High confidence · Latest 60 of 121 total reviews analyzed · Based on 121 reviews. Signal may be noisy.

Frustrated

Recent user voice shows a frustrated sentiment. Users appreciate the core identification feature provides quick results for users who capture clear, high-quality photographs, but report inaccurate identification results across multiple attempts on the same specimen frustrate users seeking reliable data and aggressive paywall mechanics and subscription traps prevent users from testing the core functionality effectively.

Rating: 4.3

Reviews: 121

Confidence: high

How did the latest release land?

Overall
4.3/ 5
(9.9K)
Current version
4.4/ 5
+0.1 vs overall
(2.9K)
Main signal post-update: the core identification feature provides quick results for users who capture clear, high-quality photographs.

Sentiment over time

Weekly average rating and review volume across stores, last 90 days.

How have ratings & review volume moved?

Rating, review sentiment, and total reviews over time, with release markers showing the post-launch impact.

Rating over time

Vertical markers = app releases. Hover any release for the post-release impact delta.

Review themes

Praise

What users love

  • The core identification feature provides quick results for users who capture clear, high-quality photographs
    • Users report successful identification when lighting and image clarity are optimal
    • Some players find the app informative and quick to use for rock classification
Complaint

Common complaints

  • Inaccurate identification results across multiple attempts on the same specimen frustrate users seeking reliable data
    • Multiple users report receiving different, incorrect identifications for the same rock in consecutive tests
    • The identification engine fails to recognize common stones like diamonds or tiger eye
  • Aggressive paywall mechanics and subscription traps prevent users from testing the core functionality effectively
    • Users report being charged for annual subscriptions immediately after starting a trial
    • The app blocks camera access with persistent premium upgrade prompts during the identification process

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Rock ID - Stone Identifier, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Data licensed under CC-BY-NC 4.0