# Ma Rivière et Moi vs SUMARiS

The clearest difference is update cadence: SUMARiS at fortnightly against Ma Rivière et Moi's every 3 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.

Ma Rivière et Moi ships an update every 3 months, SUMARiS fortnightly. The most recent releases landed on October 29, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Ma Rivière et Moi | SUMARiS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 39 MB | 55 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [EDF](https://appshunter.io/developer/401110261) | [Environmental Information Systems](https://appshunter.io/developer/1471028017) |

## What reviewers say

### Ma Rivière et Moi

[App page](https://appshunter.io/ios/app/ma-riviere-et-moi/id1524259896)

This application helps users enjoy water activities like fishing and canoeing safely around hydroelectric facilities. It provides information on dam locations, operational status, restricted zones, and activity suitability based on water levels. Users can also subscribe to notifications for exceptional maneuvers and report issues.

**Highlights:** Hydroelectric facility locations, Operational status alerts, Safety zone information, Activity suitability based on water levels, Customizable notifications, Report abnormal situations

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

**In-app purchases:** none


### SUMARiS

[App page](https://appshunter.io/ios/app/sumaris/id6736747523)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ma Rivière et Moi free?

Ma Rivière et Moi is free to download, with no in-app purchases.

### Is SUMARiS free?

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

### Do Ma Rivière et Moi or SUMARiS have ads?

Neither Ma Rivière et Moi nor SUMARiS shows ads.

### Which is updated more often, Ma Rivière et Moi or SUMARiS?

Ma Rivière et Moi ships an update every 3 months, and SUMARiS fortnightly. Most recently, Ma Rivière et Moi was updated on October 29, 2026 and SUMARiS on September 18, 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.*