# Speed math vs Questari

The clearest difference is in-app purchases: Questari at none against Speed math's 1. Questari also leads on ads (none vs shown) and update cadence (every 3 months vs every 11 months). Speed math's advantage is iOS requirement (12.0 vs 15.0). On price and device support there is nothing between them.

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

Speed math ships an update every 11 months, Questari every 3 months. The most recent releases landed on September 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Speed math | Questari |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Every 3 months** |
| Size | 16 MB | 109 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [向军 贾](https://appshunter.io/developer/788691093) | [GCDM Limited](https://appshunter.io/developer/1766019898) |

## What reviewers say

### Speed math

[App page](https://appshunter.io/ios/app/speed-mathmental-arithmetic/id1092366930)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock function and off AD | $3.99 | one-time |


### Questari

[App page](https://appshunter.io/ios/app/questari/id6778719784)

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

**In-app purchases:** none


## Frequently asked questions

### Is Speed math free?

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

### Is Questari free?

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

### Do Speed math or Questari have ads?

Speed math shows ads; Questari does not.

### Which is updated more often, Speed math or Questari?

Speed math ships an update every 11 months, and Questari every 3 months. Most recently, Speed math was updated on September 17, 2026 and Questari on October 7, 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.*