# Little Digits vs Rock Identifier

The clearest difference is in-app purchases: Little Digits at none against Rock Identifier's 3. Rock Identifier's advantage is iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Rock Identifier sells 3 in-app purchases, starting at $4.99 per 7 days. Little Digits asks for nothing beyond the download.

## The numbers

| Metric | Little Digits | Rock Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Monetization | Free | — |
| Size | 2 MB | 37 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sean Biganski](https://appshunter.io/developer/1729702545) | [Keekly Tech Inc.](https://appshunter.io/developer/1803252792) |

## What reviewers say

### Little Digits

[App page](https://appshunter.io/ios/app/little-digits/id6744664786)

This app offers a fun and stress-free way for young children to practice early math skills. Through engaging mini-games and positive reinforcement, it helps build confidence in counting, addition, and subtraction for kindergarten through second graders.

**Highlights:** Counting and number recognition, Simple addition and subtraction, Kid-friendly design, No ads or distractions, Positive feedback, Randomized content

**Features:** macOS Compatibility

**In-app purchases:** none


### Rock Identifier

[App page](https://appshunter.io/ios/app/rock-identifier-rockquest/id6747198822)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $4.99 | per 7 days |
| Yearly Plan | $24.99 | per year |
| Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Little Digits free?

Little Digits is free to download, with no in-app purchases.

### Is Rock Identifier free?

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

### Do Little Digits or Rock Identifier have ads?

Neither Little Digits nor Rock Identifier shows ads.

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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.*