# Terra Bits 2.0 vs Arithmetic Train your Brain

The clearest difference is review sentiment: Arithmetic Train your Brain at 100% against Terra Bits 2.0's 44%. Arithmetic Train your Brain also leads on rating (5.0 vs 3.0) and in-app purchases (none vs 2). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Terra Bits 2.0 sells 2 one-off in-app purchases. Arithmetic Train your Brain asks for nothing beyond the download.

Arithmetic Train your Brain holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 44% of Terra Bits 2.0's written reviews are positive against 100% of Arithmetic Train your Brain's.

Terra Bits 2.0 ships an update every 3 months, Arithmetic Train your Brain daily. The most recent releases landed on October 6, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Terra Bits 2.0 | Arithmetic Train your Brain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/terra-bits-20/id642203849/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/arithmetic-train-your-brain/id6451027097/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 43.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 27 MB | 64 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Anton Krukov](https://appshunter.io/developer/637016041) | [minoru yamazaki](https://appshunter.io/developer/1449437588) |

## What reviewers say

### Terra Bits 2.0

[App page](https://appshunter.io/ios/app/terra-bits-20/id642203849)

Experience a classic arcade game with modern controls. Navigate through unique game modes and challenging levels using intuitive one-finger gestures or classic buttons. Discover bonus items to boost your score and compete with friends.

**Highlights:** One-finger gesture controls, Classic button controls, Resume from last point, Infinity mode, Random Difficulty, 4 unique game modes, Bonus items

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| New items, tasks and bonus effects | $0.99 | one-time |
| match 3 & terminator | $0.99 | one-time |


### Arithmetic Train your Brain

[App page](https://appshunter.io/ios/app/arithmetic-train-your-brain/id6451027097)

Engage in daily brain training with arithmetic puzzles. Compete against your past performance to improve your calculation skills and stimulate your mind. Enjoy a progressive difficulty system and track your progress with a calendar feature.

**Highlights:** Daily brain training, Compete with past self, Progressive difficulty levels, Four arithmetic operations, Calendar progress tracking, Unlimited play

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Terra Bits 2.0 free?

Terra Bits 2.0 is free to download, with in-app purchases available.

### Is Arithmetic Train your Brain free?

Arithmetic Train your Brain is free to download, with no in-app purchases.

### Which has better reviews, Terra Bits 2.0 or Arithmetic Train your Brain?

Arithmetic Train your Brain is rated higher. Terra Bits 2.0 averages 3.0 out of 5 from 1 ratings, while Arithmetic Train your Brain averages 5.0 from 2 ratings.

### Do Terra Bits 2.0 or Arithmetic Train your Brain have ads?

Both Terra Bits 2.0 and Arithmetic Train your Brain show ads.

### Which is updated more often, Terra Bits 2.0 or Arithmetic Train your Brain?

Terra Bits 2.0 ships an update every 3 months, and Arithmetic Train your Brain daily. Most recently, Terra Bits 2.0 was updated on October 6, 2026 and Arithmetic Train your Brain on September 23, 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.*