# PuchCalc vs Fraction Flow

The clearest difference is ads: Fraction Flow at none against PuchCalc's shown. Fraction Flow also leads on update cadence (every 4 days vs monthly) and iOS requirement (12.0 vs 14.1). 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.

PuchCalc ships an update monthly, Fraction Flow every 4 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | PuchCalc | Fraction Flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 4 days** |
| Size | 5 MB | 28 MB |
| Requires iOS | 14.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jutaro Kimura](https://appshunter.io/developer/1380042044) | [John Colani](https://appshunter.io/developer/1587899971) |

## What reviewers say

### PuchCalc

[App page](https://appshunter.io/ios/app/puchcalc/id1561308080)

**Features:** Vision Pro support

**In-app purchases:** none


### Fraction Flow

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PuchCalc free?

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

### Is Fraction Flow free?

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

### Do PuchCalc or Fraction Flow have ads?

PuchCalc shows ads; Fraction Flow does not.

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

PuchCalc ships an update monthly, and Fraction Flow every 4 days. Most recently, PuchCalc was updated on October 25, 2026 and Fraction Flow on October 25, 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.*