Social Rhythms vs Biorhythmmm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Social Rhythms
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.
- Circadian rhythm tracking
- Life event impact analysis
- Wearable data integration
- Customized reports
- Anonymous data sharing
- Research-backed insights
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Changing seasons, work schedule changes, welcoming a child, and other major life events can disrupt our internal biological timekeeping. This timekeeping controls sleep, metabolism, mood, fatigue, and even immune function. The Social Rhythms app uses data shared anonymously from wearables through Apple Health with research developed at the University of Michigan to customize reports on how life events have impacted your daily (circadian) clock or if your circadian timekeeping is disrupted.
Biorhythmmm
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.
- Interactive biorhythm graphs
- Past and future cycle exploration
- Intellectual, emotional, and physical cycles
- Support for secondary cycles
- Add cycles for family and friends
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Explore your biorhythm cycles with Biorhythmmm, a 100% free app with no ads. Biorhythmmm displays your personal biorhythms in a simple chart. Look into the past or future to see how your biorhythms could affect your daily life. You can also add biorhythms for your family or friends. What are biorhythms? Biorhythms are natural cycles that influence the states of our minds and bodies. The three primary cycles are: * Intellectual cycle influencing mental clarity and concentration * Emotional cycle governing mood and emotional stability * Physical cycle affecting strength and energy The app also includes support for four other secondary cycles.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Social Rhythms | Biorhythmmm |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (7 ratings) | 4.3 (3 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 7 — better | 3 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | The University of Michigan | Nathan Cosgray |
Customer experience
Social Rhythms
Biorhythmmm
In-app purchases
Social Rhythms
No in-app purchases
Biorhythmmm
No in-app purchases
Questions
Is Social Rhythms free?
Is Biorhythmmm free?
Which has better reviews, Social Rhythms or Biorhythmmm?
Do Social Rhythms or Biorhythmmm have ads?
Which is updated more often, Social Rhythms or Biorhythmmm?
Other comparisons
