in one table and the cheapest flight marked

Pricing

Choose a plan: a one-off license or a subscription with updates.

Recommended

Monthly subscription

Billed monthly

$10 net/month

$10 gross/month (incl. 23% Polish VAT)

Prepaid monthly access. Before the period ends you receive a payment link — no automatic charges.

  • Prepaid monthly, no automatic charges
  • Updates and support included
  • Cancel renewals at any time

One-off license

One-off payment

$40 net

$50 gross (incl. 23% Polish VAT)

A single payment for the license, with no recurring charges.

  • License with no billing periods
  • One-off purchase, no commitment

Renewal via a payment link before the period ends – no automatic charges; you can cancel at any time.

For now we take orders through the contact form: click “Ask about buying” and I'll reply by email with payment instructions.

Gross prices include Polish VAT. For businesses and customers from other countries VAT is calculated in the order summary (e.g. reverse charge in the EU, 0% outside the EU).

The price shown here is an estimate: we convert from PLN using the National Bank of Poland's exchange rate and round up. Your invoice and any payment you make are always processed in PLN - your card issuer or bank handles the actual conversion, and may apply its own rate or fees.

A one-off license is granted for an indefinite period: the application works for as long as we run the service and the license server. You are buying a license to use the application, not ownership of it. Details: Terms of sale, § 9.

How buying works

  1. Choose a plan and click “Ask about buying”.
  2. I'll reply by email with payment instructions.
  3. Once your payment is posted, you'll get your license key and the installer link by email.
  4. Install the app, enter the key, and get to work.
  • VAT invoice
  • Access once paid
  • Support on business days

Screenshots

Real screenshots from the app. Click to enlarge.

  • PriceSpark dashboard with tiles for watched products, good deals and alerts, and a list of the best deals

    Dashboard

    The key numbers, best deals, price changes and latest alerts as soon as you open the app.

  • Four PriceSpark summary tiles: watched products, good deals, below threshold and new alerts

    Summary tiles

    How many products you watch, how many good deals there are, what dropped below the threshold and how many new alerts you have.

  • Product list in PriceSpark with the best cost including delivery, 30-day price change and deal rating

    Watched products

    Every product with its best real cost, 30-day price change, deal rating and threshold.

  • PriceSpark product table with colored deal rating badges and the cost of buying with delivery

    Deal ratings

    Badges such as “Great deal” or “Overpriced” come from the price history, not from the shop’s slogans.

  • Product details in PriceSpark with the best cost, a price threshold and a table of offers from many shops

    Offers from every shop

    The same product in many shops — price, cost with delivery, availability and check date in one table.

  • PriceSpark product card with the best cost, deal rating, 90-day lowest price and price threshold

    Best cost and threshold

    The best real cost, deal rating and 90-day lowest price, with your notification threshold beside them.

  • Product history tab in PriceSpark with a price chart, an average line and a price threshold line

    Product price history

    A chart of the best cost with threshold and average lines — you can see at once whether the price is a deal.

  • One-year price history in PriceSpark: a chart of the best cost over 365 days, average, threshold and 90-day minimum

    A year of price history

    The best cost over a whole year — rises and drops, average and threshold on one chart.

  • PriceSpark line chart of a product’s cost over time, with average, price threshold and minimum price

    Price history chart

    A price drop against the average and threshold — a buying decision based on data.

  • List of PriceSpark price drop notifications with a details panel for the selected alert and a link to the offer

    Price notifications

    A drop to the threshold, a new minimum or a drop of a few percent — with price, threshold, and a link to the offer.

  • Flight search in PriceSpark with results from several sites in one table and the cheapest flight marked

    Cheap flights

    Several sites searched at once in a clean Chrome profile — the cheapest flight marked straight away.

  • PriceSpark flight results table with site, airline, times, stops and the price for the whole trip

    Flight results

    Prices for the whole trip (all passengers, there and back) — comparable across sites.

  • Accommodation search in PriceSpark: properties with guest ratings, price per night and the cost of the whole stay

    Stays

    Hotels and apartments from several sites in one table — cost of the stay, price per night and average rating.

  • Vacation package offers in PriceSpark with dates, board, hotel reviews and the price in total and per person

    Vacation packages

    Tour operator offers compared at once — total price and per person, dates, board and reviews.

  • Subscription comparison in PriceSpark with plan features, monthly cost and price per person

    Subscriptions

    The monthly cost for the number of people in your household and the price per person, with plan features.

  • Saved searches in PriceSpark with the cheapest offer, price change, threshold and monitoring status

    Monitored searches

    Saved searches checked every few hours — cheapest offer, price change and threshold.

  • PriceSpark settings with delivery country, currency, notifications and price monitoring frequency

    Region, currency and notifications

    Delivery country, currency, notifications and monitoring frequency in one place.

  • Markets and sources in PriceSpark: choice of countries and a list of shops and comparison sites to turn on or off

    Markets and offer sources

    You choose the countries and shops where the app looks for offers.

  • PriceSpark dashboard in a light color scheme with summary tiles, deals and the latest alerts

    Light scheme

    Ten color schemes, including light ones.

  • List of watched products in PriceSpark in a light scheme with colored deal rating badges

    Products in the light scheme

    The same clear list of deals in light colors.

