# Linus vs PrepGo

The clearest difference is review sentiment: Linus at 68% against PrepGo's 23%. Linus also leads on rating (4.8 vs 4.3). PrepGo's advantage is ads (none vs shown). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Linus sells 14 in-app purchases, starting at $24.99 per 3 months and PrepGo sells 10 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

Linus holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 797 and 313 respectively. Written reviews point the same way: 68% of Linus's written reviews are positive against 23% of PrepGo's.

Linus ships an update every 11 days, PrepGo every 9 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Linus | PrepGo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (797 ratings)](https://appshunter.io/ios/app/linus-digital-sat-prep/id6740494483/reviews)** | [4.3 (313 ratings)](https://appshunter.io/ios/app/prepgo-ap-exam-prep/id6753966286/reviews) |
| Number of ratings | **797** | 313 |
| Positive reviews | **68.4% of reviews** | 22.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 11 days | **Every 9 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 93 MB | 84 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Linus Labs, Inc.](https://appshunter.io/developer/1790246412) | [StudyX Inc.](https://appshunter.io/developer/1571844481) |

## What reviewers say

### Linus

[App page](https://appshunter.io/ios/app/linus-digital-sat-prep/id6740494483)

This app offers a gamified approach to preparing for the new Digital SAT. It provides targeted practice for Math, Vocabulary, and Reading sections, with features like daily quests and progress tracking to make studying engaging and effective.

**Highlights:** Gamified learning with quests and streaks, Simulates Bluebook testing experience, Targeted Math, Vocabulary, and Reading practice, Smart study planner for bite-sized lessons, Instant feedback on answers, Progress tracking

**Features:** macOS Compatibility

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Quarterly | $24.99 | per 3 months |
| Turbo | $24.99 | per month |
| Turbo | $24.99 | per month |
| Premium Yearly | $49.99 | per year |
| Turbo Monthly | $99.00 | per month |
| Turbo Monthly | $100.00 | per month |
| Turbo | $149.99 | per year |
| Turbo | $149.99 | per year |
| Turbo | $150.00 | per month |
| Linus Premium | $249.00 | per 3 months |
| Turbo Yearly | $499.00 | per year |
| Turbo | $500.00 | per year |
| Turbo Yearly | $600.00 | per year |
| SAT Test Date Access | $79.00 | one-time |

**What reviewers like**

- 💪 Perfect app
- 👍 Nice game
- 👍 Enjoyable!
- 👍 Best SAT app
- 👍 Easily the BEST FREE SAT Resource out there!

**Requested features**

- Personalized practice
- Practice tests


### PrepGo

[App page](https://appshunter.io/ios/app/prepgo-ap-exam-prep/id6753966286)

Master AP exams with a gamified learning experience. Study guides, flashcards, and quizzes are presented in a fun, visual format to help you track progress and identify weak spots. Conquer your exams with expert-verified content and engaging practice questions.

**Highlights:** Expert-verified study guides, Gamified visual learning map, Daily streaks and energy system, Smart flashcards, AP-style quizzes, Progress tracking dashboard, Covers 30+ AP subjects

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PrepGo Plus Monthly | $19.99 | per month |
| PrepGo Plus Monthly | $29.99 | per month |
| PrepGo Plus Monthly | $29.99 | per month |
| PrepGo Plus Monthly | $49.99 | per month |
| PrepGo Plus Monthly | $49.99 | per month |
| PrepGo Plus Monthly | $49.99 | per month |
| PrepGo Plus 6-Month | $89.99 | per 6 months |
| PrepGo Plus Annual | $239.99 | per year |
| PrepGo Plus Annual | $239.99 | per year |
| PrepGo Plus Annual | $239.99 | per year |


## Frequently asked questions

### Is Linus free?

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

### Is PrepGo free?

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

### Which has better reviews, Linus or PrepGo?

Linus is rated higher. Linus averages 4.8 out of 5 from 797 ratings, while PrepGo averages 4.3 from 313 ratings.

### Do Linus or PrepGo have ads?

Linus shows ads; PrepGo does not.

### Which is updated more often, Linus or PrepGo?

Linus ships an update every 11 days, and PrepGo every 9 days. Most recently, Linus was updated on October 24, 2026 and PrepGo on October 28, 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.*