# Gaus vs Digital SAT Prep

The clearest difference is in-app purchases: Gaus at none against Digital SAT Prep's 2. Gaus also leads on rating (5.0 vs 4.6). Digital SAT Prep's advantage is ratings volume (9 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Digital SAT Prep sells 2 in-app purchases, starting at $12.99 per 7 days. Gaus asks for nothing beyond the download.

Gaus holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Digital SAT Prep has 9 ratings behind it against 1, so its average is the more settled of the two.

Gaus ships an update every 2 months, Digital SAT Prep every 6 weeks. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Gaus | Digital SAT Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gaus-learn-math/id6470290821/reviews)** | [4.6 (9 ratings)](https://appshunter.io/ios/app/digital-sat-prep-study-share/id6770344832/reviews) |
| Number of ratings | 1 | **9** |
| Positive reviews | — | 88.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | **Free** | Subscription |
| Size | 2 MB | 68 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CanMage, LLC](https://appshunter.io/developer/1792243337) | [Austin Frankel](https://appshunter.io/developer/1877203662) |

## What reviewers say

### Gaus

[App page](https://appshunter.io/ios/app/gaus-learn-math/id6470290821)

Solve visual math puzzles by deciphering fruit and emoji equations. This game offers timed challenges and multiple difficulty levels to sharpen your mental math and problem-solving skills.

**Highlights:** Fruit and emoji math equations, Logic and arithmetic puzzles, Level progression system, Timed challenges, Progress tracking, Two game modes (Quiz & Level)

**In-app purchases:** none


### Digital SAT Prep

[App page](https://appshunter.io/ios/app/digital-sat-prep-study-share/id6770344832)

Prepare for the digital SAT with AI-powered practice tests and personalized guidance. Master key concepts with a comprehensive question bank, smart flashcards, and a lesson path tailored to your needs. Track your progress and predict your score with this comprehensive study tool.

**Highlights:** AI-powered SAT tutor, Full-length digital SAT practice tests, SAT question bank for targeted drilling, Smart flashcards with spaced repetition, Personalized lesson path, On-test calculator simulation, Score predictor and progress tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Study Share Pro Weekly | $12.99 | per 7 days |
| Study Share Pro Quarterly | $69.99 | per 3 months |


## Frequently asked questions

### Is Gaus free?

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

### Is Digital SAT Prep free?

Digital SAT Prep is free to download, with in-app purchases available.

### Which has better reviews, Gaus or Digital SAT Prep?

Gaus is rated higher. Gaus averages 5.0 out of 5 from 1 ratings, while Digital SAT Prep averages 4.6 from 9 ratings.

### Do Gaus or Digital SAT Prep have ads?

Neither Gaus nor Digital SAT Prep shows ads.

### Which is updated more often, Gaus or Digital SAT Prep?

Gaus ships an update every 2 months, and Digital SAT Prep every 6 weeks. Most recently, Gaus was updated on October 9, 2026 and Digital SAT Prep on October 16, 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.*