# ACT ® Math Prep vs ACT Mastery 2017 Prep

ACT ® Math Prep and ACT Mastery 2017 Prep both sit at 4.8 stars, but that hides the real split: 95% of ACT Mastery 2017 Prep's written reviews are positive against 67% of ACT ® Math Prep's. ACT Mastery 2017 Prep also leads on update cadence (every 6 weeks vs every 8 months) and iOS requirement (9.0 vs 13.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.8 for ACT ® Math Prep against 4.7 for ACT Mastery 2017 Prep. Both are backed by a comparable volume of ratings — 138 and 130 respectively. Written reviews are what separate them: 67% of ACT ® Math Prep's written reviews are positive against 95% of ACT Mastery 2017 Prep's.

ACT ® Math Prep ships an update every 8 months, ACT Mastery 2017 Prep every 6 weeks. The most recent releases landed on September 8, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | ACT ® Math Prep | ACT Mastery 2017 Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (138 ratings)](https://appshunter.io/ios/app/act-math-prep/id437030927/reviews)** | [4.7 (130 ratings)](https://appshunter.io/ios/app/act-mastery-2017-prep/id1023503333/reviews) |
| Number of ratings | **138** | 130 |
| Positive reviews | 66.7% of reviews | **95.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 15 MB | 60 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YourTeacher.com](https://appshunter.io/developer/340925628) | [gWhiz, LLC](https://appshunter.io/developer/286531712) |

## What reviewers say

### ACT ® Math Prep

[App page](https://appshunter.io/ios/app/act-math-prep/id437030927)

Prepare for the ACT Math test with a comprehensive study guide and practice tests. Access all content with a free trial, cancel anytime within the first three days to avoid charges.

**Highlights:** ACT Math study guide, Practice tests, Free trial, Cancel anytime

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ACT Math Test Prep | $9.99 | per month |


### 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


## Frequently asked questions

### Is ACT ® Math Prep free?

ACT ® Math Prep is free to download, with in-app purchases available.

### Is ACT Mastery 2017 Prep free?

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

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

ACT ® Math Prep is rated higher. ACT ® Math Prep averages 4.8 out of 5 from 138 ratings, while ACT Mastery 2017 Prep averages 4.7 from 130 ratings.

### Do ACT ® Math Prep or ACT Mastery 2017 Prep have ads?

Neither ACT ® Math Prep nor ACT Mastery 2017 Prep shows ads.

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

ACT ® Math Prep ships an update every 8 months, and ACT Mastery 2017 Prep every 6 weeks. Most recently, ACT ® Math Prep was updated on September 8, 2026 and ACT Mastery 2017 Prep on September 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*