# MathPlay vs Sumday

The clearest difference is in-app purchases: MathPlay at none against Sumday's 1. MathPlay also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Sumday sells 1 one-off in-app purchase. MathPlay asks for nothing beyond the download.

MathPlay ships an update weekly, Sumday every 9 days. The most recent releases landed on September 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | MathPlay | Sumday |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 9 days |
| Size | 45 MB | 34 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SungJin Hwang](https://appshunter.io/developer/1852205216) | [TON CO., LTD.](https://appshunter.io/developer/6796677381) |

## What reviewers say

### MathPlay

[App page](https://appshunter.io/ios/app/mathplay-arithmetic/id6755142714)

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

**In-app purchases:** none


### Sumday

[App page](https://appshunter.io/ios/app/sumday-mental-math-practice/id6802302480)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sumday Premium | $3.99 | one-time |


## Frequently asked questions

### Is MathPlay free?

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

### Is Sumday free?

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

### Do MathPlay or Sumday have ads?

Sumday shows ads; MathPlay does not.

### Which is updated more often, MathPlay or Sumday?

MathPlay ships an update weekly, and Sumday every 9 days. Most recently, MathPlay was updated on September 24, 2026 and Sumday on October 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.*