# Ultradian vs DeepFocus!

The clearest difference is in-app purchases: Ultradian at none against DeepFocus!'s 1. DeepFocus!'s advantage is update cadence (every 4 weeks vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. DeepFocus! sells 1 one-off in-app purchase. Ultradian asks for nothing beyond the download.

Ultradian ships an update every 5 months, DeepFocus! every 4 weeks. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Ultradian | DeepFocus! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (4 ratings)](https://appshunter.io/ios/app/ultradian/id1482130799/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 7 MB | 10 MB |
| Requires iOS | 17.5 | **16.1** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Katherine Gratale](https://appshunter.io/developer/1482130798) | [志文 李](https://appshunter.io/developer/1852909959) |

## What reviewers say

### Ultradian

[App page](https://appshunter.io/ios/app/ultradian/id1482130799)

Leverage your natural energy cycles for optimal task management and rest. This app analyzes biometric data to predict your ultradian rhythms, helping you schedule demanding activities during peak energy and breaks when needed.

**Highlights:** Analyze biometric data, Predict ultradian rhythms, Schedule peak task times, Schedule rest breaks, Connects to Apple Health

**Features:** macOS Compatibility

**In-app purchases:** none


### DeepFocus!

[App page](https://appshunter.io/ios/app/deepfocus/id6761233622)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Member | $2.99 | one-time |


## Frequently asked questions

### Is Ultradian free?

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

### Is DeepFocus! free?

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

### Do Ultradian or DeepFocus! have ads?

Neither Ultradian nor DeepFocus! shows ads.

### Which is updated more often, Ultradian or DeepFocus!?

Ultradian ships an update every 5 months, and DeepFocus! every 4 weeks. Most recently, Ultradian was updated on October 15, 2026 and DeepFocus! on October 8, 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.*