Comparison

Biorhythm Calculator Simple vs heart rate data read

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

Head to head
About

Biorhythm Calculator Simple

Features
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It is a biorhythm calculation app that can easily calculate and display the biorhythm from the date of birth and the reference date. In "Biorhythm Calculator", select the date of birth, select the date you want to check, and click the "Calculate" button to display the biorhythm before and after the base date in a graph. The values ​​of "Physical", "Emotional", and "Intellectual" of the day you want to check are also displayed. "Biorhythm Compatibility" displays the compatibility in a graph based on the biorhythms of the two people. Any number of people can register their date of birth, so you can easily call and change it when displaying the biorhythm. You can also change how many days ago to how many days later the graph will be displayed.

About

heart rate data read

Features
Read full description

This app displays a list of heart rate data obtained from your health app Recommended for those who want to view and check their heart rate charts. * Steps to obtain heart rate data from your health app: 1. Allow access to your health app data. 2. Press the "Get Data" button. 3. Select the date and press OK. 4. Confirm the message "Heart rate data acquisition complete." 【Terms of Use】 This app complies with the Apple Standard Terms of Use (EULA). Please refer to the link below for details: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Biorhythm Calculator Simple4 screens
heart rate data read4 screens

Verdict

The call

The clearest difference is update cadence: heart rate data read at monthly against Biorhythm Calculator Simple's every 10 months. Biorhythm Calculator Simple's advantage is iOS requirement (13.0 vs 18.6). On price, ads, in-app purchases 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

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

UpkeepUpdate frequency

Biorhythm Calculator Simple ships an update every 10 months, heart rate data read monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 4 level
Biorhythm Calculator Simple versus heart rate data read: the parameters behind the verdict, then further details
ParameterBiorhythm Calculator Simpleheart rate data read
PriceFreeFree
Update frequencyEvery 10 monthsMonthly — better
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.6
Further details — not scored
Size17 MB5 MB
Age rating4+17+
DeveloperKouji YamauchiYUTAKA IZUMIYAMA

In-app purchases

None

Biorhythm Calculator Simple

No in-app purchases

None

heart rate data read

No in-app purchases

Questions

Is Biorhythm Calculator Simple free?
Biorhythm Calculator Simple is free to download, with no in-app purchases.
Is heart rate data read free?
heart rate data read is free to download, with no in-app purchases.
Do Biorhythm Calculator Simple or heart rate data read have ads?
Both Biorhythm Calculator Simple and heart rate data read show ads.
Which is updated more often, Biorhythm Calculator Simple or heart rate data read?
Biorhythm Calculator Simple ships an update every 10 months, and heart rate data read monthly. Most recently, Biorhythm Calculator Simple was updated on November 3, 2026 and heart rate data read on October 31, 2026.

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