# Two Second Math Quiz vs Sum Run

The clearest difference is ads: Two Second Math Quiz at none against Sum Run's shown. Two Second Math Quiz also leads on iOS requirement (8.0 vs 15.1). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Two Second Math Quiz ships an update every 3 months, Sum Run every 2 months. The most recent releases landed on September 7, 2026 and May 13, 2026 respectively.

## The numbers

| Metric | Two Second Math Quiz | Sum Run |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/two-second-math-quiz/id1076762045/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 14 MB | 54 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lukas Fecke](https://appshunter.io/developer/1076762044) | [Paulo Jose Mendes Marques](https://appshunter.io/developer/1768019220) |

## What reviewers say

### Two Second Math Quiz

[App page](https://appshunter.io/ios/app/two-second-math-quiz/id1076762045)

Test your math skills and quick decision-making with this challenging game. Solve simple math expressions against the clock to keep your brain sharp and improve focus. It's a dynamic workout for your mind, perfect for quick play anywhere.

**Highlights:** Quick math expression solving, Time pressure challenges, Brain workout, Randomized expressions, All four math operators

**Features:** macOS Compatibility

**In-app purchases:** none


### Sum Run

[App page](https://appshunter.io/ios/app/sum-run/id6758531674)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Two Second Math Quiz free?

Two Second Math Quiz is free to download, with no in-app purchases.

### Is Sum Run free?

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

### Do Two Second Math Quiz or Sum Run have ads?

Sum Run shows ads; Two Second Math Quiz does not.

### Which is updated more often, Two Second Math Quiz or Sum Run?

Two Second Math Quiz ships an update every 3 months, and Sum Run every 2 months. Most recently, Two Second Math Quiz was updated on September 7, 2026 and Sum Run on May 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.*