# Mastering SAT vs SAT Prep

The clearest difference is in-app purchases: Mastering SAT at none against SAT Prep's 3. Mastering SAT also leads on update cadence (every 10 days vs monthly) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. SAT Prep sells 3 in-app purchases, starting at $9.99 per month. Mastering SAT asks for nothing beyond the download.

Mastering SAT ships an update every 10 days, SAT Prep monthly. The most recent releases landed on May 31, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Mastering SAT | SAT Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Size | 30 MB | 23 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nathalie Saab](https://appshunter.io/developer/1894336292) | [Shanghai Xushu Information Technology Co., Ltd.](https://appshunter.io/developer/1733615663) |

## What reviewers say

### Mastering SAT

[App page](https://appshunter.io/ios/app/mastering-sat/id6762486396)

**Features:** macOS Compatibility

**In-app purchases:** none


### SAT Prep

[App page](https://appshunter.io/ios/app/sat-prep-practice-and-score/id6780398995)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SAT Prep Pro — Monthly | $9.99 | per month |
| SAT Prep Pro — 3 Months | $19.99 | per 3 months |
| SAT Prep Pro — Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Mastering SAT free?

Mastering SAT is free to download, with no in-app purchases.

### Is SAT Prep free?

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

### Do Mastering SAT or SAT Prep have ads?

Neither Mastering SAT nor SAT Prep shows ads.

### Which is updated more often, Mastering SAT or SAT Prep?

Mastering SAT ships an update every 10 days, and SAT Prep monthly. Most recently, Mastering SAT was updated on May 31, 2026 and SAT Prep on September 19, 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.*