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.
Biorhythm Calculator Simple
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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.
heart rate data read
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Biorhythm Calculator Simple | heart rate data read |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 months | Monthly — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 17 MB | 5 MB |
| Age rating | 4+ | 17+ |
| Developer | Kouji Yamauchi | YUTAKA IZUMIYAMA |
In-app purchases
Biorhythm Calculator Simple
No in-app purchases
heart rate data read
No in-app purchases
Questions
Is Biorhythm Calculator Simple free?
Is heart rate data read free?
Do Biorhythm Calculator Simple or heart rate data read have ads?
Which is updated more often, Biorhythm Calculator Simple or heart rate data read?
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