# Gem Identifier AI vs Les Detroits

The clearest difference is price: Gem Identifier AI at Free against Les Detroits's $0.99. Les Detroits's advantage is in-app purchases (none vs 2) and update cadence (fortnightly vs every 7 months). On ads and iOS requirement there is nothing between them.

Gem Identifier AI is free to download; Les Detroits costs $0.99 up front. Gem Identifier AI sells 2 in-app purchases, starting at $4.99 per 7 days. Les Detroits asks for nothing beyond the download.

Gem Identifier AI ships an update every 7 months, Les Detroits fortnightly. The most recent releases landed on November 4, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Gem Identifier AI | Les Detroits |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.1 (10 ratings)](https://appshunter.io/ios/app/gem-identifier-ai/id6553997060/reviews)** | — |
| Number of ratings | **10** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | Freemium | — |
| Size | 10 MB | 7 MB |
| Requires iOS | 16.2 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ahmet Kaan Kara](https://appshunter.io/developer/1642490834) | [Michel Garlandat](https://appshunter.io/developer/1092759498) |

## What reviewers say

### Gem Identifier AI

[App page](https://appshunter.io/ios/app/gem-identifier-ai/id6553997060)

Effortlessly identify gems and minerals using AI by uploading a photo. Get detailed information, historical context, and expert chat support. Connect with the fascinating world of gems through an intuitive and engaging interface.

**Highlights:** AI-powered gem identification, Detailed gem information and history, Expert AI chat support, User-friendly interface, Photo upload for identification

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Monthly Premium | $14.99 | per month |


### Les Detroits

[App page](https://appshunter.io/ios/app/les-detroits/id6762594201)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gem Identifier AI free?

Gem Identifier AI is free to download, with in-app purchases available.

### Is Les Detroits free?

Les Detroits costs $0.99, with no in-app purchases.

### Do Gem Identifier AI or Les Detroits have ads?

Neither Gem Identifier AI nor Les Detroits shows ads.

### Which is updated more often, Gem Identifier AI or Les Detroits?

Gem Identifier AI ships an update every 7 months, and Les Detroits fortnightly. Most recently, Gem Identifier AI was updated on November 4, 2026 and Les Detroits 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.*