Comparison

Gem Identifier AI vs Les Detroits

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Gem Identifier AI

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
Read full description

Unlock the secrets of the gem world with "Gem Identifier AI," your personal gemologist! Whether it's a dazzling diamond, a mysterious sapphire, or an unknown gem, our app makes gem identification effortless and informative. AI-Powered Identification: Simply upload a photo or snap a new one. Our advanced AI instantly recognizes the gem, providing accurate identification and detailed descriptions. In-Depth Gem Information: Learn about each gem’s properties, history, and uses. Our app provides comprehensive information that enhances your knowledge and appreciation of each gem. Expert Chat: Have questions about your gem? Chat with our AI expert to get personalized advice and insights, ensuring you understand and appreciate the gem’s uniqueness. User-Friendly Interface: Our app is designed to be easy to use, whether you're a gem enthusiast, a jeweler, or simply curious about gems. Identification and learning have never been more accessible. Whether you're a collector, a jeweler, a student, or just curious about the beautiful gems around you, our app is a must-have tool. It's not only about identification but also about connecting with the fascinating world of gems in an informed and engaging way. • Auto-renewable subscription • 1 week and 1 month durations • Your subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration selected) unless auto-renew is turned off at least 24 hours before the end of the current period. • Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your iTunes Account Settings after purchase • Terms Of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ • Privacy Policy: https://gist.github.com/ahmetkaankara/4f488bdd2ea7190f5c76327f3c4cedec

About

Les Detroits

Features
Read full description

From Gibraltar to Hormuz, from Malacca to the Bosphorus, and through the legendary Drake Passage, explore each strait in detail: location, width, length, depth, bordering countries and history. FEATURES: • 30 straits from around the world with complete profiles • Interactive world map — locate any strait with a tap • 20-question quiz to test your knowledge • Detailed cards: dimensions, countries, historical context • Fully bilingual French / English • Elegant interface optimised for iPhone Whether you love geography, navigation or maritime history, this app is your essential guide to the world's sea passages.

Screenshots

Gem Identifier AI4 screens
Les Detroits4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 5 level
Gem Identifier AI versus Les Detroits: the parameters behind the verdict, then further details
ParameterGem Identifier AILes Detroits
PriceFree — better$0.99
Rating3.1 (10 ratings) — better—
Number of ratings10 — better—
Update frequencyEvery 7 monthsFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.215.0 — better
Further details — not scored
Size10 MB7 MB
Age rating4+4+
DeveloperAhmet Kaan KaraMichel Garlandat

In-app purchases

2 purchases

Gem Identifier AI

Subscriptions2
  • Weekly Premium3 Days trial$4.997 Days
  • Monthly Premium$14.991 Month
None

Les Detroits

No in-app purchases

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.

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