# 9th Grade Math Challenge vs Study Time

The clearest difference is rating: Study Time at 5.0 against 9th Grade Math Challenge's 3.8. Study Time also leads on update cadence (every 2 months vs every 7 months). 9th Grade Math Challenge's advantage is ratings volume (12 vs 3) and iOS requirement (13.0 vs 18.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 9th Grade Math Challenge sells 1 one-off in-app purchase and Study Time sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Study Time holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 12 and 3 respectively.

9th Grade Math Challenge ships an update every 7 months, Study Time every 2 months. The most recent releases landed on September 27, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 9th Grade Math Challenge | Study Time |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (12 ratings)](https://appshunter.io/ios/app/9th-grade-math-challenge/id1537491129/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/study-time-ai-app-blocker/id6757340083/reviews)** |
| Number of ratings | **12** | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 28 MB | 110 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [IT365 Solutions Inc](https://appshunter.io/developer/1531416759) | [elhoussin razouki](https://appshunter.io/developer/1866198257) |

## What reviewers say

### 9th Grade Math Challenge

[App page](https://appshunter.io/ios/app/9th-grade-math-challenge/id1537491129)

Test your 9th-grade math skills with a challenging game featuring 100 levels and puzzles. Track your progress, share your score with a certificate, and compete with friends. Detailed solutions are provided for better understanding.

**Highlights:** 100 math questions/levels, Math puzzles, Score certificate creation, Friend challenges, Step-by-step solutions

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove all Ads from Math 9 | $0.99 | one-time |


### Study Time

[App page](https://appshunter.io/ios/app/study-time-ai-app-blocker/id6757340083)

This app transforms your study materials into AI-powered quizzes and flashcards. Earn screen time for social media and games by completing personalized learning challenges, with access enforced at the device level.

**Highlights:** AI quizzes and flashcards from your materials, Upload PDFs, videos, and more, Device-level app blocking, Earned screen time with countdown timer, AI chat assistant, Multi-language support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Yearly One Time Offer | $19.99 | per year |
| Yearly | $29.99 | per year |


## Frequently asked questions

### Is 9th Grade Math Challenge free?

9th Grade Math Challenge is free to download, with in-app purchases available.

### Is Study Time free?

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

### Which has better reviews, 9th Grade Math Challenge or Study Time?

Study Time is rated higher. 9th Grade Math Challenge averages 3.8 out of 5 from 12 ratings, while Study Time averages 5.0 from 3 ratings.

### Do 9th Grade Math Challenge or Study Time have ads?

Neither 9th Grade Math Challenge nor Study Time shows ads.

### Which is updated more often, 9th Grade Math Challenge or Study Time?

9th Grade Math Challenge ships an update every 7 months, and Study Time every 2 months. Most recently, 9th Grade Math Challenge was updated on September 27, 2026 and Study Time on September 30, 2026.

---

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