# Number Chain Math Puzzle vs Vector Flow

The clearest difference is ads: Number Chain Math Puzzle at none against Vector Flow's shown. Vector Flow's advantage is update cadence (every 3 days vs every 5 days) and iOS requirement (17.0 vs 26.2). On price, 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.

Number Chain Math Puzzle ships an update every 5 days, Vector Flow every 3 days. The most recent releases landed on September 11, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Number Chain Math Puzzle | Vector Flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 days | **Every 3 days** |
| Size | 21 MB | 6 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hitfire Production AB](https://appshunter.io/developer/1517601288) | [Simple Fun Software LP](https://appshunter.io/developer/1504976627) |

## What reviewers say

### Number Chain Math Puzzle

[App page](https://appshunter.io/ios/app/number-chain-math-puzzle/id6773796193)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Vector Flow

[App page](https://appshunter.io/ios/app/vector-flow-circuit-logic/id6778104944)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Number Chain Math Puzzle free?

Number Chain Math Puzzle is free to download, with no in-app purchases.

### Is Vector Flow free?

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

### Do Number Chain Math Puzzle or Vector Flow have ads?

Vector Flow shows ads; Number Chain Math Puzzle does not.

### Which is updated more often, Number Chain Math Puzzle or Vector Flow?

Number Chain Math Puzzle ships an update every 5 days, and Vector Flow every 3 days. Most recently, Number Chain Math Puzzle was updated on September 11, 2026 and Vector Flow on September 18, 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.*