# i vs Clés de forêt

The clearest difference is review sentiment: Clés de forêt at 75% against i's 43%. i's advantage is iOS requirement (10.0 vs 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 8 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | i | Clés de forêt |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 43.4% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | Every 8 months |
| Monetization | Free | Free |
| Size | 112 MB | 105 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BRGM](https://appshunter.io/developer/363120794) | [Office national des forets](https://appshunter.io/developer/448643917) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-infoterre/id363120791)

Access online geoscientific data with thematic map layers including subsurface information, water boreholes, and geological maps. Navigate using multitouch, GPS, or a commune directory.

**Highlights:** Online geoscientific data access, Thematic map layers, Subsurface dossiers, Water boreholes, Industrial sites, Geological maps

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

**In-app purchases:** none


### Clés de forêt

[App page](https://appshunter.io/ios/app/cles-de-foret/id448643914)

Learn to easily identify a selection of metropolitan tree and animal species with simplified identification keys. This app is designed to introduce users to recognizing flora and fauna, offering offline access to all features and content once downloaded. Engage in interactive modes like 'Enquête' and quizzes to earn points and unlock hidden content.

**Highlights:** Simplified identification keys, Offline access to content, Interactive 'Enquête' mode, Species list with filtering, Knowledge-testing quizzes, Unlockable secret mode, Progress tracking profile

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

**In-app purchases:** none


## Frequently asked questions

### Is i free?

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

### Is Clés de forêt free?

Clés de forêt is free to download, with no in-app purchases.

### Do i or Clés de forêt have ads?

Neither i nor Clés de forêt shows ads.

### Which is updated more often, i or Clés de forêt?

i ships an update every 8 months, and Clés de forêt every 8 months. Most recently, i was updated on October 29, 2026 and Clés de forêt on October 30, 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.*