# Social Rhythms vs Biorhythmmm

The clearest difference is review sentiment: Biorhythmmm at 100% against Social Rhythms's 0%. Biorhythmmm also leads on rating (4.3 vs 4.1) and device support (3 vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

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

Biorhythmmm holds the better App Store score, 4.3 against 4.1. Both are backed by a comparable volume of ratings — 7 and 3 respectively. Written reviews point the same way: 0% of Social Rhythms's written reviews are positive against 100% of Biorhythmmm's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on July 18, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Social Rhythms | Biorhythmmm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (7 ratings)](https://appshunter.io/ios/app/social-rhythms/id1510826025/reviews) | **[4.3 (3 ratings)](https://appshunter.io/ios/app/biorhythmmm/id6737791240/reviews)** |
| Number of ratings | **7** | 3 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 3 MB | 23 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The University of Michigan](https://appshunter.io/developer/380339599) | [Nathan Cosgray](https://appshunter.io/developer/342122921) |

## What reviewers say

### Social Rhythms

[App page](https://appshunter.io/ios/app/social-rhythms/id1510826025)

This app analyzes how major life events affect your body's internal biological clock. It uses anonymous wearable data from Apple Health to provide customized reports on your circadian rhythm's disruption.

**Highlights:** Circadian rhythm tracking, Life event impact analysis, Wearable data integration, Customized reports, Anonymous data sharing, Research-backed insights

**In-app purchases:** none


### Biorhythmmm

[App page](https://appshunter.io/ios/app/biorhythmmm/id6737791240)

Visualize your personal biorhythm cycles with interactive graphs. Explore past and future trends to understand how intellectual, emotional, and physical cycles might influence your daily life. Add cycles for family and friends.

**Highlights:** Interactive biorhythm graphs, Past and future cycle exploration, Intellectual, emotional, and physical cycles, Support for secondary cycles, Add cycles for family and friends

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Social Rhythms free?

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

### Is Biorhythmmm free?

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

### Which has better reviews, Social Rhythms or Biorhythmmm?

Biorhythmmm is rated higher. Social Rhythms averages 4.1 out of 5 from 7 ratings, while Biorhythmmm averages 4.3 from 3 ratings.

### Do Social Rhythms or Biorhythmmm have ads?

Neither Social Rhythms nor Biorhythmmm shows ads.

### Which is updated more often, Social Rhythms or Biorhythmmm?

Social Rhythms ships an update every 2 months, and Biorhythmmm every 2 months. Most recently, Social Rhythms was updated on July 18, 2026 and Biorhythmmm on September 12, 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.*