# Linear Algebra vs Lingoban

The clearest difference is in-app purchases: Linear Algebra at none against Lingoban's 5. Lingoban's advantage is ads (none vs shown) and update cadence (every 10 days vs every 6 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Lingoban sells 5 in-app purchases, starting at $9.00 per month. Linear Algebra asks for nothing beyond the download.

Linear Algebra ships an update every 6 weeks, Lingoban every 10 days. The most recent releases landed on October 1, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Linear Algebra | Lingoban |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 10 days** |
| Size | 8 MB | 57 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [Wonyoung Seo](https://appshunter.io/developer/1874742228) |

## What reviewers say

### Linear Algebra

[App page](https://appshunter.io/ios/app/linear-algebra-matrix-solver/id1660933354)

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

**In-app purchases:** none


### Lingoban

[App page](https://appshunter.io/ios/app/lingoban-learn-korean/id6765884686)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lingoban Pro | $9.00 | per month |
| Lingoban Pro | $89.00 | per year |
| 30 image credits | $4.00 | one-time |
| 100 image credits | $10.00 | one-time |
| 300 image credits | $25.00 | one-time |


## Frequently asked questions

### Is Linear Algebra free?

Linear Algebra is free to download, with no in-app purchases.

### Is Lingoban free?

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

### Do Linear Algebra or Lingoban have ads?

Linear Algebra shows ads; Lingoban does not.

### Which is updated more often, Linear Algebra or Lingoban?

Linear Algebra ships an update every 6 weeks, and Lingoban every 10 days. Most recently, Linear Algebra was updated on October 1, 2026 and Lingoban on October 15, 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.*