Bio vs Marriage
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bio
Discover deeper connections by analyzing your birth date for physical, mental, and emotional compatibility with others. This tool helps you understand relationship dynamics and find more fulfilling partnerships.
- Birth date compatibility analysis
- Physical compatibility assessment
- Mental compatibility assessment
- Emotional compatibility assessment
- Relationship insight tool
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You can now find the love of your life. No need to settle for less. If you have been getting involved with people who make you unhappy, a Bio-Compatibility Analysis® can help you to determine why. The data is based upon your birth date. You will be surprised how amazingly accurate it is. This full, paid version offers complete analyses of your physical, mental and emotional compatibility with others.
Marriage
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Marriage Compatibility app gives a detailed compatibility report with your partner, By submitting date of birth and time of both partners Marriage Compatibility calculate a score according to astrology, based on this score you can find how much your partner compatible with you.
Screenshots
Verdict
The clearest difference is price: Bio at Free against Marriage's $0.99. Bio also leads on update cadence (every 6 months vs every 11 months). Marriage's advantage is in-app purchases (none vs 3) and iOS requirement (15.6 vs 17.5). On ads 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
Bio is free to download; Marriage costs $0.99 up front. Bio sells 3 one-off in-app purchases. Marriage asks for nothing beyond the download.
Bio ships an update every 6 months, Marriage every 11 months. The most recent releases landed on June 5, 2026 and September 15, 2026 respectively.
| Parameter | Bio | Marriage |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 months — better | Every 11 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.5 | 15.6 — better |
| Further details — not scored | ||
| Size | 6 MB | 6 MB |
| Age rating | 9+ | 4+ |
| Developer | Biological Immunity Research Institute | Primosoft Inc |
In-app purchases
Bio
- 1 Credit$1.99
- 5 Credits$3.99
- 10 Credits$4.99
Marriage
No in-app purchases
