# Math Racing 2 Pro vs Gem Identifier & Rock ID

The clearest difference is price: Gem Identifier & Rock ID at Free against Math Racing 2 Pro's $2.99. Gem Identifier & Rock ID also leads on update cadence (monthly vs every 5 months). Math Racing 2 Pro's advantage is in-app purchases (none vs 5) and ads (none vs shown). On rating there is nothing between them.

Gem Identifier & Rock ID is free to download; Math Racing 2 Pro costs $2.99 up front. Gem Identifier & Rock ID sells 5 in-app purchases, starting at $6.99 per 7 days. Math Racing 2 Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for Math Racing 2 Pro against 4.4 for Gem Identifier & Rock ID. That said, the two scores are not equally well evidenced: Math Racing 2 Pro has 341 ratings behind it against 24, so its average is the more settled of the two.

Math Racing 2 Pro ships an update every 5 months, Gem Identifier & Rock ID monthly. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Math Racing 2 Pro | Gem Identifier & Rock ID |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.5 (341 ratings)](https://appshunter.io/ios/app/math-racing-2-pro/id1208025241/reviews)** | [4.4 (24 ratings)](https://appshunter.io/ios/app/gem-identifier-and-rock-id/id6748907151/reviews) |
| Number of ratings | **341** | 24 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 397 MB | 36 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pants on the Ground Apps LLC](https://appshunter.io/developer/429851940) | [Innotent LTD](https://appshunter.io/developer/1695717745) |

## What reviewers say

### Math Racing 2 Pro

[App page](https://appshunter.io/ios/app/math-racing-2-pro/id1208025241)

Engage in a thrilling 3D racing game where solving math problems accelerates your vehicle. Master various arithmetic and number sense skills through fast-paced gameplay with multiple cars and tracks.

**Highlights:** Solve math problems for speed boosts, Learn addition, subtraction, multiplication, division, Practice place value, percentages, rounding, Compete on 5 awesome tracks, Unlock 13 cool cars, Progressive difficulty options, No ads

**Features:** macOS Compatibility

**In-app purchases:** none


### Gem Identifier & Rock ID

[App page](https://appshunter.io/ios/app/gem-identifier-and-rock-id/id6748907151)

Identify rocks, gems, and crystals instantly by taking a photo. Access a comprehensive database with detailed information and authenticate precious stones. Includes a built-in metal detector for further analysis.

**Highlights:** Instant stone identification via photo, Comprehensive stone database, Gem authentication tool, Built-in metal detector, AI recognition technology

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Yearly | $19.99 | per year |
| Yearly, 3 Days Free Trial | $29.99 | per year |
| Yearly | $29.99 | per year |
| Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is Math Racing 2 Pro free?

Math Racing 2 Pro costs $2.99, with no in-app purchases.

### Is Gem Identifier & Rock ID free?

Gem Identifier & Rock ID is free to download, with in-app purchases available.

### Which has better reviews, Math Racing 2 Pro or Gem Identifier & Rock ID?

Math Racing 2 Pro is rated higher. Math Racing 2 Pro averages 4.5 out of 5 from 341 ratings, while Gem Identifier & Rock ID averages 4.4 from 24 ratings.

### Do Math Racing 2 Pro or Gem Identifier & Rock ID have ads?

Gem Identifier & Rock ID shows ads; Math Racing 2 Pro does not.

### Which is updated more often, Math Racing 2 Pro or Gem Identifier & Rock ID?

Math Racing 2 Pro ships an update every 5 months, and Gem Identifier & Rock ID monthly. Most recently, Math Racing 2 Pro was updated on November 2, 2026 and Gem Identifier & Rock ID on November 5, 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.*