# Compound3 vs Form & Flow

The clearest difference is ads: Form & Flow at none against Compound3's shown. Compound3's advantage is update cadence (every 4 weeks vs every 12 months) and iOS requirement (13.0 vs 15.6). 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.

Compound3 ships an update every 4 weeks, Form & Flow every 12 months. The most recent releases landed on September 21, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Compound3 | Form & Flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 weeks** | Every 12 months |
| Size | 70 MB | 32 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Compound 3 Pty Ltd](https://appshunter.io/developer/1779184417) | [Form & Flow Pilates Pty Ltd](https://appshunter.io/developer/1655336891) |

## What reviewers say

### Compound3

[App page](https://appshunter.io/ios/app/compound3/id1524174208)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Form & Flow

[App page](https://appshunter.io/ios/app/form-and-flow/id6444563166)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Compound3 free?

Compound3 is free to download, with no in-app purchases.

### Is Form & Flow free?

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

### Do Compound3 or Form & Flow have ads?

Compound3 shows ads; Form & Flow does not.

### Which is updated more often, Compound3 or Form & Flow?

Compound3 ships an update every 4 weeks, and Form & Flow every 12 months. Most recently, Compound3 was updated on September 21, 2026 and Form & Flow on September 16, 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.*