# SAT Math vs Lœrn

The clearest difference is ads: SAT Math at none against Lœrn's shown. Lœrn's advantage is update cadence (weekly vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. SAT Math sells 1 one-off in-app purchase and Lœrn sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

SAT Math ships an update every 3 weeks, Lœrn weekly. The most recent releases landed on September 9, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | SAT Math | Lœrn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 13 MB | 40 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 9+ |
| Developer | [Webrich Software Limited](https://appshunter.io/developer/290203591) | [Benjamin Tobias Blankenhorn](https://appshunter.io/developer/1880369263) |

## What reviewers say

### SAT Math

[App page](https://appshunter.io/ios/app/sat-math-algebra-lite/id6479573681)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Question Bank | $9.99 | one-time |


### Lœrn

[App page](https://appshunter.io/ios/app/lrn/id6759726662)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lœrn Ad-Free Upgrade | $4.99 | one-time |


## Frequently asked questions

### Is SAT Math free?

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

### Is Lœrn free?

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

### Do SAT Math or Lœrn have ads?

Lœrn shows ads; SAT Math does not.

### Which is updated more often, SAT Math or Lœrn?

SAT Math ships an update every 3 weeks, and Lœrn weekly. Most recently, SAT Math was updated on September 9, 2026 and Lœrn on September 12, 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.*