# M2M by SFS vs iBird Pro

The clearest difference is update cadence: M2M by SFS at every 5 weeks against iBird Pro's every 4 months. M2M by SFS also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

M2M by SFS ships an update every 5 weeks, iBird Pro every 4 months. The most recent releases landed on October 29, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | M2M by SFS | iBird Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Size | 37 MB | 20 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [SFS Gruppe](https://appshunter.io/developer/552361799) | [SFS Group Germany GmbH (DE)](https://appshunter.io/developer/1493970008) |

## What reviewers say

### M2M by SFS

[App page](https://appshunter.io/ios/app/m2m-by-sfs/id1336525644)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### iBird Pro

[App page](https://appshunter.io/ios/app/ibird-pro/id1493970009)

**In-app purchases:** none


## Frequently asked questions

### Is M2M by SFS free?

M2M by SFS is free to download, with no in-app purchases.

### Is iBird Pro free?

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

### Do M2M by SFS or iBird Pro have ads?

Neither M2M by SFS nor iBird Pro shows ads.

### Which is updated more often, M2M by SFS or iBird Pro?

M2M by SFS ships an update every 5 weeks, and iBird Pro every 4 months. Most recently, M2M by SFS was updated on October 29, 2026 and iBird Pro on October 2, 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.*