# Fraction Flow vs Dark Digits

The clearest difference is update cadence: Fraction Flow at every 4 days against Dark Digits's every 2 months. Fraction Flow also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.6). On price, 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.

Fraction Flow ships an update every 4 days, Dark Digits every 2 months. The most recent releases landed on September 15, 2026 and August 18, 2026 respectively.

## The numbers

| Metric | Fraction Flow | Dark Digits |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Size | 28 MB | 4 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [John Colani](https://appshunter.io/developer/1587899971) | [YMMV](https://appshunter.io/developer/1224453829) |

## What reviewers say

### Fraction Flow

[App page](https://appshunter.io/ios/app/fraction-flow/id6742278209)

**Features:** macOS Compatibility

**In-app purchases:** none


### Dark Digits

[App page](https://appshunter.io/ios/app/dark-digits/id6744330793)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fraction Flow free?

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

### Is Dark Digits free?

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

### Do Fraction Flow or Dark Digits have ads?

Neither Fraction Flow nor Dark Digits shows ads.

### Which is updated more often, Fraction Flow or Dark Digits?

Fraction Flow ships an update every 4 days, and Dark Digits every 2 months. Most recently, Fraction Flow was updated on September 15, 2026 and Dark Digits on August 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.*