# Memomium vs Atomic Notes

The clearest difference is in-app purchases: Memomium at none against Atomic Notes's 2. Memomium also leads on update cadence (every 2 days vs monthly). Atomic Notes's advantage is iOS requirement (13.0 vs 17.4). On price, ads and device support there is nothing between them.

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

Memomium ships an update every 2 days, Atomic Notes monthly. The most recent releases landed on September 11, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Memomium | Atomic Notes |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Monthly |
| Monetization | Free | — |
| Size | 2 MB | 77 MB |
| Requires iOS | 17.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Heung Ju Ha](https://appshunter.io/developer/1738866383) | [Brandon Guigo](https://appshunter.io/developer/1772643694) |

## What reviewers say

### Memomium

[App page](https://appshunter.io/ios/app/memomium/id6523430124)

A streamlined digital notebook focused on simplicity, security, and style. It offers a distraction-free writing environment with end-to-end encryption and customizable day/night modes. Notes can be synced across Apple devices.

**Highlights:** Minimalist design, End-to-end encryption, Day and night modes, iCloud sync, Distraction-free writing

**Features:** macOS Compatibility

**In-app purchases:** none


### Atomic Notes

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

**Features:** macOS Compatibility

**In-app purchases (2)**

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


## Frequently asked questions

### Is Memomium free?

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

### Is Atomic Notes free?

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

### Do Memomium or Atomic Notes have ads?

Neither Memomium nor Atomic Notes shows ads.

### Which is updated more often, Memomium or Atomic Notes?

Memomium ships an update every 2 days, and Atomic Notes monthly. Most recently, Memomium was updated on September 11, 2026 and Atomic Notes on September 18, 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.*