# Biorhythm Graph vs Flamingo Readiness

Biorhythm Graph and Flamingo Readiness both sit at 5.0 stars, but that hides the real split: 100% of Flamingo Readiness's written reviews are positive against 33% of Biorhythm Graph's. Flamingo Readiness also leads on price (Free vs $0.99) and ratings volume (7 vs 1). On rating, update cadence, ads and in-app purchases there is nothing between them.

Flamingo Readiness is free to download; Biorhythm Graph costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Biorhythm Graph against 5.0 for Flamingo Readiness. That said, the two scores are not equally well evidenced: Flamingo Readiness has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 33% of Biorhythm Graph's written reviews are positive against 100% of Flamingo Readiness's.

Biorhythm Graph ships an update every 6 months, Flamingo Readiness every 5 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Biorhythm Graph | Flamingo Readiness |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/biorhythm-graph/id893875754/reviews) | [5.0 (7 ratings)](https://appshunter.io/ios/app/flamingo-readiness/id1604012914/reviews) |
| Number of ratings | 1 | **7** |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | Paid | **Free** |
| Size | 11 MB | 3 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shuji Fukumoto](https://appshunter.io/developer/286423439) | [Gianluca Capraro](https://appshunter.io/developer/1691787728) |

## What reviewers say

### Biorhythm Graph

[App page](https://appshunter.io/ios/app/biorhythm-graph/id893875754)

Visualize personal biorhythm cycles with detailed graphs. Supports integration with Today Extension and Apple Watch for convenient access. Track multiple individuals' cycles easily.

**Highlights:** Display multiple biorhythm graphs, Support Today Extension, Apple Watch app support, Complication support, Granse support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Flamingo Readiness

[App page](https://appshunter.io/ios/app/flamingo-readiness/id1604012914)

Understand your health trends and recovery with a personal readiness score. This app uses your Apple Watch data to track heart rate, HRV, and sleep, providing simple charts to visualize your progress.

**Highlights:** Personal readiness score, HealthKit integration, Heart rate tracking, Sleep analysis, Heart Rate Variability (HRV) monitoring, Simple trend visualization

**In-app purchases:** none


## Frequently asked questions

### Is Biorhythm Graph free?

Biorhythm Graph costs $0.99, with no in-app purchases.

### Is Flamingo Readiness free?

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

### Which has better reviews, Biorhythm Graph or Flamingo Readiness?

Biorhythm Graph and Flamingo Readiness are both rated 5.0 out of 5 on the App Store, from 1 and 7 ratings respectively.

### Do Biorhythm Graph or Flamingo Readiness have ads?

Neither Biorhythm Graph nor Flamingo Readiness shows ads.

### Which is updated more often, Biorhythm Graph or Flamingo Readiness?

Biorhythm Graph ships an update every 6 months, and Flamingo Readiness every 5 months. Most recently, Biorhythm Graph was updated on November 6, 2026 and Flamingo Readiness on November 3, 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.*