# Ruby Rhythm vs NapBest

Ruby Rhythm and NapBest are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Ruby Rhythm | NapBest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ruby-rhythm/id6502735923/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Free | — |
| Size | 3 MB | 1 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vampire Squids LLC](https://appshunter.io/developer/1693677900) | [Chomps, LLC](https://appshunter.io/developer/1883157734) |

## What reviewers say

### Ruby Rhythm

[App page](https://appshunter.io/ios/app/ruby-rhythm/id6502735923)

This app offers a unique approach to period tracking by integrating Traditional Chinese Medicine (TCM) principles. It helps users understand their cycle phases, energy levels, mood, and overall well-being with a user-friendly interface and cute animal illustrations.

**Highlights:** Period and cycle tracking, Traditional Chinese Medicine integration, Cycle phase identification (Inner Winter, Spring, Summer, Autumn), Insights into energy, mood, and well-being, User-friendly interface, Data privacy: local storage, no sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### NapBest

[App page](https://appshunter.io/ios/app/napbest/id6760725859)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ruby Rhythm free?

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

### Is NapBest free?

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

### Do Ruby Rhythm or NapBest have ads?

Neither Ruby Rhythm nor NapBest 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.*