# Atomic Calendar vs Better Keep Notes

The clearest difference is in-app purchases: Atomic Calendar at none against Better Keep Notes's 2. Better Keep Notes's advantage is update cadence (every 4 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Better Keep Notes sells 2 in-app purchases, starting at $2.99 per month. Atomic Calendar asks for nothing beyond the download.

Atomic Calendar ships an update every 4 months, Better Keep Notes every 4 days. The most recent releases landed on September 30, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Atomic Calendar | Better Keep Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Size | 79 MB | 54 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 12+ |
| Developer | [Brandon Guigo](https://appshunter.io/developer/1772643694) | [Foxbiz Software Private Limited](https://appshunter.io/developer/1879446516) |

## What reviewers say

### Atomic Calendar

[App page](https://appshunter.io/ios/app/atomic-calendar/id6757757656)

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

**In-app purchases:** none


### Better Keep Notes

[App page](https://appshunter.io/ios/app/better-keep-notes/id6759548198)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Better Keep Pro Monthly | $2.99 | per month |
| Better Keep Pro Yearly | $20.99 | per year |


## Frequently asked questions

### Is Atomic Calendar free?

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

### Is Better Keep Notes free?

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

### Do Atomic Calendar or Better Keep Notes have ads?

Neither Atomic Calendar nor Better Keep Notes shows ads.

### Which is updated more often, Atomic Calendar or Better Keep Notes?

Atomic Calendar ships an update every 4 months, and Better Keep Notes every 4 days. Most recently, Atomic Calendar was updated on September 30, 2026 and Better Keep Notes on September 17, 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.*