# Linus vs PrepForge

The clearest difference is in-app purchases: PrepForge at none against Linus's 14. PrepForge also leads on ads (none vs shown). Linus's advantage is update cadence (every 11 days vs every 2 months) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Linus sells 14 in-app purchases, starting at $24.99 per 3 months. PrepForge asks for nothing beyond the download.

Linus ships an update every 11 days, PrepForge every 2 months. The most recent releases landed on October 14, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Linus | PrepForge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (759 ratings)](https://appshunter.io/ios/app/linus-digital-sat-prep/id6740494483/reviews)** | — |
| Number of ratings | **759** | — |
| Positive reviews | 68.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 11 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 93 MB | 3 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Linus Labs, Inc.](https://appshunter.io/developer/1790246412) | [Black Automations](https://appshunter.io/developer/1885419563) |

## 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


### PrepForge

[App page](https://appshunter.io/ios/app/prepforge-sat/id6762046596)

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

**In-app purchases:** none


## Frequently asked questions

### Is Linus free?

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

### Is PrepForge free?

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

### Do Linus or PrepForge have ads?

Linus shows ads; PrepForge does not.

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

Linus ships an update every 11 days, and PrepForge every 2 months. Most recently, Linus was updated on October 14, 2026 and PrepForge on October 18, 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.*