# Linus vs Praxis Core Practice Test Prep

The clearest difference is ads: Praxis Core Practice Test Prep at none against Linus's shown. Praxis Core Practice Test Prep also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Linus sells 14 in-app purchases, starting at $24.99 per 3 months and Praxis Core Practice Test Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Linus ships an update every 11 days, Praxis Core Practice Test Prep weekly. The most recent releases landed on September 22, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Linus | Praxis Core Practice Test Prep |
| --- | --- | --- |
| 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 | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 11 days | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 93 MB | 48 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Linus Labs, Inc.](https://appshunter.io/developer/1790246412) | [3328833 Nova Scotia Limited](https://appshunter.io/developer/1757830011) |

## 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


### Praxis Core Practice Test Prep

[App page](https://appshunter.io/ios/app/praxis-core-practice-test-prep/id6753198913)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $9.99 | one-time |


## Frequently asked questions

### Is Linus free?

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

### Is Praxis Core Practice Test Prep free?

Praxis Core Practice Test Prep is free to download, with in-app purchases available.

### Do Linus or Praxis Core Practice Test Prep have ads?

Linus shows ads; Praxis Core Practice Test Prep does not.

### Which is updated more often, Linus or Praxis Core Practice Test Prep?

Linus ships an update every 11 days, and Praxis Core Practice Test Prep weekly. Most recently, Linus was updated on September 22, 2026 and Praxis Core Practice Test Prep on September 9, 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.*