# ACT Mastery 2017 Prep vs Tutorius

The clearest difference is update cadence: Tutorius at weekly against ACT Mastery 2017 Prep's every 6 weeks. Tutorius also leads on monetization model (free vs free with in-app purchases). ACT Mastery 2017 Prep's advantage is review sentiment (95% vs 83%) and ratings volume (130 vs 40). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. ACT Mastery 2017 Prep sells 1 one-off in-app purchase and Tutorius sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for ACT Mastery 2017 Prep against 4.8 for Tutorius. Both are backed by a comparable volume of ratings — 130 and 40 respectively. Written reviews are what separate them: 95% of ACT Mastery 2017 Prep's written reviews are positive against 83% of Tutorius's.

ACT Mastery 2017 Prep ships an update every 6 weeks, Tutorius weekly. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | ACT Mastery 2017 Prep | Tutorius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (130 ratings)](https://appshunter.io/ios/app/act-mastery-2017-prep/id1023503333/reviews) | **[4.8 (40 ratings)](https://appshunter.io/ios/app/tutorius-digital-sat-act-math/id1544620273/reviews)** |
| Number of ratings | **130** | 40 |
| Positive reviews | **95.2% of reviews** | 83.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 60 MB | 119 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [gWhiz, LLC](https://appshunter.io/developer/286531712) | [Michael Montalbano](https://appshunter.io/developer/1481125271) |

## What reviewers say

### ACT Mastery 2017 Prep

[App page](https://appshunter.io/ios/app/act-mastery-2017-prep/id1023503333)

Prepare for the ACT exam with comprehensive, section-specific test prep. Access over 1,000 practice questions, study strategies, and flashcards developed by ACT insiders. Improve your score by focusing on weak areas with detailed explanations and progress tracking.

**Highlights:** Section-specific test prep, 1,000+ practice questions, Study strategies and tips, Terminology flashcards, Progress tracking and statistics, Offline access

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Content | Free | one-time |

**What reviewers like**

- 👍 Free and accessible
- 🚀 Excellent for ACT prep
- 💡 Detailed explanations for answers
- 📚 Organized content by subject
- ✅ Helps identify weaknesses

**What reviewers complain about**

- ❓ Confusing question wording
- 🐛 Occasional loading issues
- 💰 Pro version seems pricey
- ⚠️ Some questions have errors/typos

**Reported bugs**

- App won't load
- Occasional not getting it to load

**Requested features**

- Add a timer for practice sessions
- Update the app for more features
- Unlock more content in the free version


### Tutorius

[App page](https://appshunter.io/ios/app/tutorius-digital-sat-act-math/id1544620273)

This app provides personalized math tutoring for the SAT and ACT, updated for the Digital SAT. It features over 450 unique practice questions, interactive lessons, and progress tracking to make test preparation engaging and effective.

**Highlights:** 450+ unique practice questions, Curriculum with 15 math units, Topic-specific practice tests, Formula and rule matching game, Detailed performance statistics, Gamified progress tracking

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $9.99 | per month |


## Frequently asked questions

### Is ACT Mastery 2017 Prep free?

ACT Mastery 2017 Prep is free to download, with in-app purchases available.

### Is Tutorius free?

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

### Which has better reviews, ACT Mastery 2017 Prep or Tutorius?

Tutorius is rated higher. ACT Mastery 2017 Prep averages 4.7 out of 5 from 130 ratings, while Tutorius averages 4.8 from 40 ratings.

### Do ACT Mastery 2017 Prep or Tutorius have ads?

Neither ACT Mastery 2017 Prep nor Tutorius shows ads.

### Which is updated more often, ACT Mastery 2017 Prep or Tutorius?

ACT Mastery 2017 Prep ships an update every 6 weeks, and Tutorius weekly. Most recently, ACT Mastery 2017 Prep was updated on October 13, 2026 and Tutorius on October 12, 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.*