whatwatt vs EW Sennwald
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
whatwatt
This utility app is preparing for future enhancements. Developers are working on new functionalities that will be revealed soon.
- Future feature groundwork
- Upcoming enhancements
- Developer updates
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The app that allows you to install whatwatt Go on a compatible smart meter, receive smart meter data in real time and connect your smart meter to services. Made for Switzerland.
EW Sennwald
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Erhalten Sie volle Einsicht in Ihren Energiehaushalt und optimieren Sie Ihren Stromverbrauch. Was Ihnen die Elektrizitätswerk Sennwald Kundenportal-App bietet: Energiehaushalt: • Visualisierung von Stromverbrauch und -produktion • Energiebilanz der letzten Tage, Wochen, Monate und Jahre • Übersicht über Rechnungen Self-Service: • Persönliche Angaben schnell und einfach ändern • Zahlungsdaten und Rechnungsstellung verwalten • Stromzähler ablesen • Umzug melden • Direkt Kontakt aufnehmen Zusätzliche Funktionen: • Einfaches Login via Face oder Touch ID • Dark Mode mit dunkler Optik Hinweis: Die Elektrizitätswerk Sennwald Kundenportal-App steht ausschliesslich Kundinnen und Kunden von Elektrizitätswerk Sennwald zur Verfügung.
Screenshots
Verdict
The clearest difference is update cadence: whatwatt at every 2 weeks against EW Sennwald's every 3 months. EW Sennwald's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
whatwatt ships an update every 2 weeks, EW Sennwald every 3 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.
| Parameter | whatwatt | EW Sennwald |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 53 MB | 66 MB |
| Age rating | 4+ | 4+ |
| Developer | whatwatt AG | EVUlution AG |
In-app purchases
whatwatt
No in-app purchases
EW Sennwald
No in-app purchases
