# Biorhythm Chart vs Done On Time

The clearest difference is rating: Done On Time at 5.0 against Biorhythm Chart's 3.0. Done On Time also leads on update cadence (every 3 weeks vs every 12 months). Biorhythm Chart's advantage is iOS requirement (6.0 vs 17.0). On price, ratings volume, 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.

Done On Time holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Biorhythm Chart ships an update every 12 months, Done On Time every 3 weeks. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Biorhythm Chart | Done On Time |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/biorhythm-chart/id827754871/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/done-on-time/id1584659500/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 26 MB | 3 MB |
| Requires iOS | **6.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shane Clifford](https://appshunter.io/developer/850287078) | [Kurt Mackall](https://appshunter.io/developer/1015935803) |

## 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


### Done On Time

[App page](https://appshunter.io/ios/app/done-on-time/id1584659500)

This app helps manage your daily priorities, tasks, and projects. It acts as a personal productivity advisor, warning you about overloaded schedules and approaching deadlines. Organize your to-do list into a clear, actionable plan.

**Highlights:** Dynamic priority management, Task and project organization, Calendar overload warnings, Deadline proximity alerts, Personal productivity advisor, Clear focus identification

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Biorhythm Chart free?

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

### Is Done On Time free?

Done On Time is free to download, with no in-app purchases.

### Which has better reviews, Biorhythm Chart or Done On Time?

Done On Time is rated higher. Biorhythm Chart averages 3.0 out of 5 from 1 ratings, while Done On Time averages 5.0 from 1 ratings.

### Which is updated more often, Biorhythm Chart or Done On Time?

Biorhythm Chart ships an update every 12 months, and Done On Time every 3 weeks. Most recently, Biorhythm Chart was updated on November 4, 2026 and Done On Time 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.*