# Abacus Trainer 3 vs Maths Formulas & Brain Teaser

The clearest difference is price: Maths Formulas & Brain Teaser at Free against Abacus Trainer 3's $4.99. Abacus Trainer 3's advantage is ads (none vs shown) and iOS requirement (8.0 vs 11.0). On update cadence, in-app purchases and device support there is nothing between them.

Maths Formulas & Brain Teaser is free to download; Abacus Trainer 3 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Abacus Trainer 3 ships an update every 18 months, Maths Formulas & Brain Teaser every 15 months. Both last shipped on October 7, 2026.

## The numbers

| Metric | Abacus Trainer 3 | Maths Formulas & Brain Teaser |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/maths-formulas-and-brain-teaser/id1458344907/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 18 months | **Every 15 months** |
| Monetization | — | Ad-supported |
| Size | 8 MB | 16 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hamster Force Multimedia Ltd.](https://appshunter.io/developer/443416476) | [Primosoft Inc](https://appshunter.io/developer/638687289) |

## What reviewers say

### Abacus Trainer 3

[App page](https://appshunter.io/ios/app/abacus-trainer-3/id1157882317)

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

**In-app purchases:** none


### Maths Formulas & Brain Teaser

[App page](https://appshunter.io/ios/app/maths-formulas-and-brain-teaser/id1458344907)

Enhance your mathematical abilities with a fun app designed to improve problem-solving speed and logical thinking. It offers a wide range of math categories and difficulty levels suitable for both children and adults.

**Highlights:** Improve math problem-solving speed, Develop abstract and logical thinking, Multiple difficulty levels, Wide range of math categories, Suitable for children and adults, Sharpen intellect and memory

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

**In-app purchases:** none


## Frequently asked questions

### Is Abacus Trainer 3 free?

Abacus Trainer 3 costs $4.99, with no in-app purchases.

### Is Maths Formulas & Brain Teaser free?

Maths Formulas & Brain Teaser is free to download, with no in-app purchases.

### Do Abacus Trainer 3 or Maths Formulas & Brain Teaser have ads?

Maths Formulas & Brain Teaser shows ads; Abacus Trainer 3 does not.

### Which is updated more often, Abacus Trainer 3 or Maths Formulas & Brain Teaser?

Abacus Trainer 3 ships an update every 18 months, and Maths Formulas & Brain Teaser every 15 months. Most recently, Abacus Trainer 3 was updated on October 7, 2026 and Maths Formulas & Brain Teaser on October 7, 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.*