# Bal vs Vector Flow

The clearest difference is ads: Bal at none against Vector Flow's shown. Bal also leads on iOS requirement (15.0 vs 17.0). Vector Flow's advantage is update cadence (every 3 days vs every 9 days). 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.

Bal ships an update every 9 days, Vector Flow every 3 days. Both last shipped on October 17, 2026.

## The numbers

| Metric | Bal | Vector Flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 days | **Every 3 days** |
| Size | 2 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Steven Scott Kaye](https://appshunter.io/developer/1674338198) | [Simple Fun Software LP](https://appshunter.io/developer/1504976627) |

## What reviewers say

### Bal

[App page](https://appshunter.io/ios/app/bal-logic-puzzles/id6762559828)

**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 Bal free?

Bal 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 Bal or Vector Flow have ads?

Vector Flow shows ads; Bal does not.

### Which is updated more often, Bal or Vector Flow?

Bal ships an update every 9 days, and Vector Flow every 3 days. Most recently, Bal was updated on October 17, 2026 and Vector Flow on October 17, 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.*