# Numbers Sigma Puzzle vs Number Sum Up

The clearest difference is review sentiment: Number Sum Up at 100% against Numbers Sigma Puzzle's 0%. Number Sum Up also leads on rating (4.5 vs 1.0) and ads (none vs shown). Numbers Sigma Puzzle's advantage is in-app purchases (none vs 1) and iOS requirement (8.1 vs 12.0). On price and device support there is nothing between them.

Both are free to download. Number Sum Up sells 1 one-off in-app purchase. Numbers Sigma Puzzle asks for nothing beyond the download.

Number Sum Up holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Number Sum Up has 40 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Numbers Sigma Puzzle's written reviews are positive against 100% of Number Sum Up's.

Numbers Sigma Puzzle ships an update every 26 months, Number Sum Up every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Numbers Sigma Puzzle | Number Sum Up |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/numbers-sigma-puzzle/id1292171380/reviews) | **[4.5 (40 ratings)](https://appshunter.io/ios/app/number-sum-up-quick-math/id6502631525/reviews)** |
| Number of ratings | 1 | **40** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 26 months | **Every 3 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 67 MB | 197 MB |
| Requires iOS | **8.1** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ruslan Goncharenko](https://appshunter.io/developer/934710362) | [ALICE GAMES](https://appshunter.io/developer/1726187276) |

## What reviewers say

### Numbers Sigma Puzzle

[App page](https://appshunter.io/ios/app/numbers-sigma-puzzle/id1292171380)

A minimalistic math puzzle game where players must find the correct number combinations to solve grid-based challenges. Remove redundant numbers so that the sum of remaining numbers in each row and column matches the targets. Offers 5000 levels across various grid sizes.

**Highlights:** Minimalistic math puzzle gameplay, Find number combinations, Remove redundant numbers, Row and column sum matching, Lock numbers for easier solving, 5000 levels across 5 grid sizes

**Features:** macOS Compatibility

**In-app purchases:** none


### Number Sum Up

[App page](https://appshunter.io/ios/app/number-sum-up-quick-math/id6502631525)

Solve number puzzles by circling and erasing digits to make rows and columns add up to target sums. This game offers a clean design and varying difficulty levels to sharpen your mental math skills.

**Highlights:** Circle and erase numbers, Solve row and column sum puzzles, Multiple difficulty levels, Varying board sizes, Hint system, Clean and simple design

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is Numbers Sigma Puzzle free?

Numbers Sigma Puzzle is free to download, with no in-app purchases.

### Is Number Sum Up free?

Number Sum Up is free to download, with in-app purchases available.

### Which has better reviews, Numbers Sigma Puzzle or Number Sum Up?

Number Sum Up is rated higher. Numbers Sigma Puzzle averages 1.0 out of 5 from 1 ratings, while Number Sum Up averages 4.5 from 40 ratings.

### Do Numbers Sigma Puzzle or Number Sum Up have ads?

Numbers Sigma Puzzle shows ads; Number Sum Up does not.

### Which is updated more often, Numbers Sigma Puzzle or Number Sum Up?

Numbers Sigma Puzzle ships an update every 26 months, and Number Sum Up every 3 days. Most recently, Numbers Sigma Puzzle was updated on October 24, 2026 and Number Sum Up 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.*