# Numbers Sigma Puzzle vs Math Time

The clearest difference is update cadence: Math Time at every 3 weeks against Numbers Sigma Puzzle's every 26 months. Numbers Sigma Puzzle's advantage is iOS requirement (8.1 vs 13.0). 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.

Numbers Sigma Puzzle ships an update every 26 months, Math Time every 3 weeks. The most recent releases landed on October 24, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Numbers Sigma Puzzle | Math Time |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/numbers-sigma-puzzle/id1292171380/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 26 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 67 MB | 101 MB |
| Requires iOS | **8.1** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ruslan Goncharenko](https://appshunter.io/developer/934710362) | [Atif Mumtaz](https://appshunter.io/developer/875232775) |

## 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


### Math Time

[App page](https://appshunter.io/ios/app/math-time-math-cross-sudoku/id6502255646)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Numbers Sigma Puzzle free?

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

### Is Math Time free?

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

### Do Numbers Sigma Puzzle or Math Time have ads?

Both Numbers Sigma Puzzle and Math Time show ads.

### Which is updated more often, Numbers Sigma Puzzle or Math Time?

Numbers Sigma Puzzle ships an update every 26 months, and Math Time every 3 weeks. Most recently, Numbers Sigma Puzzle was updated on October 24, 2026 and Math Time on September 23, 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.*