smartctr vs Witness Angel
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
smartctr
This app provides intelligent remote control for pickup truck roller shutters and carriage LED lights. It enables automatic switching of these features for convenient operation.
- Remote control for roller shutters
- Automatic roller shutter switch
- Control carriage LED lights
- Automatic LED light switch
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Smartctr is an intelligent remote control app that controls the roller shutter equipment of pickup truck. It can control the automatic switch of roller shutter and the automatic switch of LED light in the carriage
Witness Angel
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This application allows the user to create an "authenticator" - a digital identity and its secure keychain - to interact with the WitnessAngel ecosystem. This identity can be published, so that Witness Angel devices retrieve it to secure their recordings. The application also allows the user to accept/reject authorization requests, emitted when someone needs to decrypt recordings for judicial processes.
Screenshots
Verdict
The clearest difference is update cadence: smartctr at every 2 months against Witness Angel's every 11 months. Witness Angel's advantage is iOS requirement (12.0 vs 15.0). 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.
smartctr ships an update every 2 months, Witness Angel every 11 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.
| Parameter | smartctr | Witness Angel |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (12 ratings) — better | — |
| Positive reviews | 25.0% of reviews | — |
| Number of ratings | 12 — better | — |
| Update frequency | Every 2 months — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 133 MB |
| Age rating | 4+ | 4+ |
| Developer | 爽 余 | Pascal Chambon |
In-app purchases
smartctr
No in-app purchases
Witness Angel
No in-app purchases









