# 9 vs Spark Maths

The clearest difference is ads: Spark Maths at none against 9's shown. 9's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 26.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. 9 sells 1 one-off in-app purchase and Spark Maths sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

9 ships an update every 5 weeks, Spark Maths monthly. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 9 | Spark Maths |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Monthly** |
| Size | 26 MB | 8 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Okko Meijer](https://appshunter.io/developer/1881299592) | [Bradley Carl Wentzel](https://appshunter.io/developer/6778437897) |

## What reviewers say

### 9

[App page](https://appshunter.io/ios/app/9-box/id6761386274)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Verwijder advertenties | $2.99 | one-time |


### Spark Maths

[App page](https://appshunter.io/ios/app/spark-maths/id6778437895)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spark Maths Premium | $2.99 | one-time |


## Frequently asked questions

### Is 9 free?

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

### Is Spark Maths free?

Spark Maths is free to download, with in-app purchases available.

### Do 9 or Spark Maths have ads?

9 shows ads; Spark Maths does not.

### Which is updated more often, 9 or Spark Maths?

9 ships an update every 5 weeks, and Spark Maths monthly. Most recently, 9 was updated on October 31, 2026 and Spark Maths on October 25, 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.*