S5 vs whatwatt
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
S5
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Easy and fast setup and control of your SikkertHjem S5-Touch alarm system. With the S5-Touch app installed on your iPhone®, you can easily setup your new alarm system and edit all settings of the system, directly from your smartphone. The S5-Touch app also works as a remote controller for the alarm system. Control the alarm no matter where you are in the world. The app works in English, Danish, Norwegian and Swedish. This app is used for S5-Touch alarm systems. Do you own a G5 alarm system, you should download the SikkertHjem G5 App instead.
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.
Screenshots
Verdict
The clearest difference is update cadence: whatwatt at every 2 weeks against S5's every 3 months. S5's advantage is iOS requirement (7.0 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.
S5 ships an update every 3 months, whatwatt every 2 weeks. The most recent releases landed on September 15, 2026 and September 16, 2026 respectively.
| Parameter | S5 | whatwatt |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 7.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 78 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | SikkertHjem ApS | whatwatt AG |
In-app purchases
S5
No in-app purchases
whatwatt
No in-app purchases
