# eCall Pro vs SRF Diagnosis

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.

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.

## The numbers

| Metric | eCall Pro | SRF Diagnosis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 9 MB | 1 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Otis Elevator Company](https://appshunter.io/developer/992577451) | [BERNSTEIN AG](https://appshunter.io/developer/731893093) |

## What reviewers say

### eCall Pro

[App page](https://appshunter.io/ios/app/ecall-pro/id1561992694)

**In-app purchases:** none


### SRF Diagnosis

[App page](https://appshunter.io/ios/app/srf-diagnosis/id1583956869)

**In-app purchases:** none


## Frequently asked questions

### Is eCall Pro free?

eCall Pro is free to download, with no in-app purchases.

### Is SRF Diagnosis free?

SRF Diagnosis is free to download, with no in-app purchases.

### Do eCall Pro or SRF Diagnosis have ads?

Neither eCall Pro nor SRF Diagnosis shows ads.

### Which is updated more often, eCall Pro or SRF Diagnosis?

eCall Pro ships an update every 3 months, and SRF Diagnosis every 3 months. Most recently, eCall Pro was updated on October 27, 2026 and SRF Diagnosis on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*