# Plus Minus Math SD vs Kids Primary School Starter

The clearest difference is in-app purchases: Plus Minus Math SD at none against Kids Primary School Starter's 3. Plus Minus Math SD also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.4). Kids Primary School Starter's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. Kids Primary School Starter sells 3 in-app purchases, starting at $5.99 per month. Plus Minus Math SD asks for nothing beyond the download.

Plus Minus Math SD ships an update every 18 months, Kids Primary School Starter every 27 months. The most recent releases landed on October 21, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Plus Minus Math SD | Kids Primary School Starter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (4 ratings)](https://appshunter.io/ios/app/kids-primary-school-starter/id1623216327/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 18 months** | Every 27 months |
| Monetization | — | Free |
| Size | 24 MB | 48 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Andela ICT](https://appshunter.io/developer/342734534) | [IOVA LTD](https://appshunter.io/developer/1512175088) |

## 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


### Kids Primary School Starter

[App page](https://appshunter.io/ios/app/kids-primary-school-starter/id1623216327)

This app offers a comprehensive learning experience for young children, covering a wide range of essential school subjects through interactive games, colorful visuals, and engaging sounds. It aims to enhance nursery knowledge in a fun and memorable way.

**Highlights:** Visual learning for nursery knowledge, Covers fruits, vegetables, animals, colors, shapes, and more, Interactive games and activities, Cute pictures and amusing user interface, Painting feature with drawing tools, Pronunciation of names

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kids Plus Monthly | $5.99 | per month |
| Kids Plus Yearly | $29.99 | per year |
| Kids Plus Lifetime | $59.99 | 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 Kids Primary School Starter free?

Kids Primary School Starter is free to download, with in-app purchases available.

### Do Plus Minus Math SD or Kids Primary School Starter have ads?

Plus Minus Math SD shows ads; Kids Primary School Starter does not.

### Which is updated more often, Plus Minus Math SD or Kids Primary School Starter?

Plus Minus Math SD ships an update every 18 months, and Kids Primary School Starter every 27 months. Most recently, Plus Minus Math SD was updated on October 21, 2026 and Kids Primary School Starter on October 30, 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.*