Comparison

Brain Trainer. Math. Counting vs STONE IDENTIFIER gem & rock id

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

Head to head
About

Brain Trainer. Math. Counting

Enhance your mental math and logic skills with this engaging game. Solve equations presented in a visually appealing format, suitable for all ages from 4 years old to adults. Enjoy flexible difficulty and unlock new themes to make learning even more enjoyable.

Highlights
  • Mental calculation development
  • Logic game mechanics
  • Flexible difficulty settings
  • Themed content packs
  • Suitable for all ages
Features
Read full description

Develop your mental calculations skills with EQ math game! Here you will solve various equations given in a beautiful graphic form. It's fun for everyone - from 4 year olds to adults of any age. The game has flexible difficulty settings. Unlocking new theme packs makes EQ even more amusing. Try now!

About

STONE IDENTIFIER gem & rock id

Instantly identify rocks, minerals, and crystals with AI. Access a comprehensive database, find nearby mineral locations, and learn through educational content. Gamified features and sharing options enhance the discovery experience.

Highlights
  • Instant AI rock and mineral recognition
  • Comprehensive mineral database
  • Nearby mineral location finder
  • Educational geology content
  • Offline access to data
  • Achievement system for exploration
  • Share discoveries via PDF presentations
Features
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Turn your iPhone into a powerful rock and mineral identification tool. Simply snap a photo of any rock, mineral, or crystal, and our advanced AI will instantly analyze its characteristics, providing you with detailed information about its type, composition, and properties. Key Features: * Instant Rock & Mineral Recognition Get accurate identifications of rocks, minerals, and crystals through your camera or photo library using state-of-the-art AI technology. * Comprehensive Database Access detailed information about thousands of rocks and minerals, including physical properties, chemical composition, and geological significance. * Location Finder Discover the 5 nearest locations where you can find specific minerals and rocks in your area, complete with maps and directions. * Educational Content Learn about geological formations, mineral properties, and rock classifications through our extensive educational resources. * Offline Mode Store your favorite identifications and basic mineral data for offline access anytime, anywhere. 3 Uniqe features of our app: * Achievement Systems are designed to make exploration exciting and rewarding. Unlock unique badges and milestones as you progress, adding an extra layer of fun to your adventures. * Share Your Discoveries effortlessly by creating stunning PDF presentations. Showcase your findings with beautifully crafted visuals, perfect for sharing with friends, colleagues, or the wider community. * Compare Minerals and Stones with AI to uncover unique properties and patterns. Leverage cutting-edge technology to analyze, categorize, and learn about your findings in greater detail. Whether you're a serious collector, student, or just curious about the rocks you find on your outdoor adventures, our app helps you explore the fascinating world of geology right from your iPhone. Download now and start discovering the amazing variety of rocks and minerals in your area! Note: Location services must be enabled to access the mineral location finder feature. Some features may require an internet connection for full functionality. Some features of our app require a paid subscription, including Instant Rock & Mineral Recognition, Compare Minerals, and the Location Finder. Privacy Policy https://docs.google.com/document/d/1YvDdWzHwGmRrs_pMVSvfxBVatc1DOH9V4BcHKXABMCc/edit?usp=sharing Terms of Use https://docs.google.com/document/d/1avecshvpF-q9BIsgHMmLdD-LYrmqlzTI7nY_8NhkZGM/edit?usp=sharing

Screenshots

Brain Trainer. Math. Counting3 screens
STONE IDENTIFIER gem & rock id4 screens

Verdict

The call

Brain Trainer. Math. Counting and STONE IDENTIFIER gem & rock id both sit at 4.5 stars, but that hides the real split: 83% of Brain Trainer. Math. Counting's written reviews are positive against 0% of STONE IDENTIFIER gem & rock id's. Brain Trainer. Math. Counting also leads on ads (none vs shown) and update cadence (every 11 days vs every 3 weeks). STONE IDENTIFIER gem & rock id's advantage is ratings volume (69 vs 8). On price, rating, in-app purchases and monetization model 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

Both are free to download. Brain Trainer. Math. Counting sells 1 in-app purchase, starting at $0.99 per 7 days and STONE IDENTIFIER gem & rock id sells 6 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Brain Trainer. Math. Counting against 4.4 for STONE IDENTIFIER gem & rock id. That said, the two scores are not equally well evidenced: STONE IDENTIFIER gem & rock id has 69 ratings behind it against 8, so its average is the more settled of the two. Written reviews are what separate them: 83% of Brain Trainer. Math. Counting's written reviews are positive against 0% of STONE IDENTIFIER gem & rock id's.

UpkeepUpdate frequency

Brain Trainer. Math. Counting ships an update every 11 days, STONE IDENTIFIER gem & rock id every 3 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
Brain Trainer. Math. Counting versus STONE IDENTIFIER gem & rock id: the parameters behind the verdict, then further details
ParameterBrain Trainer. Math. CountingSTONE IDENTIFIER gem & rock id
PriceFreeFree
Rating4.5 (8 ratings) — better4.4 (69 ratings)
Positive reviews83.3% of reviews — better0.0% of reviews
Number of ratings869 — better
Update frequencyEvery 11 days — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0.0 — better17.0
Further details — not scored
Size81 MB129 MB
Age rating4+4+
DeveloperSirvard ManukyanRex Tech Ltd

Customer experience

Brain Trainer. Math. Counting

All ratings8 ratings
Positive87.5%
Neutral0.0%
Negative12.5%
Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

STONE IDENTIFIER gem & rock id

All ratings67 ratings
Positive82.1%
Neutral7.5%
Negative10.4%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

1 purchases

Brain Trainer. Math. Counting

Subscriptions1
  • EQ PRO3 Days trial$0.997 Days
6 purchases

STONE IDENTIFIER gem & rock id

Subscriptions6
  • Pro Access for 1 Week$4.997 Days
  • Pro Access for 1 Week3 Days trial$4.997 Days
  • Pro Access for 1 Month$9.991 Month
Show 3 more
  • Pro Access for 1 Year3 Days trial$19.991 Year
  • Pro Access for 1 Year$19.991 Year
  • Pro Access for 1 Year$29.991 Year

Questions

Is Brain Trainer. Math. Counting free?
Brain Trainer. Math. Counting is free to download, with in-app purchases available.
Is STONE IDENTIFIER gem & rock id free?
STONE IDENTIFIER gem & rock id is free to download, with in-app purchases available.
Which has better reviews, Brain Trainer. Math. Counting or STONE IDENTIFIER gem & rock id?
Brain Trainer. Math. Counting is rated higher. Brain Trainer. Math. Counting averages 4.5 out of 5 from 8 ratings, while STONE IDENTIFIER gem & rock id averages 4.4 from 69 ratings.
Do Brain Trainer. Math. Counting or STONE IDENTIFIER gem & rock id have ads?
STONE IDENTIFIER gem & rock id shows ads; Brain Trainer. Math. Counting does not.
Which is updated more often, Brain Trainer. Math. Counting or STONE IDENTIFIER gem & rock id?
Brain Trainer. Math. Counting ships an update every 11 days, and STONE IDENTIFIER gem & rock id every 3 weeks. Most recently, Brain Trainer. Math. Counting was updated on October 24, 2026 and STONE IDENTIFIER gem & rock id on October 30, 2026.

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