# Montereau+ vs Ermont

The clearest difference is update cadence: Montereau+ at every 3 months against Ermont's every 10 months. 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.

Montereau+ ships an update every 3 months, Ermont every 10 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | Montereau+ | Ermont |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 10 months |
| Size | 50 MB | 64 MB |
| Requires iOS | **13.0** | 13.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ville de Montereau-Fault-Yonne](https://appshunter.io/developer/1544955498) | [MAIRIE D'ERMONT](https://appshunter.io/developer/1605155699) |

## What reviewers say

### Montereau+

[App page](https://appshunter.io/ios/app/montereau-plus/id1544955496)

**In-app purchases:** none


### Ermont

[App page](https://appshunter.io/ios/app/ermont/id1605155697)

**In-app purchases:** none


## Frequently asked questions

### Is Montereau+ free?

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

### Is Ermont free?

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

### Do Montereau+ or Ermont have ads?

Both Montereau+ and Ermont show ads.

### Which is updated more often, Montereau+ or Ermont?

Montereau+ ships an update every 3 months, and Ermont every 10 months. Most recently, Montereau+ was updated on October 27, 2026 and Ermont on October 27, 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.*