# Biorhythm Chart vs Airia Chat

The clearest difference is rating: Airia Chat at 5.0 against Biorhythm Chart's 3.0. Airia Chat also leads on update cadence (every 9 days vs every 12 months) and ratings volume (8 vs 1). Biorhythm Chart's advantage is iOS requirement (6.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Airia Chat holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: Airia Chat has 8 ratings behind it against 1, so its average is the more settled of the two.

Biorhythm Chart ships an update every 12 months, Airia Chat every 9 days. The most recent releases landed on October 21, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Biorhythm Chart | Airia Chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/biorhythm-chart/id827754871/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/airia-chat/id6670690726/reviews)** |
| Number of ratings | 1 | **8** |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 26 MB | 45 MB |
| Requires iOS | **6.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shane Clifford](https://appshunter.io/developer/850287078) | [Airia](https://appshunter.io/developer/1734135266) |

## What reviewers say

### Biorhythm Chart

[App page](https://appshunter.io/ios/app/biorhythm-chart/id827754871)

This application calculates various personal cycles, including physical, emotional, intellectual, intuitive, aesthetic, and spiritual, based on mathematical formulas. It offers a simple yet attractive interface for users to track these potential influences on their lives.

**Highlights:** Physical cycle calculation, Emotional cycle calculation, Intellectual cycle calculation, Intuitive cycle calculation, Aesthetic cycle calculation, Spiritual cycle calculation, Simple and attractive interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Airia Chat

[App page](https://appshunter.io/ios/app/airia-chat/id6670690726)

This app streamlines workflows with AI-powered chat and advanced document management. Organize, search, and retrieve documents with intelligent tagging, and engage in dynamic conversations with an AI that understands context. It ensures data security with strict privacy controls and offers cross-platform synchronization.

**Highlights:** AI-powered contextual chat, Advanced document organization, AI-enhanced document search, Secure and private data handling, Cross-platform synchronization, Streamlined workflow automation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Biorhythm Chart free?

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

### Is Airia Chat free?

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

### Which has better reviews, Biorhythm Chart or Airia Chat?

Airia Chat is rated higher. Biorhythm Chart averages 3.0 out of 5 from 1 ratings, while Airia Chat averages 5.0 from 8 ratings.

### Do Biorhythm Chart or Airia Chat have ads?

Neither Biorhythm Chart nor Airia Chat shows ads.

### Which is updated more often, Biorhythm Chart or Airia Chat?

Biorhythm Chart ships an update every 12 months, and Airia Chat every 9 days. Most recently, Biorhythm Chart was updated on October 21, 2026 and Airia Chat on October 16, 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.*