# Rhythm vs Zeph

The clearest difference is in-app purchases: Rhythm at none against Zeph's 2. Rhythm also leads on ratings volume (8 vs 1) and device support (3 vs 1). On price, rating and ads there is nothing between them.

Both are free to download. Zeph sells 2 in-app purchases, starting at $4.99 per month. Rhythm asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Rhythm against 5.0 for Zeph. That said, the two scores are not equally well evidenced: Rhythm has 8 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Rhythm | Zeph |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (8 ratings)](https://appshunter.io/ios/app/rhythm-cycle-tracker/id6758592716/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/zeph-weather-coach/id6760669028/reviews) |
| Number of ratings | **8** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | — |
| Monetization | **Free** | Freemium |
| Size | 46 MB | 7 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [JASMINE SUZANNE GRANAS](https://appshunter.io/developer/6781012449) | [Entropy Logic LLC](https://appshunter.io/developer/1885620362) |

## What reviewers say

### Rhythm

[App page](https://appshunter.io/ios/app/rhythm-cycle-tracker/id6758592716)

This app tracks nine micro-phases of your cycle, offering personalized daily insights based on your journal entries and AI analysis. It also provides optional partner sharing and tailored wellness content for each phase.

**Highlights:** Nine micro-phase cycle tracking, AI-driven personalized insights, Daily journaling with mood analysis, Optional partner sharing, Tailored wellness content cards, Three distinct usage modes

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

**In-app purchases:** none


### Zeph

[App page](https://appshunter.io/ios/app/zeph-weather-coach/id6760669028)

This app provides a daily score out of 10 to indicate the optimal time for outdoor training. It analyzes weather conditions and identifies the best hours for your chosen activity, offering clear recommendations without overwhelming data.

**Highlights:** Daily training score (1-10), Identifies optimal training window, Tailors recommendations to preferred sport, Home and lock screen widgets, Early Window Alerts, No account or login required, Privacy-focused, data stays on device

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Annual | $39.99 | per year |


## Frequently asked questions

### Is Rhythm free?

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

### Is Zeph free?

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

### Which has better reviews, Rhythm or Zeph?

Rhythm and Zeph are both rated 5.0 out of 5 on the App Store, from 8 and 1 ratings respectively.

### Do Rhythm or Zeph have ads?

Neither Rhythm nor Zeph shows ads.

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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.*