eCall Pro vs SRF Diagnosis
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
eCall Pro
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TOUCHLESS DISPATCH Call an elevator cab for dispatch to a destination from your iOS device without touching anything outside or inside the cab! Receive an elevator assignment on your phone once the call is made.
SRF Diagnosis
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The SRF (Safety RFID) is a non-contact safety sensor, that monitors moveable safety guards, such as doors, flaps and hoods. The system provides a multitude of diagnostic data of each sensor, even in a series connection, to support smart production. With this app, the diagnostic data could be displayed via NFC technology on a smartphone comfortable, quickly and easily.
Screenshots
Verdict
The clearest difference is iOS requirement: SRF Diagnosis at 14.0 against eCall Pro's 16.0. On price, update cadence, ads and in-app purchases 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.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.
| Parameter | eCall Pro | SRF Diagnosis |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Otis Elevator Company | BERNSTEIN AG |
In-app purchases
eCall Pro
No in-app purchases
SRF Diagnosis
No in-app purchases
