# Speed Math vs Odd Even

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

Both are free to download. Speed Math sells 1 one-off in-app purchase. Odd Even asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 19, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Speed Math | Odd Even |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | Every 3 days |
| Size | 33 MB | 10 MB |
| Requires iOS | 15.1 | **15** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [C VISHNU](https://appshunter.io/developer/552739303) | [Sanjeev Gautam](https://appshunter.io/developer/1688707857) |

## What reviewers say

### Speed Math

[App page](https://appshunter.io/ios/app/speed-math-simple-maths-game/id6740176997)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Odd Even

[App page](https://appshunter.io/ios/app/odd-even-merge/id6747301052)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Speed Math free?

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

### Is Odd Even free?

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

### Do Speed Math or Odd Even have ads?

Speed Math shows ads; Odd Even does not.

### Which is updated more often, Speed Math or Odd Even?

Speed Math ships an update every 3 days, and Odd Even every 3 days. Most recently, Speed Math was updated on October 19, 2026 and Odd Even on October 5, 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.*