# Nerdsweeper vs The Sum

The clearest difference is ads: Nerdsweeper at none against The Sum's shown. Nerdsweeper also leads on update cadence (every 9 days vs every 3 weeks). The Sum's advantage is iOS requirement (13.0 vs 15.1). On price, 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.

Nerdsweeper ships an update every 9 days, The Sum every 3 weeks. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Nerdsweeper | The Sum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Size | 35 MB | 144 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Magnus Debel-Hansen](https://appshunter.io/developer/1815374904) | [LIM SING CHYUAN](https://appshunter.io/developer/1825404821) |

## What reviewers say

### Nerdsweeper

[App page](https://appshunter.io/ios/app/nerdsweeper/id6754680933)

**Features:** macOS Compatibility

**In-app purchases:** none


### The Sum

[App page](https://appshunter.io/ios/app/the-sum-math-and-puzzle/id6757253249)

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

**In-app purchases:** none


## Frequently asked questions

### Is Nerdsweeper free?

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

### Is The Sum free?

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

### Do Nerdsweeper or The Sum have ads?

The Sum shows ads; Nerdsweeper does not.

### Which is updated more often, Nerdsweeper or The Sum?

Nerdsweeper ships an update every 9 days, and The Sum every 3 weeks. Most recently, Nerdsweeper was updated on October 14, 2026 and The Sum on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*