# Calcudoku vs LogicSums

The clearest difference is rating: Calcudoku at 5.0 against LogicSums's 4.5. LogicSums's advantage is update cadence (fortnightly vs monthly) and iOS requirement (13.0 vs 15.1). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Calcudoku holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Calcudoku ships an update monthly, LogicSums fortnightly. The most recent releases landed on October 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Calcudoku | LogicSums |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/calcudoku-griddle-games/id6447776098/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/logicsums/id6741501245/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Ad-supported | Ad-supported |
| Size | 22 MB | 100 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pixel Forge LLC](https://appshunter.io/developer/1682619069) | [Skillshot Games LLC](https://appshunter.io/developer/1700568662) |

## What reviewers say

### Calcudoku

[App page](https://appshunter.io/ios/app/calcudoku-griddle-games/id6447776098)

Engage your mind with mathematical challenges and addictive puzzle-solving fun. This app offers multiple grid sizes and uses all four basic arithmetic operations. Its intuitive design and offline play make it perfect for brain workouts anytime, anywhere.

**Highlights:** Multiple grid sizes (4x4, 5x5, 6x6), Addition, subtraction, multiplication, and division, Intuitive and minimalistic design, Offline play support, Engaging math puzzles

**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 Calcudoku free?

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

### Is LogicSums free?

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

### Which has better reviews, Calcudoku or LogicSums?

Calcudoku is rated higher. Calcudoku averages 5.0 out of 5 from 4 ratings, while LogicSums averages 4.5 from 2 ratings.

### Do Calcudoku or LogicSums have ads?

Both Calcudoku and LogicSums show ads.

### Which is updated more often, Calcudoku or LogicSums?

Calcudoku ships an update monthly, and LogicSums fortnightly. Most recently, Calcudoku was updated on October 1, 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.*