Instant Math Cards vs Gem Identifier & Rock ID
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Instant Math Cards
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Instant Math Cards lets you sharpen your math skills anytime, anywhere! With a wide variety of subjects, these cards ensure you'll always be challenged and engaged. Perfect for young aspiring mathematicians, this app offers new levels every month to keep your learning experience fresh and exciting. Our new points system makes math fun and rewarding for any student. Features Include: -Instant level feedback to evaluate strengths and weaknesses -Leaderboards to compete with friends or globally -Daily challenges to give users a fresh daily competition to compete in https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Gem Identifier & Rock ID
Identify rocks, gems, and crystals instantly by taking a photo. Access a comprehensive database with detailed information and authenticate precious stones. Includes a built-in metal detector for further analysis.
- Instant stone identification via photo
- Comprehensive stone database
- Gem authentication tool
- Built-in metal detector
- AI recognition technology
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Gem Identifier - Discover the Hidden World of Stones Unlock the mysteries of every rock, gem, and crystal you encounter with our powerful identification app. Whether you're a geology enthusiast, collector, or simply curious about the stones around you, this app transforms your phone into a professional geological tool. Instant Stone Identification - Simply take a photo and get accurate identification results in seconds. Our advanced AI recognition technology helps you identify rocks, gems, crystals, and stones with remarkable precision. Comprehensive Stone Database - Access detailed information about thousands of stones including their formation, properties, historical significance, and metaphysical meanings. Learn fascinating facts that bring each specimen to life. Gem Authentication Tool - Verify the authenticity of your precious stones and gems. Our specialized feature helps you distinguish between natural stones and synthetic alternatives, giving you confidence in your collection. Built-in Metal Detector - Discover the magnetic properties of your stones using your device's magnetometer. This unique feature adds another layer of analysis to help you understand your specimens better. Perfect for rock hounds, jewelry enthusiasts, students, and anyone passionate about the natural world. Start your geological adventure today and become an expert stone identifier. Every stone has a story waiting to be discovered. Download now and transform the way you explore the fascinating world of minerals and gems. Terms of Use: https://innotent.io/rock-identifier-terms-of-use/ Privacy Policy: https://innotent.io/rock-identifier-privacy-policy/
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Verdict
The clearest difference is ads: Instant Math Cards at none against Gem Identifier & Rock ID's shown. On price, update cadence, in-app purchases and device support 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
Both are free to download. Instant Math Cards sells 1 one-off in-app purchase and Gem Identifier & Rock ID sells 5 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Instant Math Cards ships an update every 3 weeks, Gem Identifier & Rock ID monthly. Both last shipped on October 24, 2026.
| Parameter | Instant Math Cards | Gem Identifier & Rock ID |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.4 (24 ratings) — better |
| Number of ratings | — | 24 — better |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.5 | 16.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Jackson Dow | Innotent LTD |
In-app purchases
Instant Math Cards
- Premium Features Access$2.99
Gem Identifier & Rock ID
- Weekly$6.997 Days
- Yearly$19.991 Year
- Yearly, 3 Days Free Trial3 Days trial$29.991 Year
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- Yearly$29.991 Year
- Lifetime$14.99
Questions
Is Instant Math Cards free?
Is Gem Identifier & Rock ID free?
Do Instant Math Cards or Gem Identifier & Rock ID have ads?
Which is updated more often, Instant Math Cards or Gem Identifier & Rock ID?
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