Comparison

Biorhythm Graph vs Flow

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

Head to head
About

Biorhythm Graph

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
Read full description

Display multiple person's biorhythm graph. Support Today Extension. Also supports AppleWatch app, Granse, Complication.

About

Flow

Features
Read full description

In today's fast-paced world, it's easy to get overwhelmed by distractions and lose focus. Flow: Focus Training is your personal brain trainer, designed to help you sharpen your focus, clear your mind, and enhance your concentration skills. GET ALERT AND FOCUSED Engage in fast-paced exercises that demand your full attention and quick reflexes. It's like a high-intensity workout for your brain, helping you get into an alert and focused state. CLEAR YOUR MIND When you have too much on your mind, it can be difficult to concentrate. Flow: Focus Training offers a collection of exercises that help you declutter your mind and prepare for work or studies. TRAIN YOUR FOCUS Treat your mind like a muscle and train it to focus better with Flow. With regular use, Flow: Focus Training can help you improve your overall ability to focus and concentrate. You'll find yourself able to stay on task, resist distractions, and achieve your goals more efficiently. KEY FEATURES Enhance your focus and concentration with four engaging brain training games. Choose your preferred exercise duration from 30 seconds to 5 minutes in each game. Track your progress and challenge yourself with the top 25 list of scores in each game. Enjoy the app in light mode or dark mode! WHO IS IT FOR? Flow: Focus Training is designed for anyone who wants to improve their focus, concentration, and productivity. Whether you're a knowledge worker who needs to stay focused on complex tasks, a student who needs to concentrate during exams, an athlete who needs to be mentally sharp during competitions, or a gamer who wants to enhance their reaction time, Flow can help you achieve your goals. ENJOY FLOW EITHOUT ADS Flow offers flexible plans to suit your needs, whether you're a student, a professional, or anyone seeking to enhance their focus. Sign up is not required, and all games are free to play. You may encounter occasional ads before starting exercises. For a seamless and ad-free experience, consider upgrading to Flow+. A single payment without recurring fees grants you lifetime access to Flow+.

Screenshots

Biorhythm Graph4 screens
Flow4 screens

Verdict

The call

The clearest difference is price: Flow at Free against Biorhythm Graph's $0.99. Flow also leads on iOS requirement (15.0 vs 17.0). Biorhythm Graph's advantage is in-app purchases (none vs 3) and ads (none vs shown). On update cadence and device support 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

Flow is free to download; Biorhythm Graph costs $0.99 up front. Flow sells 3 in-app purchases, starting at $2.99 per month. Biorhythm Graph asks for nothing beyond the download.

UpkeepUpdate frequency

Biorhythm Graph ships an update every 6 months, Flow every 9 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
Biorhythm Graph versus Flow: the parameters behind the verdict, then further details
ParameterBiorhythm GraphFlow
Price$0.99Free — better
Rating5.0 (1 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 months — betterEvery 9 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS17.015.0 — better
Further details — not scored
Size11 MB8 MB
Age rating4+4+
DeveloperShuji FukumotoNano Digital Helsinki Oy

In-app purchases

None

Biorhythm Graph

No in-app purchases

3 purchases

Flow

Subscriptions2
  • Flow+ Subscription One Month$2.991 Month
  • Flow+ Subscription One Year$19.991 Year
One-time1
  • Flow+ Lifetime$9.99

Questions

Is Biorhythm Graph free?
Biorhythm Graph costs $0.99, with no in-app purchases.
Is Flow free?
Flow is free to download, with in-app purchases available.
Do Biorhythm Graph or Flow have ads?
Flow shows ads; Biorhythm Graph does not.
Which is updated more often, Biorhythm Graph or Flow?
Biorhythm Graph ships an update every 6 months, and Flow every 9 months. Most recently, Biorhythm Graph was updated on October 29, 2026 and Flow on October 30, 2026.

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