Stone Identifier vs STAFF (ST JEROME)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Identify Rocks, Gems, and Crystals
- Accurate identification results
- Fast and convenient tool
- Extensive learning database
- User-friendly interface
- Record geological findings
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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/
STAFF (ST JEROME)
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This application focuses on the needs of a teacher. The panel contains features to convey proper information between a teacher and a student, also having a smooth user experience and very attractive user interface.
Screenshots
Verdict
The clearest difference is in-app purchases: STAFF (ST JEROME) at none against Stone Identifier's 10. STAFF (ST JEROME) also leads on ads (none vs shown) and device support (3 vs 1). On price, update cadence 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
Both are free to download. Stone Identifier sells 10 in-app purchases, starting at $2.99 per 7 days. STAFF (ST JEROME) asks for nothing beyond the download.
Stone Identifier ships an update every 3 months, STAFF (ST JEROME) every 2 months. The most recent releases landed on October 20, 2026 and October 5, 2026 respectively.
| Parameter | Stone Identifier | STAFF (ST JEROME) |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (1.1K ratings) — better | — |
| Positive reviews | 23.0% of reviews | — |
| Number of ratings | 1.1K — better | — |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 64 MB | 186 MB |
| Age rating | 4+ | 4+ |
| Developer | Apps Labs | Suresh Choudhary |
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
STAFF (ST JEROME)
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Stone Identifier
- Rock Identifier3 Days trial$2.997 Days
- Rock ID$2.997 Days
- Rock Identifier3 Days trial$6.997 Days
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- 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
STAFF (ST JEROME)
No in-app purchases
Questions
Is Stone Identifier free?
Is STAFF (ST JEROME) free?
Do Stone Identifier or STAFF (ST JEROME) have ads?
Which is updated more often, Stone Identifier or STAFF (ST JEROME)?
Other comparisons
