# Plus Minus Math SD vs Math Bits

The clearest difference is in-app purchases: Plus Minus Math SD at none against Math Bits's 1. Math Bits's advantage is update cadence (every 2 months vs every 18 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Math Bits sells 1 one-off in-app purchase. Plus Minus Math SD asks for nothing beyond the download.

Plus Minus Math SD ships an update every 18 months, Math Bits every 2 months. The most recent releases landed on November 4, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Plus Minus Math SD | Math Bits |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (4 ratings)](https://appshunter.io/ios/app/math-bits-brain-training/id1224923594/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 18 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 19 MB |
| Requires iOS | **12.0** | 12.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andela ICT](https://appshunter.io/developer/342734534) | [Stoyan Hristov](https://appshunter.io/developer/584595816) |

## What reviewers say

### Plus Minus Math SD

[App page](https://appshunter.io/ios/app/plus-minus-math-sd/id1031009964)

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Bits

[App page](https://appshunter.io/ios/app/math-bits-brain-training/id1224923594)

Sharpen your mathematical abilities and cognitive functions with engaging brain training games. This app offers a variety of exercises, from basic arithmetic to memory challenges, with adjustable difficulty levels to suit all ages. Practice daily to enhance logic, speed, and overall mental acuity.

**Highlights:** Addition, subtraction, multiplication, division practice, Memory and logic games, Increasing difficulty levels, Timer option (premium), Randomly generated problems, Daily practice

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Math Bits Premium | $2.99 | one-time |


## Frequently asked questions

### Is Plus Minus Math SD free?

Plus Minus Math SD is free to download, with no in-app purchases.

### Is Math Bits free?

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

### Do Plus Minus Math SD or Math Bits have ads?

Both Plus Minus Math SD and Math Bits show ads.

### Which is updated more often, Plus Minus Math SD or Math Bits?

Plus Minus Math SD ships an update every 18 months, and Math Bits every 2 months. Most recently, Plus Minus Math SD was updated on November 4, 2026 and Math Bits on November 13, 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.*