# Fraction Flow vs NZB

The clearest difference is in-app purchases: Fraction Flow at none against NZB's 3. Fraction Flow also leads on update cadence (every 4 days vs every 3 weeks) and iOS requirement (12.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. NZB sells 3 one-off in-app purchases. Fraction Flow asks for nothing beyond the download.

Fraction Flow ships an update every 4 days, NZB every 3 weeks. The most recent releases landed on October 19, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Fraction Flow | NZB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 28 MB | 7 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Colani](https://appshunter.io/developer/1587899971) | [Jan Sallads](https://appshunter.io/developer/1092355347) |

## What reviewers say

### Fraction Flow

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

**Features:** macOS Compatibility

**In-app purchases:** none


### NZB

[App page](https://appshunter.io/ios/app/nzb-mule/id6761391456)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $3.99 | one-time |


## Frequently asked questions

### Is Fraction Flow free?

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

### Is NZB free?

NZB is free to download, with in-app purchases available.

### Do Fraction Flow or NZB have ads?

Neither Fraction Flow nor NZB shows ads.

### Which is updated more often, Fraction Flow or NZB?

Fraction Flow ships an update every 4 days, and NZB every 3 weeks. Most recently, Fraction Flow was updated on October 19, 2026 and NZB on October 7, 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.*