Comparison

Biorhythm Chart vs Done On Time

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Biorhythm Chart

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
Read full description

► A biorhythm is an attempt to predict various aspects of a person's life through simple mathematical cycles. Most scientists believe that the idea has no more predictive power than raw chance and consider the concept an example of pseudoscience. ► “Biorhythm Chart” application Calculate your biorhythms: - Physical cycle (lasts 23 days) affects physical fitness, strength and stamina - Emotional cycle (lasts 28 days) affects mood, emotions, perception and creativity - Intellectual cycle (lasts 33 days) affects thinking, learning, memory, communication, logic and analytical abilities - Intuitive cycle with 38 days period affects the ability to predict and the decision making ability - Aesthetic cycle with 43 days period affects creativity and creative skills - Spiritual cycle (psychic, spiritual) has a period of 53 days and affects the perception and the personal relationship to what exceeds a person: to God ► The interface is incredibly simple to use, yet powerful and attractive, compatible with iPod, iPhone, iPad and iPad Mini.  ► Please send us your questions, suggestions and comments about the application. Any other feedback, comments, and other communications should be directed to mobile510.contact@gmail.com. Thank you! –––––––––––––––––– Mobile510 – “Good - Better - Best” Email: mobile510.contact@gmail.com Website: http://mobile510.com Facebook: http://www.facebook.com/mobile510 App Store: https://itunes.apple.com/artist/id966433093

About

Done On Time

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
Read full description

Done On Time — Take Control of Your Priorities Isn’t it time to use a schedule and task management tool that can finally handle the real complexities of your day? If your priorities are always shifting, meetings fill your calendar, and deadlines sneak up before you’re ready, Done On Time is here to help. You’ll love Done On Time if you’ve ever felt like: • Your priorities change constantly and keeping track of what matters most feels impossible • Your calendar is packed with meetings, leaving no room for actual work • You say “yes” to new tasks without knowing when you’ll get them done • You’re unsure which of your assignments should come first • Your projects are full of moving parts — people, deadlines, dependencies — and you just want a clear picture of who’s doing what Meet your personal Productivity Advisor Done On Time doesn’t just store your tasks — it thinks with you.
It automatically tracks your meetings, projects, and tasks, warning you when: • A deadline is in danger • Your calendar is overloaded • Work you planned to complete won’t fit into your actual schedule With Done On Time, you can finally balance meetings, deadlines, and priorities — without the chaos. Turn your messy to-do list into a plan that works Throw away that pad of paper.
Done On Time helps you organize everything — what’s due, when to work on it, and what’s most important — so you always know exactly what to focus on next. Get the right stuff done, on time. Every time.

Screenshots

Biorhythm Chart2 screens
Done On Time4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Biorhythm Chart versus Done On Time: the parameters behind the verdict, then further details
ParameterBiorhythm ChartDone On Time
PriceFreeFree
Rating3.0 (1 ratings)5.0 (1 ratings) — better
Positive reviews20.0% of reviews—
Number of ratings11
Update frequencyEvery 12 monthsEvery 3 weeks — better
AdsNo—
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS6.0 — better17.0
Further details — not scored
Size26 MB3 MB
Age rating4+4+
DeveloperShane CliffordKurt Mackall

Customer experience

Biorhythm Chart

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews5 reviews
Positive20.0%
Neutral60.0%
Negative20.0%

Done On Time

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Biorhythm Chart

No in-app purchases

None

Done On Time

No in-app purchases

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.

Other comparisons