# MrRock：Kids Stone Identifier vs Modern Split Minute™

The clearest difference is rating: Modern Split Minute™ at 5.0 against MrRock：Kids Stone Identifier's 4.3. Modern Split Minute™ also leads on in-app purchases (none vs 4) and iOS requirement (13.0 vs 18.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. MrRock：Kids Stone Identifier sells 4 one-off in-app purchases. Modern Split Minute™ asks for nothing beyond the download.

Modern Split Minute™ holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 4 and 3 respectively.

MrRock：Kids Stone Identifier ships an update every 3 weeks, Modern Split Minute™ every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | MrRock：Kids Stone Identifier | Modern Split Minute™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (4 ratings)](https://appshunter.io/ios/app/mrrockkids-stone-identifier/id6762290966/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/modern-split-minute/id6777405442/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 128 MB | 2 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Zhuoben Tech](https://appshunter.io/developer/6785532360) | [Modern Split, LLC](https://appshunter.io/developer/6777405444) |

## What reviewers say

### MrRock：Kids Stone Identifier

[App page](https://appshunter.io/ios/app/mrrockkids-stone-identifier/id6762290966)

Instantly identify rocks, gems, and fossils with this offline app. Designed for kids aged 8-15, it provides easy facts about formations and locations. Build your collection and earn badges for your discoveries.

**Highlights:** Instant offline identification, Kid-friendly facts and explanations, Build and save rock collections, Unlock achievement badges, Works 100% offline, COPPA-compliant and private

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Scans Pack | $0.99 | one-time |
| 20 Scans Pack | $2.99 | one-time |
| DrRock Lifetime | $15.99 | one-time |
| DrRock Lifetime | $27.99 | one-time |


### Modern Split Minute™

[App page](https://appshunter.io/ios/app/modern-split-minute/id6777405442)

Daily actionable tips for family law firms to enhance client experience. Improve communication, build trust, and foster referrals with quick, easy-to-implement strategies. Designed for busy legal professionals.

**Highlights:** Daily client experience tips, Actionable ideas for family law firms, Bite-sized learning for legal teams, Strategies to improve client satisfaction, Focus on client journey moments, Regular content updates

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

**In-app purchases:** none


## Frequently asked questions

### Is MrRock：Kids Stone Identifier free?

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

### Is Modern Split Minute™ free?

Modern Split Minute™ is free to download, with no in-app purchases.

### Which has better reviews, MrRock：Kids Stone Identifier or Modern Split Minute™?

Modern Split Minute™ is rated higher. MrRock：Kids Stone Identifier averages 4.3 out of 5 from 4 ratings, while Modern Split Minute™ averages 5.0 from 3 ratings.

### Do MrRock：Kids Stone Identifier or Modern Split Minute™ have ads?

Neither MrRock：Kids Stone Identifier nor Modern Split Minute™ shows ads.

### Which is updated more often, MrRock：Kids Stone Identifier or Modern Split Minute™?

MrRock：Kids Stone Identifier ships an update every 3 weeks, and Modern Split Minute™ every 2 weeks. Most recently, MrRock：Kids Stone Identifier was updated on October 31, 2026 and Modern Split Minute™ on October 31, 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.*