Biorhythm Calculator Simple vs Biladai
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.
Biladai
Discover daily moments of awe and insight into the Creator's intelligence, presented through nature's wonders. Tailor your experience by mood or category, and receive daily reminders to inspire reflection and action.
- Daily posts across six categories
- Mood-based content navigation
- Browse by category or surprise me
- Daily reminder notifications
- Personalized user experience
- Multiple color themes
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What if the key to happiness was closer than you think? Biladai delivers one short, meaningful moment each day — a window into the Creator's extraordinary intelligence, hidden in plain sight all around us. A shark that hunts with precision. A fly with 4,000 lenses in each eye. The human heartbeat that never stops. These aren't accidents — they're the fingerprints of a Creator who put extraordinary thought into every detail of His creation. Biladai calls this Authentic Intelligence — the original AI. Tell us how you're feeling and we'll find the right post for your mood. Feeling good? Channel it into action. Feeling down? Let something beautiful distract you. Feeling grateful? Go deeper. One post. One moment. One step closer. Features: • Daily posts across six categories • Mood-based navigation • Browse by category or get surprised • Daily reminder notifications • Personalized experience • Multiple color themes • Free 2 month trial Premium: $2.99/month or $24.99/year after the 2-month free trial. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple ID settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://biladai.com/privacy-policy
Screenshots
Verdict
The clearest difference is in-app purchases: Biorhythm Calculator Simple at none against Biladai's 2. Biorhythm Calculator Simple also leads on iOS requirement (13.0 vs 16.4). Biladai's advantage is ads (none vs shown) and update cadence (every 5 days vs every 10 months). On price 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. Biladai sells 2 in-app purchases, starting at $2.99 per month. Biorhythm Calculator Simple asks for nothing beyond the download.
Biorhythm Calculator Simple ships an update every 10 months, Biladai every 5 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | Biorhythm Calculator Simple | Biladai |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 10 months | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 17 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Kouji Yamauchi | Levi Blumenfeld |
In-app purchases
Biorhythm Calculator Simple
No in-app purchases
Biladai
- Biladai Premium2 Months trial$2.991 Month
- Biladai Premium2 Months trial$24.991 Year
Questions
Is Biorhythm Calculator Simple free?
Is Biladai free?
Do Biorhythm Calculator Simple or Biladai have ads?
Which is updated more often, Biorhythm Calculator Simple or Biladai?
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