# Dew vs Rhythmus

The clearest difference is in-app purchases: Rhythmus at none against Dew's 3. Rhythmus also leads on update cadence (every 2 days vs weekly) and iOS requirement (15.0 vs 18). On price, ads and device support there is nothing between them.

Both are free to download. Dew sells 3 in-app purchases, starting at $9.99 per month. Rhythmus asks for nothing beyond the download.

Dew ships an update weekly, Rhythmus every 2 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Dew | Rhythmus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/dew-private-period-tracker/id6773430496/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free | — |
| Size | 142 MB | 20 MB |
| Requires iOS | 18 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Abhishek Agarwal](https://appshunter.io/developer/1895695038) | [Patrick Sarpen](https://appshunter.io/developer/6804829454) |

## What reviewers say

### Dew

[App page](https://appshunter.io/ios/app/dew-private-period-tracker/id6773430496)

This app offers private cycle tracking with on-device predictions and Apple Health sync. It focuses on a calm user experience with minimal notifications and a privacy-first approach, keeping all data on your device.

**Highlights:** On-device cycle predictions, Lock Screen Live Activity, Home Screen widgets, Apple Health sync, Multi-profile support, Secure partner sharing

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dew Garden · Monthly | $9.99 | per month |
| Dew Garden · Yearly | $49.99 | per year |
| Dew + Moss · Yearly | $59.99 | per year |


### Rhythmus

[App page](https://appshunter.io/ios/app/rhythmus-cycle-syncing/id6804829452)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dew free?

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

### Is Rhythmus free?

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

### Do Dew or Rhythmus have ads?

Neither Dew nor Rhythmus shows ads.

### Which is updated more often, Dew or Rhythmus?

Dew ships an update weekly, and Rhythmus every 2 days. Most recently, Dew was updated on October 25, 2026 and Rhythmus on October 24, 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.*