# Stone Identifier vs Speed Multiplication Tables

The clearest difference is price: Stone Identifier at Free against Speed Multiplication Tables's $1.99. Stone Identifier also leads on update cadence (every 2 weeks vs every 3 months). Speed Multiplication Tables's advantage is in-app purchases (none vs 3). On review sentiment, ads, device support and iOS requirement there is nothing between them.

Stone Identifier is free to download; Speed Multiplication Tables costs $1.99 up front. Stone Identifier sells 3 in-app purchases, starting at $3.99 per 7 days. Speed Multiplication Tables asks for nothing beyond the download.

Stone Identifier ships an update every 2 weeks, Speed Multiplication Tables every 3 months. The most recent releases landed on October 22, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Stone Identifier | Speed Multiplication Tables |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.9 (27 ratings)](https://appshunter.io/ios/app/stone-identifier-gem-id/id6738606840/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 26 MB | 1 MB |
| Requires iOS | **16** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Umut Bozdag](https://appshunter.io/developer/1767232549) | [Griffin Teaching](https://appshunter.io/developer/1804637692) |

## What reviewers say

### Stone Identifier

[App page](https://appshunter.io/ios/app/stone-identifier-gem-id/id6738606840)

Instantly identify stones, gems, fossils, and minerals with an AI-powered scanner. Learn about their properties, origins, and even metaphysical uses. Build a personal collection of your discoveries.

**Highlights:** Instant AI stone identification, Detailed information on 4000+ stone types, Learn about formation, properties, and origins, Personal digital stone collection, Expert AI chat for stone inquiries, Ad-free premium experience

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stone ID - Pro - Weekly | $3.99 | per 7 days |
| Stone ID - Pro - Monthly | $9.99 | per month |
| Stone ID - Pro - Annual | $24.99 | per year |


### Speed Multiplication Tables

[App page](https://appshunter.io/ios/app/speed-multiplication-tables/id6743807284)

This educational game helps children quickly master multiplication tables through engaging, fast-paced rounds. Designed by educators, it uses a clock-face format to improve recall and build math confidence. Compete with friends on leaderboards for a fun, challenging learning experience.

**Highlights:** Quick-play rounds for rapid recall, Clock-face format for effective teaching, Leaderboard for competitive play, Designed by experienced teachers, No ads, subscriptions, or in-app purchases

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stone Identifier free?

Stone Identifier is free to download, with in-app purchases available.

### Is Speed Multiplication Tables free?

Speed Multiplication Tables costs $1.99, with no in-app purchases.

### Do Stone Identifier or Speed Multiplication Tables have ads?

Neither Stone Identifier nor Speed Multiplication Tables shows ads.

### Which is updated more often, Stone Identifier or Speed Multiplication Tables?

Stone Identifier ships an update every 2 weeks, and Speed Multiplication Tables every 3 months. Most recently, Stone Identifier was updated on October 22, 2026 and Speed Multiplication Tables on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*