# WattSpy EPEX Spot Market Rates > European EPEX Spot Market electricity prices for dynamic contract optimization. (iPhone/iPad app by Tom Van Laerhoven.) - Source: https://appshunter.io/ios/app/wattspy-epex-spot-market-rates/id6743813617 (this page in markdown: same URL + `.md`) - Developer: [Tom Van Laerhoven](https://appshunter.io/developer/1804723431) - Category: Utilities, Productivity - Price: $1.99 - Age rating: 4+ - Requires: iOS 16.0 · 34 MB - Languages: American English - Released: 2025-04-12 - Data updated: 2026-08-27 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/wattspy-epex-spot-market-rates/id6743813617/reviews.md ## What is WattSpy EPEX Spot Market Rates? WattSpy gives you access to the European EPEX Spot Market, where electricity prices for each hour or quarter-hour of the day are established. If you have an energy contract with dynamic pricing, you can optimize your electricity usage by adjusting your electricity consumption patterns based on the price fluctuations. Here's how: - Shift High Consumption Activities: reduce energy costs by scheduling energy-intensive activities (like EVs', washing machines, dishwashers, or electric heating) during hours when electricity prices are lower. - Use Home Automation: home automation systems or smart appliances can automatically adjust the timing of electricity usage based on the predicted lower-cost periods provided by the Epex-client. - Energy Storage: energy storage systems (like batteries) can store electricity during low-price hours and use it during peak-price hours. ## Key features - EPEX Spot Market access - Hourly and quarter-hourly pricing - Optimize electricity usage - Shift high consumption activities - Home automation integration - Energy storage management ## Recent user reviews (6 of 6) All indexed reviews: https://appshunter.io/ios/app/wattspy-epex-spot-market-rates/id6743813617/reviews.md ### 5/5 — Sehr gut! *2026-07-19* Sehr übersichtlich aufgebaute Charts, die App macht was sie soll. Sprachen sind einstellbar. Mitteilungen zum Zeitpunkt stark steigender oder fallender Preise wären toll! ### 5/5 — Fantastic Tool *2026-06-23* The only thing I miss is an alert function when the market rates hit a certain point (absolute or even better in % relative to the days average) ### 5/5 — Super *2026-03-28* Super, macht genau das, was ich gesucht habe… ### 5/5 — Ein gutes Tool … *2026-02-28* … wenn man einen dynamischen Stromtarif hat. Ich nutze die App schon ein paar Wochen. Zuerst habe ich nur interessehalber geschaut, was da so auf dem Strommarkt passiert. Mittlerweile nutze ich einen entsprechenden Tarif. Schön finde ich, dass man auch noch die vergangenen Preise dar letzten Monate anschauen kann und so ein Gefühl für die Dynamik bekommt. Interessant ist auch, dass man die Preise in Europa sehen kann und diese dann mit den deutschen Preisen vergleichen kann. Vorher hatte ich nur Apps für den dänischen Strommarkt um zu schauen, wie die Strompreisentwicklungen dort sind - nun ist alles in einer App. ### 5/5 — Perfekt *2026-02-28* Sehr gute App. Fein ist, dass man in einer hinterlegten Formel die Fixkosten des Stromlieferanten und den MwSt.-Satz angeben kann. So wird dann der „eigene“ kumulierte Brutto-Strompreis (inkl. Börsenpreis) ausgewiesen. Man kann das dann optional jederzeit ein-/ausschalten. Die App ist also ihren Preis wert. ### 3/5 — Ok but there is more possible *2025-11-07* It shows the data on screen however the widget is not working. For the current time and forecast no drill down function. Would be good to have a summary for next 6 -12 hours it’s best to consume . ## Frequently asked questions about WattSpy EPEX Spot Market Rates ### What is WattSpy EPEX Spot Market Rates? WattSpy EPEX Spot Market Rates provides access to real-time electricity prices from the European EPEX Spot Market. It helps users with dynamic pricing contracts optimize their energy consumption by showing hourly and quarter-hourly price fluctuations. ### How can WattSpy EPEX Spot Market Rates help me save money? By showing you when electricity prices are lowest, WattSpy enables you to shift energy-intensive activities like running appliances or charging electric vehicles to these off-peak hours, significantly reducing your energy bills. ### What devices does WattSpy EPEX Spot Market Rates support? WattSpy EPEX Spot Market Rates is available on iPhone and iPad devices. ### What is the age rating for WattSpy EPEX Spot Market Rates? The app has an age rating of 4+, making it suitable for a wide range of users. ### How often is WattSpy EPEX Spot Market Rates updated? The app was last updated on March 20, 2026, indicating ongoing development and support. ### Does WattSpy EPEX Spot Market Rates have ads? No, WattSpy EPEX Spot Market Rates does not contain advertisements. ### What is the price of WattSpy EPEX Spot Market Rates? WattSpy EPEX Spot Market Rates is a paid application, available for a one-time purchase of $1.99. ### Can WattSpy EPEX Spot Market Rates integrate with smart home devices? Yes, the app is designed to work with home automation systems and smart appliances, allowing them to automatically adjust electricity usage based on predicted lower-cost periods. ## Version history (last 5 releases) ### v2.2.0 — 2026-03-20 - Added error description and retry button - Improved date skip buttons - Added various user interface improvements ### v2.1.1 — 2026-03-10 - Fixed an issue where updating market data would sometimes result in an error. ### v2.1.0 — 2026-02-22 - Added tools sections with cost configuration. - Added collapsable daily summary card. - Revised translations & terminology. - Updated theme. ### v1.12.0 — 2025-11-08 - Fixed an issue where widgets with German market data would not show market data. - Enlarged font sizes in charts. - Added a price-scrubber in the Day Chart. ### 1.11.1 — 2025-10-27 - Added quarter-hourly electricity prices. ## Apps similar to WattSpy EPEX Spot Market Rates | App | Rating | Price | Category | | --- | --- | --- | --- | | [Watto](https://appshunter.io/ios/app/watto/id6462795022) | — | Free | Utilities | | [strom.dynamisch](https://appshunter.io/ios/app/stromdynamisch/id6742644882) | — | Free | Utilities | | [Utility Radar](https://appshunter.io/ios/app/utility-radar/id1600032828) | — | $2.99 | Utilities | | [EnergyPricing - Electricity](https://appshunter.io/ios/app/energypricing-electricity/id6748013332) | — | $1.99 | Utilities | --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*