# SAT99 vs PrepifyMe

The clearest difference is in-app purchases: PrepifyMe at none against SAT99's 3. PrepifyMe also leads on iOS requirement (15.1 vs 18.0). SAT99's advantage is update cadence (daily vs weekly). On price, ads and device support there is nothing between them.

Both are free to download. SAT99 sells 3 in-app purchases, starting at $9.99 per 7 days. PrepifyMe asks for nothing beyond the download.

SAT99 ships an update daily, PrepifyMe weekly. Both last shipped on October 10, 2026.

## The numbers

| Metric | SAT99 | PrepifyMe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (10 ratings)](https://appshunter.io/ios/app/prepifyme/id6775796885/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Monetization | — | Free |
| Size | 29 MB | 36 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [The Jed Mahonis Group](https://appshunter.io/developer/534260260) | [PREPIFFY LLC](https://appshunter.io/developer/6775796887) |

## What reviewers say

### SAT99

[App page](https://appshunter.io/ios/app/sat99-sat-prep-and-practice/id6771427023)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $9.99 | per 7 days |
| Monthly | $29.99 | per month |
| Quarterly | $74.99 | per 3 months |


### PrepifyMe

[App page](https://appshunter.io/ios/app/prepifyme/id6775796885)

This app offers adaptive SAT preparation with personalized learning paths and daily quizzes. It uses gamification to keep users motivated and provides instant feedback to enhance learning. Progress is tracked across devices for a seamless experience.

**Highlights:** Adaptive learning path, Bite-sized daily quizzes, Gamified progress tracking, Instant feedback on answers, Cross-device synchronization, Topic mastery tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is SAT99 free?

SAT99 is free to download, with in-app purchases available.

### Is PrepifyMe free?

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

### Do SAT99 or PrepifyMe have ads?

Neither SAT99 nor PrepifyMe shows ads.

### Which is updated more often, SAT99 or PrepifyMe?

SAT99 ships an update daily, and PrepifyMe weekly. Most recently, SAT99 was updated on October 10, 2026 and PrepifyMe on October 10, 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.*