# 12 in 3 vs SimpleMath

The clearest difference is update cadence: SimpleMath at every 11 days against 12 in 3's every 7 months. SimpleMath also leads on review sentiment (100% vs 88%) and iOS requirement (8.0 vs 14.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

12 in 3 ships an update every 7 months, SimpleMath every 11 days. The most recent releases landed on October 15, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | 12 in 3 | SimpleMath |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/12-in-3/id478962594/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 11 days** |
| Monetization | Free | Free |
| Size | 2 MB | 49 MB |
| Requires iOS | 14.0 | **8.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Frank-Peter Poschmann](https://appshunter.io/developer/400075879) | [Tatsuhiro Yamashita](https://appshunter.io/developer/1177073965) |

## What reviewers say

### 12 in 3

[App page](https://appshunter.io/ios/app/12-in-3/id478962594)

This app helps you find all possible combinations of numbers that add up to a specific sum using a set number of digits. You can also exclude certain numbers or make others mandatory for your calculations.

**Highlights:** Calculate number combinations, Specify target sum, Define number of digits, Exclude numbers, Require specific numbers

**In-app purchases:** none


### SimpleMath

[App page](https://appshunter.io/ios/app/simplemath-brain-training-in-30-seconds/id1237517108)

Engage in quick mental math challenges across four modes: addition, subtraction, multiplication, and division. Aim for high scores by solving problems accurately and speedily within a time limit. Review your answers after each game to improve your skills.

**Highlights:** Four calculation modes, Adjustable difficulty levels, Timed challenges, Score tracking, Answer review, Daily brain training

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 12 in 3 free?

12 in 3 is free to download, with no in-app purchases.

### Is SimpleMath free?

SimpleMath is free to download, with no in-app purchases.

### Do 12 in 3 or SimpleMath have ads?

Neither 12 in 3 nor SimpleMath shows ads.

### Which is updated more often, 12 in 3 or SimpleMath?

12 in 3 ships an update every 7 months, and SimpleMath every 11 days. Most recently, 12 in 3 was updated on October 15, 2026 and SimpleMath on August 26, 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.*