Comparison

Stone Identifier vs Comeclass

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

Head to head
About

Stone Identifier

Instantly identify rocks, stones, gems, and crystals by taking a photo or uploading an image. Get accurate results in seconds with a rich database and user-friendly interface. Perfect for both geologists and enthusiasts.

Highlights
  • Identify Rocks, Gems, and Crystals
  • Accurate identification results
  • Fast and convenient tool
  • Extensive learning database
  • User-friendly interface
  • Record geological findings
Features
Read full description

Rock Identifier app will help you to identify the most common Rocks, Stones, Gems & Crystals - just take a photo or download from the gallery and get the result in a couple of seconds. It doesn't matter who you are - a geologist or just an amateur seeker - this app is suitable for absolutely everyone. If you want to get the necessary and accurate information about stones, crystals and gems in the most convenient way for you, then this is exactly what you were looking for. Rock Identifier app features: - Identification of Rocks, Gems and Crystals - Accurate results of identification. - Convinient and fast tool which is always at hand. - Rich learning database of Rocks, Gems & Crystals. - Beautiful & user-friendly interface. - Possibility to record your geological findings and observations. Terms of Use: https://appslabs.org/terms-of-service/ Privacy Policy: https://appslabs.org/privacy-policy/

About

Comeclass

Features
Read full description

Simplify school operations, reduce manual paperwork, and ensure student dismissals with ComeClass, the perfect school attendance management solution. ComeClass is a solution for school owners, principals, administrators and teachers that replaces slow and error-prone paper registers with high-speed, contactless NFC scanning technology. Track students, check-in and check-out students in the morning and at closing time, all from your mobile device. KEY FEATURES: Contactless NFC Attendance Tracking: Streamline morning attendance and reduce queues at the school gate. Staff can mark students present in a split second with a simple tap of an NFC student card or tag. The bottom-sheet flow processes data instantly, securely on the back-end, and gives visual feedback. Secure Parent OTP Student Checkout: A two factor authentication system to ensure that students are not collected by unauthorized individuals during dismissal periods. Staff scan the student's NFC tag first, then enter a unique, parent-provided pickup code (OTP) to safely release the student. No OTP, no collection. Onboard students efficiently with Instant Tag Registration & Management. Provision, update and pair new NFC smart cards or key fobs with individual student profiles instantly inside the app. Live Scanned Students View: Keep an active, real-time log of all students checked in or out for any active session. NFC Test Page: Easily test your device's hardware. Onboarding during school, use the built-in diagnostic testing page to guarantee 100% compatibility with your deployment tags. MAXIMUM CHILD SAFETY & SECURITY Safety of children is a prime concern in modern schools. We have a two factor verification system, meaning that students are only given to verified parents or authorised guardians. ComeClass validates a unique pickup code in addition to an NFC scan, which helps to prevent liability for your school and keep all children home safely. Download ComeClass today and enjoy safer, smarter and faster school attendance management.

Screenshots

Stone Identifier4 screens
Comeclass4 screens

Verdict

The call

The clearest difference is in-app purchases: Comeclass at none against Stone Identifier's 10. Comeclass also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). On price 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

Both are free to download. Stone Identifier sells 10 in-app purchases, starting at $2.99 per 7 days. Comeclass asks for nothing beyond the download.

UpkeepUpdate frequency

Stone Identifier ships an update every 3 months, Comeclass every 3 weeks. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

Scorecard4 real differences · 6 level
Stone Identifier versus Comeclass: the parameters behind the verdict, then further details
ParameterStone IdentifierComeclass
PriceFreeFree
Rating4.3 (1.1K ratings) — better—
Positive reviews23.0% of reviews—
Number of ratings1.1K — better—
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.615.0 — better
Further details — not scored
Size64 MB29 MB
Age rating4+4+
DeveloperApps LabsStark Logic Limited

Bugs and requests

Stone Identifier

Reported bugs

2 issues
  • Misidentifies known mineral samples
  • Provides incorrect or confusing results

Requested features

4 requests
  • Expand free scan limit
  • Improve accuracy and precision
  • Add history/save feature
  • Enhance identification for rare/mixed gems

Comeclass

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Stone Identifier

Subscriptions10
  • Rock Identifier3 Days trial$2.997 Days
  • Rock ID$2.997 Days
  • Rock Identifier3 Days trial$6.997 Days
Show 7 more
  • Rock ID$6.997 Days
  • Sale annual subscription$9.991 Year
  • Rock Identifier$9.991 Month
  • Stone ID$14.991 Month
  • Stone Identifier$19.991 Year
  • Rock ID$19.991 Year
  • Stone Identifier$39.991 Year
None

Comeclass

No in-app purchases

Questions

Is Stone Identifier free?
Stone Identifier is free to download, with in-app purchases available.
Is Comeclass free?
Comeclass is free to download, with no in-app purchases.
Do Stone Identifier or Comeclass have ads?
Stone Identifier shows ads; Comeclass does not.
Which is updated more often, Stone Identifier or Comeclass?
Stone Identifier ships an update every 3 months, and Comeclass every 3 weeks. Most recently, Stone Identifier was updated on October 12, 2026 and Comeclass on October 10, 2026.

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