# Source vs Linear Algebra

The clearest difference is update cadence: Linear Algebra at every 2 days against Source's every 3 weeks. Source's advantage is iOS requirement (15.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Source sells 4 in-app purchases, starting at $24.99 per month and Linear Algebra sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Source ships an update every 3 weeks, Linear Algebra every 2 days. Both last shipped on October 14, 2026.

## The numbers

| Metric | Source | Linear Algebra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 313 MB | 21 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Super Real Inc](https://appshunter.io/developer/1891188531) | [Mohammed Yussif](https://appshunter.io/developer/1873447146) |

## What reviewers say

### Source

[App page](https://appshunter.io/ios/app/source-find-yourself/id6761737790)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Committed Membership | $24.99 | per month |
| Committed Membership (3-months) | $69.99 | per 3 months |
| Committed Membership (6 months) | $125.99 | per 6 months |
| Committed Membership (1-year) | $229.00 | per year |


### Linear Algebra

[App page](https://appshunter.io/ios/app/linear-algebra-matrixviz/id6791628348)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MatrixViz Pro Lifetime | $44.99 | one-time |


## Frequently asked questions

### Is Source free?

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

### Is Linear Algebra free?

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

### Do Source or Linear Algebra have ads?

Neither Source nor Linear Algebra shows ads.

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

Source ships an update every 3 weeks, and Linear Algebra every 2 days. Most recently, Source was updated on October 14, 2026 and Linear Algebra on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*