# TT Math 4 vs 99math

The clearest difference is in-app purchases: TT Math 4 at none against 99math's 15. TT Math 4 also leads on iOS requirement (12.0 vs 15.0). 99math's advantage is rating (3.8 vs 3.5) and review sentiment (48% vs 37%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. 99math sells 15 in-app purchases, starting at $9.99 per month. TT Math 4 asks for nothing beyond the download.

99math holds the better App Store score, 3.8 against 3.5. Both are backed by a comparable volume of ratings — 83 and 155 respectively. Written reviews point the same way: 37% of TT Math 4's written reviews are positive against 48% of 99math's.

TT Math 4 ships an update every 2 months, 99math every 5 weeks. The most recent releases landed on August 30, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | TT Math 4 | 99math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (83 ratings)](https://appshunter.io/ios/app/tt-math-4/id1516356640/reviews) | **[3.8 (155 ratings)](https://appshunter.io/ios/app/99math-master-math-facts/id6472210505/reviews)** |
| Number of ratings | 83 | **155** |
| Positive reviews | 37.3% of reviews | **47.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 110 MB | 301 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Teaching Textbooks, Inc.](https://appshunter.io/developer/1516345361) | [99math OÜ](https://appshunter.io/developer/1720659494) |

## What reviewers say

### TT Math 4

[App page](https://appshunter.io/ios/app/tt-math-4/id1516356640)

This educational app provides interactive math lessons and practice problems for 4th graders. It offers automated grading, step-by-step explanations, and parental controls for progress tracking. The app allows for offline use of up to six lessons, making it ideal for on-the-go learning.

**Highlights:** 119 audiovisual lectures, Thousands of practice problems, Automated grading, Step-by-step audiovisual explanations, Parental progress tracking, Offline lesson access (up to 6)

**In-app purchases:** none


### 99math

[App page](https://appshunter.io/ios/app/99math-master-math-facts/id6472210505)

This app makes math practice fun and engaging for children in grades 1-6 through gamified exercises. It offers interactive learning with real-time feedback, rewards, and customizable elements to keep kids motivated. The app also supports classroom assignments and remote learning.

**Highlights:** Gamified math practice, Interactive learning with feedback, Collectibles and rewards system, Classroom and assignment features, Customizable avatars and pets, Tailored to grades 1-6

**Features:** macOS Compatibility

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pass | $9.99 | per month |
| Monthly Pass | $9.99 | per month |
| Yearly Pass | $59.99 | per year |
| mBucks 20 pack | $1.99 | one-time |
| mBucks 40 pack | $3.99 | one-time |
| mBucks 84 pack | $7.99 | one-time |
| mBucks 88 pack | $7.99 | one-time |
| mBucks 2100 pack | $9.99 | one-time |
| mBucks 200 pack | $17.99 | one-time |
| mBucks 4500 pack | $19.99 | one-time |
| mBucks 260 pack | $19.99 | one-time |
| mBucks 7600 pack | $29.99 | one-time |
| mBucks 500 pack | $39.99 | one-time |
| mBucks 1330 pack | $49.99 | one-time |
| Math Pass lifetime | $149.99 | one-time |


## Frequently asked questions

### Is TT Math 4 free?

TT Math 4 is free to download, with no in-app purchases.

### Is 99math free?

99math is free to download, with in-app purchases available.

### Which has better reviews, TT Math 4 or 99math?

99math is rated higher. TT Math 4 averages 3.5 out of 5 from 83 ratings, while 99math averages 3.8 from 155 ratings.

### Do TT Math 4 or 99math have ads?

Neither TT Math 4 nor 99math shows ads.

### Which is updated more often, TT Math 4 or 99math?

TT Math 4 ships an update every 2 months, and 99math every 5 weeks. Most recently, TT Math 4 was updated on August 30, 2026 and 99math on September 21, 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.*