# PerfectPrep vs Linus

The clearest difference is ads: PerfectPrep at none against Linus's shown. PerfectPrep also leads on iOS requirement (13.0 vs 15.1). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. PerfectPrep sells 8 in-app purchases, starting at $4.99 per 7 days and Linus sells 10 in-app purchases, starting at $24.99 per 3 months. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for PerfectPrep against 4.8 for Linus. Both are backed by a comparable volume of ratings — 878 and 798 respectively. Written reviews are what separate them: 67% of PerfectPrep's written reviews are positive against 68% of Linus's.

PerfectPrep ships an update fortnightly, Linus every 11 days. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | PerfectPrep | Linus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (878 ratings)](https://appshunter.io/ios/app/perfectprep-act-and-sat-prep/id1524653663/reviews) | **[4.8 (798 ratings)](https://appshunter.io/ios/app/linus-digital-sat-prep/id6740494483/reviews)** |
| Number of ratings | **878** | 798 |
| Positive reviews | 66.7% of reviews | **68.4% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 11 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 122 MB | 93 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mosaic S.r.l.](https://appshunter.io/developer/570748343) | [Linus Labs, Inc.](https://appshunter.io/developer/1790246412) |

## What reviewers say

### PerfectPrep

[App page](https://appshunter.io/ios/app/perfectprep-act-and-sat-prep/id1524653663)

Prepare for standardized college entrance exams with a personalized study plan, practice tests, and detailed explanations. Track your progress, review concepts with flashcards, and access video lessons to boost your score. Get expert tips and predictions to ace your ACT or SAT.

**Highlights:** Personalized study plans, Subject-specific practice tests, Full practice exams, Detailed answer explanations, Flashcards for concept review, Video lessons and tutorials, Progress tracking and score prediction

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PerfectPrep Premium 1 Week | $4.99 | per 7 days |
| PerfectPrep Premium 1 Month | $9.99 | per month |
| PerfectPrep Premium 1 Month | $9.99 | per month |
| PerfectPrep Premium 1 Month | $9.99 | per month |
| PerfectPrep Premium 1 Month | $14.99 | per month |
| PerfectPrep Premium 6 Months | $19.99 | per 6 months |
| PerfectPrep Premium 6 months | $39.99 | per 6 months |
| PerfectPrep Premium 6 Months | $39.99 | per 6 months |

**What reviewers like**

- 👍 Good app for SAT prep
- 👍 Easy to use with many useful features
- 👍 Helpful for studying and preparing for the SAT
- 👍 Great for students and anyone taking the SAT
- 👍 Awesome app

**What reviewers complain about**

- 🐛 Incorrect content and errors in practice questions
- 🐛 Software bugs and issues with practice tests
- 💰 Not completely free, some features require payment
- 🐛 Answers marked wrong even though they are correct

**Reported bugs**

- Constant notifications despite disabling them
- Time limits not accurate for practice tests
- Many typos in the app

**Requested features**

- Dark mode option
- More free practice content


### 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 (10)**

| 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 Yearly | $499.00 | per year |
| Turbo Yearly | $600.00 | per year |

**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


## Frequently asked questions

### Is PerfectPrep free?

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

### Is Linus free?

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

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

Linus is rated higher. PerfectPrep averages 4.6 out of 5 from 878 ratings, while Linus averages 4.8 from 798 ratings.

### Do PerfectPrep or Linus have ads?

Linus shows ads; PerfectPrep does not.

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

PerfectPrep ships an update fortnightly, and Linus every 11 days. Most recently, PerfectPrep was updated on November 3, 2026 and Linus on November 8, 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.*