# Mental arithmetic with MiCa vs Learn Java

The clearest difference is in-app purchases: Mental arithmetic with MiCa at none against Learn Java's 5. Mental arithmetic with MiCa also leads on iOS requirement (13.0 vs 16). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Learn Java sells 5 one-off in-app purchases. Mental arithmetic with MiCa asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 7, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Mental arithmetic with MiCa | Learn Java |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/learn-java-coding-and-quiz/id6757629118/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Freemium |
| Size | 41 MB | 57 MB |
| Requires iOS | **13.0** | 16 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sebastian Fox](https://appshunter.io/developer/447470917) | [Shoaib Bagwan](https://appshunter.io/developer/1193428077) |

## What reviewers say

### Mental arithmetic with MiCa

[App page](https://appshunter.io/ios/app/mental-arithmetic-with-mica/id1513892399)

**Features:** macOS Compatibility

**In-app purchases:** none


### Learn Java

[App page](https://appshunter.io/ios/app/learn-java-coding-and-quiz/id6757629118)

Master Java programming with structured lessons, interactive quizzes, and coding challenges. Prepare for interviews and build a strong foundation in computer science concepts. Ideal for beginners and aspiring developers.

**Highlights:** Structured Java lessons, Interactive quizzes, Coding practice challenges, Interview preparation, Progress tracking, Daily practice

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Limited Offer Access | $4.99 | one-time |
| Special Premium Access | $4.99 | one-time |
| Welcome Lifetime Access | $5.99 | one-time |
| Lifetime Premium Access | $9.99 | one-time |
| Lifetime Premium Access | $19.99 | one-time |


## Frequently asked questions

### Is Mental arithmetic with MiCa free?

Mental arithmetic with MiCa is free to download, with no in-app purchases.

### Is Learn Java free?

Learn Java is free to download, with in-app purchases available.

### Do Mental arithmetic with MiCa or Learn Java have ads?

Neither Mental arithmetic with MiCa nor Learn Java shows ads.

### Which is updated more often, Mental arithmetic with MiCa or Learn Java?

Mental arithmetic with MiCa ships an update every 3 weeks, and Learn Java every 3 weeks. Most recently, Mental arithmetic with MiCa was updated on October 7, 2026 and Learn Java on September 27, 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.*