# Rossum Pager vs M91

The clearest difference is update cadence: M91 at every 9 days against Rossum Pager's every 2 months. Rossum Pager's advantage is iOS requirement (13.0 vs 15.1). 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.

Rossum Pager ships an update every 2 months, M91 every 9 days. The most recent releases landed on November 11, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Rossum Pager | M91 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Size | 7 MB | 30 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Rossum Oy](https://appshunter.io/developer/1319875222) | [Walkover Web Solutions Pvt. Ltd.](https://appshunter.io/developer/793737585) |

## What reviewers say

### Rossum Pager

[App page](https://appshunter.io/ios/app/rossum-pager/id1319875223)

**Features:** macOS Compatibility

**In-app purchases:** none


### M91

[App page](https://appshunter.io/ios/app/m91/id6759090472)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rossum Pager free?

Rossum Pager is free to download, with no in-app purchases.

### Is M91 free?

M91 is free to download, with no in-app purchases.

### Do Rossum Pager or M91 have ads?

Neither Rossum Pager nor M91 shows ads.

### Which is updated more often, Rossum Pager or M91?

Rossum Pager ships an update every 2 months, and M91 every 9 days. Most recently, Rossum Pager was updated on November 11, 2026 and M91 on November 9, 2026.

---

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