# Atomic Notes vs Three Little Things

The clearest difference is in-app purchases: Three Little Things at none against Atomic Notes's 2. Atomic Notes's advantage is update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Atomic Notes sells 2 in-app purchases, starting at $3.99 per month. Three Little Things asks for nothing beyond the download.

Atomic Notes ships an update every 2 weeks, Three Little Things monthly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Atomic Notes | Three Little Things |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 68 MB | 34 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brandon Guigo](https://appshunter.io/developer/1772643694) | [Sasa Kolda](https://appshunter.io/developer/1673557983) |

## What reviewers say

### Atomic Notes

[App page](https://appshunter.io/ios/app/atomic-notes/id6747767868)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cloud Monthly | $3.99 | per month |
| Cloud Yearly | $34.99 | per year |


### Three Little Things

[App page](https://appshunter.io/ios/app/three-little-things/id6752028768)

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

**In-app purchases:** none


## Frequently asked questions

### Is Atomic Notes free?

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

### Is Three Little Things free?

Three Little Things is free to download, with no in-app purchases.

### Do Atomic Notes or Three Little Things have ads?

Neither Atomic Notes nor Three Little Things shows ads.

### Which is updated more often, Atomic Notes or Three Little Things?

Atomic Notes ships an update every 2 weeks, and Three Little Things monthly. Most recently, Atomic Notes was updated on October 28, 2026 and Three Little Things 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.*