# 摸鱼日常 vs Linear Algebra

The clearest difference is in-app purchases: 摸鱼日常 at none against Linear Algebra's 1. 摸鱼日常 also leads on update cadence (weekly vs monthly) and iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Linear Algebra sells 1 one-off in-app purchase. 摸鱼日常 asks for nothing beyond the download.

摸鱼日常 ships an update weekly, Linear Algebra monthly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 摸鱼日常 | Linear Algebra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Size | 25 MB | 73 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [香铭 于](https://appshunter.io/developer/1552663612) | [光浩 李](https://appshunter.io/developer/1576352133) |

## What reviewers say

### 摸鱼日常

[App page](https://appshunter.io/ios/app/id6476832182)

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

**In-app purchases:** none


### Linear Algebra

[App page](https://appshunter.io/ios/app/linear-algebra-matrix-solver/id6766080565)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $2.99 | one-time |


## Frequently asked questions

### Is 摸鱼日常 free?

摸鱼日常 is free to download, with no in-app purchases.

### Is Linear Algebra free?

Linear Algebra is free to download, with in-app purchases available.

### Do 摸鱼日常 or Linear Algebra have ads?

Neither 摸鱼日常 nor Linear Algebra shows ads.

### Which is updated more often, 摸鱼日常 or Linear Algebra?

摸鱼日常 ships an update weekly, and Linear Algebra monthly. Most recently, 摸鱼日常 was updated on November 8, 2026 and Linear Algebra 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.*