# 日语蓝宝书 vs Math24 Puzzles

The clearest difference is ads: Math24 Puzzles at none against 日语蓝宝书's shown. Math24 Puzzles also leads on update cadence (every 2 days vs every 5 weeks). 日语蓝宝书's advantage is iOS requirement (14.0 vs 16.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 日语蓝宝书 sells 1 one-off in-app purchase and Math24 Puzzles sells 7 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

日语蓝宝书 ships an update every 5 weeks, Math24 Puzzles every 2 days. The most recent releases landed on September 16, 2026 and June 9, 2026 respectively.

## The numbers

| Metric | 日语蓝宝书 | Math24 Puzzles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/math24-puzzles/id6757363803/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Monetization | — | Free |
| Size | 28 MB | 14 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [盖粦 徐](https://appshunter.io/developer/1724030910) | [青青 胡](https://appshunter.io/developer/1866328401) |

## What reviewers say

### 日语蓝宝书

[App page](https://appshunter.io/ios/app/id6741700329)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 日语蓝宝书会员 | $2.99 | one-time |


### Math24 Puzzles

[App page](https://appshunter.io/ios/app/math24-puzzles/id6757363803)

This app offers a comprehensive brain training system based on the "24 Game," featuring over 1,300 levels with a 9-step difficulty progression. It includes an AI math coach to analyze thinking patterns and provide step-by-step solutions, with printable worksheets and audio mode for flexible learning.

**Highlights:** 1,362 curated levels, 9-step difficulty progression, AI math coach for personalized guidance, Logic insight and solution reconstruction, Printable PDF worksheets, Audio mode for progress announcements, Customizable hint limits

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $3.99 | per month |
| Quarterly Membership | $9.99 | per 3 months |
| Annual Membership | $29.99 | per year |
| 20 Hint Keys | $2.99 | one-time |
| 50 Hint Keys | $5.99 | one-time |
| 100 Hint Keys | $7.99 | one-time |
| Permanently unlock 1362 levels | $17.99 | one-time |


## Frequently asked questions

### Is 日语蓝宝书 free?

日语蓝宝书 is free to download, with in-app purchases available.

### Is Math24 Puzzles free?

Math24 Puzzles is free to download, with in-app purchases available.

### Do 日语蓝宝书 or Math24 Puzzles have ads?

日语蓝宝书 shows ads; Math24 Puzzles does not.

### Which is updated more often, 日语蓝宝书 or Math24 Puzzles?

日语蓝宝书 ships an update every 5 weeks, and Math24 Puzzles every 2 days. Most recently, 日语蓝宝书 was updated on September 16, 2026 and Math24 Puzzles on June 9, 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.*