# Rhythm Note vs SleepPlan

The clearest difference is price: SleepPlan at Free against Rhythm Note's $3.99. Rhythm Note's advantage is iOS requirement (15.3 vs 18.5). On ads, in-app purchases and device support there is nothing between them.

SleepPlan is free to download; Rhythm Note costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Rhythm Note | SleepPlan |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rhythm-note/id6743887073/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Paid | — |
| Size | 32 MB | 3 MB |
| Requires iOS | **15.3** | 18.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [嘉成 梁](https://appshunter.io/developer/1803830905) | [Guangdong Jianchuan Information Technology Co., Ltd](https://appshunter.io/developer/1822428404) |

## What reviewers say

### Rhythm Note

[App page](https://appshunter.io/ios/app/rhythm-note/id6743887073)

Track and analyze your physical, emotional, and intellectual cycles to make informed decisions. Offers personalized advice and data visualization based on scientific biorhythm theory. Supports multiple users and prioritizes local data storage for privacy.

**Highlights:** Calculate biorhythm indices, Visualize cycle trends, Personalized activity suggestions, Multi-user support, Local data storage, Trend prediction curves

**Features:** macOS Compatibility

**In-app purchases:** none


### SleepPlan

[App page](https://appshunter.io/ios/app/sleepplan/id6753208732)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rhythm Note free?

Rhythm Note costs $3.99, with no in-app purchases.

### Is SleepPlan free?

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

### Do Rhythm Note or SleepPlan have ads?

Neither Rhythm Note nor SleepPlan 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.*