Data Rhythm vs Focus One
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Data Rhythm
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Visualize Your Life Rhythm with Daily Data "DataRhythm" is an app that rhythmically records your daily health and lifestyle data to help you optimize your lifestyle. Do you have these concerns? Despite exercising regularly, your weight keeps going upβ¦ Youβre training hard, but your performance remains inconsistent during practice or important eventsβ¦ Youβre increasing your client visits in sales activities, yet the results are not showingβ¦ In such cases, recording your daily data with this app can reveal patterns and pinpoint causes. App Features Record various data points in one place, such as weight, steps, and visit counts Simple, rhythmic input makes daily tracking easy Visualize data trends through graphs Support rhythmical decision-making based on health and performance data By keeping track of "data" aligned with your daily life rhythm, you might uncover unexpected insights for improvement. Start using DataRhythm to bring rhythm to your life and enjoy a fulfilling daily routine! We welcome your feedback and suggestions!
Focus One
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Focus One is a simple focus timer for people who want to start one task, stay with it, and reduce mental clutter. Choose what you will do now, set a timer, and begin. The app keeps the screen quiet so you can return to the one thing in front of you. The settings screen lets you choose the app language, so the app can be localized to the language you select. Useful for study, work, Pomodoro-style sessions, ADHD-friendly routines, and building a visible focus record over time.
Screenshots
Verdict
The clearest difference is iOS requirement: Data Rhythm at 16.6 against Focus One's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Data Rhythm ships an update every 3 weeks, Focus One every 2 weeks. The most recent releases landed on October 9, 2026 and September 30, 2026 respectively.
| Parameter | Data Rhythm | Focus One |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 2 weeks β better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone | iPhone |
| Requires iOS | 16.6 β better | 18.0 |
| Further details β not scored | ||
| Size | 17 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Masaki Hayashi | BYNET |
In-app purchases
Data Rhythm
No in-app purchases
Focus One
No in-app purchases
Questions
Is Data Rhythm free?
Is Focus One free?
Do Data Rhythm or Focus One have ads?
Which is updated more often, Data Rhythm or Focus One?
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