# Rainbow Grid vs LogicSums

The clearest difference is update cadence: LogicSums at fortnightly against Rainbow Grid's every 4 months. On price, ads, 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.

Rainbow Grid ships an update every 4 months, LogicSums fortnightly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Rainbow Grid | LogicSums |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/logicsums/id6741501245/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | — | Ad-supported |
| Size | 13 MB | 100 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Out In Manchester Limited](https://appshunter.io/developer/1333728790) | [Skillshot Games LLC](https://appshunter.io/developer/1700568662) |

## What reviewers say

### Rainbow Grid

[App page](https://appshunter.io/ios/app/rainbow-grid-logic-game/id1333728791)

**Features:** macOS Compatibility

**In-app purchases:** none


### LogicSums

[App page](https://appshunter.io/ios/app/logicsums/id6741501245)

Engage in logic-based math puzzles by arranging numbers in a grid to meet target sums. This game offers endless challenges for brain training and mental workouts, perfect for puzzle enthusiasts.

**Highlights:** Logic-based math puzzles, Number arrangement in grids, Target sum matching, Limited guesses per puzzle, Win and streak tracking, Fastest solve time recording

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rainbow Grid free?

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

### Is LogicSums free?

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

### Do Rainbow Grid or LogicSums have ads?

Both Rainbow Grid and LogicSums show ads.

### Which is updated more often, Rainbow Grid or LogicSums?

Rainbow Grid ships an update every 4 months, and LogicSums fortnightly. Most recently, Rainbow Grid was updated on October 26, 2026 and LogicSums on October 24, 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.*