Use cases

  • Buying electronics and appliances — finding the shop where the same model costs least with delivery
  • Judging a “sale” — whether the discount is real against the price history
  • Waiting for the right moment — a price threshold and a notification when the cost drops to it
  • Planning a trip — flights, stays, and vacation packages from many sites in one table
  • Reviewing household subscriptions — monthly cost and price per person
  • Shopping abroad — offers from Germany and the Czech Republic with the cost of delivery to Poland

Technical specifications

System
Windows 10 (from version 1903) and Windows 11
Browser
Google Chrome — for the PriceSpark extension and travel searches; you load the extension once, and a wizard in the app guides you step by step
Internet
Required at all times — without a connection to the license server, features lock after about 2–3 minutes and come back on their own
Installation
A single installer for one user, with no administrator rights and no extra programs to download
Interface language
Polish, English, German, French, Spanish, Italian
Markets
Poland, Germany, the Czech Republic, and further countries to choose from
License
A key with online activation, one computer; transfer from your customer account once every 30 days
Privacy
Products, price history, and settings stored locally — only license data and queries to shops are sent over the internet

Questions about PriceSpark

Does PriceSpark buy things for me?

No. PriceSpark finds offers, works out the cost and notifies you about price changes. You make the purchase yourself, in the shop of your choice.

How do you know it is the same product?

The app first compares unambiguous codes (EAN/GTIN, manufacturer code), then brand, model and variant, and only then names and specifications. Other variants, bundles and accessories are marked separately.

How often are prices checked?

By default every 6–12 hours for each monitored offer; you can set the range yourself in Settings.

Do I need to keep the browser open?

Background price checks work without the product page open. Some sites need a browser — the extension opens them in the background in a separate tab group and closes them after the check.

Does PriceSpark work without the internet?

No. PriceSpark requires a constant internet connection — it checks prices in shops, and the license is confirmed continuously. After about 2–3 minutes without a connection to the license server, features are locked and come back on their own once the connection is restored.

Does the app collect my data?

Your products, price history, and settings are stored locally on your computer. Only license data goes to the license server, and only queries about offers go to shops.

How do I install the Chrome extension?

Chrome does not let apps install extensions on their own, so you load the PriceSpark extension once, by hand. A wizard in the app guides you through each step and detects by itself when the extension has connected.

Which shops are supported?

Large shops, marketplaces and price comparison sites in Poland, Germany and the Czech Republic, as well as shops found through search engines. You turn shops and markets on and off in the settings.

How do I move the license to a new computer?

The license works on one computer. You can transfer it from your customer account on the website — no more than once every 30 days.

Which purchase options are available?

A prepaid monthly subscription — before the period ends you receive a payment link, with no automatic charges — or a one-off license, for an indefinite period while the service is running.

Full feature list

Shopping

  • Product recognition – unambiguous codes first (EAN/GTIN, manufacturer code), then brand, model and variant, and names and specifications last.
  • Find cheaper – the same product in shops, comparison sites, and marketplaces; other variants, bundles and accessories marked separately.
  • Real cost – price, delivery to your country, and currency converted at the current rate.
  • Deal rating – Great, Good, Average or Overpriced — against the minimum, average, and median from the history.
  • Markets and sources – Poland, Germany, the Czech Republic, and further countries to choose from; you turn shops and comparison sites on and off.

History and alerts

  • Price history – a chart of the best cost with average and threshold lines, plus statistics for 7, 30, 90, 180 and 365 days.
  • Background monitoring – by default every 6–12 hours for each monitored offer; you set the range yourself.
  • Alerts – a drop to the threshold, a new minimum and a drop of a few percent — a notification in Windows and in Chrome.
  • Dashboard – watched products, good deals, products below the threshold and 30-day price changes on one screen.

Travel and subscriptions

  • Flights – results from several sites in one table, with filters for stops, baggage and airlines.
  • Stays – hotels and apartments with guest ratings, the price for the whole stay and filters (stars, board, free cancellation).
  • Vacation packages – tour operator offers with dates, board and the price for your party.
  • Subscriptions – more than 40 services with the price per month and promotion information.
  • My searches – saved searches with a threshold, checked automatically every few hours.
  • Search privacy – every travel search in a new, empty Chrome profile.

Everyday use

  • Appearance – dark and light look, 10 color schemes.
  • Interface languages – Polish, English, German, French, Spanish and Italian.
  • Keyboard – Ctrl+1…9 — sections, Ctrl+F — search, F5 — refresh; lists sorted with one click.
  • Backups – with one click, automatic as well.

About the application

PriceSpark watches the product, not a single web address. Open a product in Chrome, click the PriceSpark icon (or press Alt+Shift+K) and choose “Find cheaper”. The app recognizes the exact product and variant — by EAN code, manufacturer code, brand, model, and specifications — and looks for it in shops, price comparison sites, and marketplaces. Identical offers are kept apart from other variants, bundles and accessories.

How it works

  1. Open a product in Chrome and click the PriceSpark icon. The app recognizes the product and variant.
  2. “Find cheaper”. PriceSpark shows the lowest real cost — the price with delivery to your country, with currency converted at the current rate.
  3. Monitor and wait for the right moment. Prices are checked in the background, the app builds a history and notifies you when the cost drops to your threshold.

Deal rating

The deal engine compares today’s price with the product’s history — minimum, average, and median — instead of trusting “sale” and “−50%” labels. Every product gets a rating: Great, Good, Average or Overpriced.

Travel and subscriptions

Search flights, stays, and vacation packages across several sites at once, with results in a single table and the cheapest offer highlighted. Every travel search runs in a new, empty Chrome profile — sites cannot see your history. The subscriptions module compares more than 40 services (streaming, music, audiobooks, cloud storage, VPN, password managers, games, AI tools) with the price shown per month.

Chrome extension

Chrome does not let apps install extensions on their own, so you load the PriceSpark extension once, by hand — a wizard in the app guides you through each step and detects by itself when the extension has connected.

Shop, service and product names are trademarks of their owners and are used for information only; PriceSpark is not affiliated with the services mentioned. Screenshots show sample data.

Want to see the app in action? Let’s talk.

Free consultation