# LogiBrain Network vs Sum

The clearest difference is in-app purchases: Sum at none against LogiBrain Network's 1. Sum also leads on ads (none vs shown) and update cadence (weekly vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. LogiBrain Network sells 1 one-off in-app purchase. Sum asks for nothing beyond the download.

LogiBrain Network ships an update every 3 weeks, Sum weekly. The most recent releases landed on September 24, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | LogiBrain Network | Sum |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Free |
| Size | 26 MB | 28 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Van Rooijen](https://appshunter.io/developer/1019316881) | [Allen Kagle](https://appshunter.io/developer/1834971754) |

## What reviewers say

### LogiBrain Network

[App page](https://appshunter.io/ios/app/logibrain-network/id1499207208)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $4.99 | one-time |


### Sum

[App page](https://appshunter.io/ios/app/sum-squares/id6751417676)

A logic puzzle game where players fill in missing squares to match row and column totals. It offers various modes like Standard, Time Attack, and Grid Blitz, suitable for casual play or skill sharpening.

**Highlights:** Fill missing squares to match totals, Standard mode with adjustable difficulty, Time Attack mode against the clock, Grid Blitz mode for speed and accuracy, Sharpen quick addition skills, Suitable for all ages

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LogiBrain Network free?

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

### Is Sum free?

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

### Do LogiBrain Network or Sum have ads?

LogiBrain Network shows ads; Sum does not.

### Which is updated more often, LogiBrain Network or Sum?

LogiBrain Network ships an update every 3 weeks, and Sum weekly. Most recently, LogiBrain Network was updated on September 24, 2026 and Sum on June 4, 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.*