# Simple Habits! vs Cairn

The clearest difference is ads: Simple Habits! at none against Cairn's shown. Cairn's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Simple Habits! sells 1 one-off in-app purchase and Cairn sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Simple Habits! | Cairn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simple-habits/id6479581736/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 5 days |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 41 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [The Binary Kitchen, LLC](https://appshunter.io/developer/348779830) | [Heajung Yoo](https://appshunter.io/developer/1895444232) |

## What reviewers say

### Simple Habits!

[App page](https://appshunter.io/ios/app/simple-habits/id6479581736)

Easily build positive habits with a simple tap interface. Track your progress with current and longest streaks, and add notes to each entry for personalized reflection. This app helps you stay motivated on your journey to self-improvement.

**Highlights:** Add/remove entries with a tap, Add notes to entries, Track current streaks, Track longest streaks, Simple habit building

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Habits Pro | $3.99 | one-time |


### Cairn

[App page](https://appshunter.io/ios/app/cairn/id6767776784)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cairn Pro Monthly | $1.99 | per month |
| Cairn Pro yearly | $12.99 | per year |
| Cairn Pro - Ad-free forever | $0.99 | one-time |


## Frequently asked questions

### Is Simple Habits! free?

Simple Habits! is free to download, with in-app purchases available.

### Is Cairn free?

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

### Do Simple Habits! or Cairn have ads?

Cairn shows ads; Simple Habits! does not.

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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.*