# Number Builder vs TT Math 5

The clearest difference is rating: Number Builder at 4.9 against TT Math 5's 3.2. Number Builder also leads on review sentiment (100% vs 60%). TT Math 5's advantage is in-app purchases (none vs 1) and update cadence (every 2 months vs every 39 months). On price, ads and monetization model there is nothing between them.

Both are free to download. Number Builder sells 1 one-off in-app purchase. TT Math 5 asks for nothing beyond the download.

Number Builder holds the better App Store score, 4.9 against 3.2. That said, the two scores are not equally well evidenced: TT Math 5 has 129 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 100% of Number Builder's written reviews are positive against 60% of TT Math 5's.

Number Builder ships an update every 39 months, TT Math 5 every 2 months. The most recent releases landed on August 12, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Number Builder | TT Math 5 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (7 ratings)](https://appshunter.io/ios/app/number-builder-puzzle-solver/id1489526164/reviews)** | [3.2 (129 ratings)](https://appshunter.io/ios/app/tt-math-5/id1516357392/reviews) |
| Number of ratings | 7 | **129** |
| Positive reviews | **100.0% of reviews** | 59.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 4 MB | 117 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Widgetilities LLC](https://appshunter.io/developer/1373578566) | [Teaching Textbooks, Inc.](https://appshunter.io/developer/1516345361) |

## What reviewers say

### Number Builder

[App page](https://appshunter.io/ios/app/number-builder-puzzle-solver/id1489526164)

This app helps solve math puzzles by calculating all possible equations from dice rolls and a target number. It supports basic arithmetic, powers, and roots, making it a useful tool for games like Number Knockout.

**Highlights:** Calculates all possible solutions, Supports basic arithmetic, Includes powers and roots, Input dice rolls and target number, Useful for Number Knockout game

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Challenge Mode | $1.99 | one-time |


### TT Math 5

[App page](https://appshunter.io/ios/app/tt-math-5/id1516357392)

This app enhances a math course, allowing students to learn independently and on the go, even offline for up to six lessons. It offers audiovisual lectures, practice problems with instant feedback, and detailed explanations for every problem. Parents can track progress with built-in controls.

**Highlights:** Offline learning for up to 6 lessons, 114 audiovisual lectures, Thousands of practice problems, Automated grading and instant feedback, Step-by-step audiovisual explanations, Parental progress tracking, Digitized textbook with search

**In-app purchases:** none

**What reviewers like**

- 👍 Great for homeschooling
- 👍 Clear and easy lessons
- 👍 Interactive lessons
- 👍 Reads lessons aloud
- 👍 Affordable

**What reviewers complain about**

- 🐛 Glitches and freezing
- 🐛 App is laggy
- 🐛 Sometimes counts correct answers wrong
- 🐛 Custom keyboard issues
- 🐛 Content can be too easy/repetitive

**Reported bugs**

- App freezes and glitches when giving hints
- Touch screen not registering numbers
- App freezes up
- App is very laggy
- Sometimes kicks me out of the app

**Requested features**

- Add a redo button
- Add sound effects to stickers
- More problems on each particular math subject
- Focus practice problems on new lessons first
- Improve review of concepts like Roman Numerals and time


## Frequently asked questions

### Is Number Builder free?

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

### Is TT Math 5 free?

TT Math 5 is free to download, with no in-app purchases.

### Which has better reviews, Number Builder or TT Math 5?

Number Builder is rated higher. Number Builder averages 4.9 out of 5 from 7 ratings, while TT Math 5 averages 3.2 from 129 ratings.

### Do Number Builder or TT Math 5 have ads?

Neither Number Builder nor TT Math 5 shows ads.

### Which is updated more often, Number Builder or TT Math 5?

Number Builder ships an update every 39 months, and TT Math 5 every 2 months. Most recently, Number Builder was updated on August 12, 2026 and TT Math 5 on September 17, 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.*