bello vs OSIN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
bello
This app helps you manage your body composition and achieve a healthier lifestyle. It provides accurate body fat measurements, personalized wellness programs, and diet/exercise recommendations. Integrate with Health Kit and a popular diet database for comprehensive health monitoring.
- Body composition measurement
- Personalized wellness program
- Daily calorie intake recommendations
- Healthy diet and exercise regimens
- Health management and monitoring
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Bello is the world's smallest body fat management solution that can fit in the palm of your hand! Just scan 5 spots on your body with Bello, to get started. What you get: • Accurate measurements of your body composition and an assessment summary. (Metabolic Health, Body fat %, Visceral Fat Level and BMR) • A Unique personalized wellness program, 9 Block Therapy, which can help you achieve your healthier lifestyle. • Recommendation for daily calorie intake* by integrating the Health Kit data. • Thousands of optimal healthy diets and exercise regimens, with integration with FatSecret, the most popular diet recipe database, just for you. • Health management and monitoring for a sustainable healthy lifestyle. It is time to Bello 2 Learn more * Dietary guidelines for America: https://www.dietaryguidelines.gov -- This service is intended for general wellness awareness and management. Bello is not a medical device and does not substitute clinical diagnosis. Consult with a healthcare professional if you need a medical diagnosis or prescription.
OSIN
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The OSIN App enables you to connect and synchronize your OSIN Loop ensuring you receive the right light at the right time no matter where you are.
Screenshots
Verdict
The clearest difference is ads: OSIN at none against bello's shown. OSIN also leads on update cadence (every 3 weeks vs every 6 weeks). bello's advantage is iOS requirement (12.0 vs 14.0). On price, 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.
bello ships an update every 6 weeks, OSIN every 3 weeks. The most recent releases landed on October 20, 2026 and October 27, 2026 respectively.
| Parameter | bello | OSIN |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (55 ratings) — better | — |
| Positive reviews | 29.1% of reviews | — |
| Number of ratings | 55 — better | — |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 198 MB | 22 MB |
| Age rating | 17+ | 4+ |
| Developer | Olive Healthcare Inc. | OSIN LIGHTING LIMITED |
Bugs and requests
bello
Reported bugs
35 issues- App constantly crashing
- App closing automatically
- App shuts down shortly after opening
- Body style doesn't update
- Impossible to edit waist size
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- Unable to login to account
- Login with Apple ID fails
- Sign in with Google loops back to sign-in screen
- App gets stuck on setup steps
- Lost trend data
- Cannot get past step 5 on measurements
- App doesn't respond to taps
- Cannot log in with Apple ID
- App doesn't respond on any drop-down menu
- App is unresponsive
- Screen dims and returns to login screen
- App crashes when connecting device
- Cannot log in
- App doesn't let me go past step 2
- Network error during setup
- App times out when signing up
- Keyboard blocks 'next button' on height screen
- Cannot set birth year
- Cannot connect with Bello
- Crashes on scan attempt
- App forced re-entry of stats after update
- Network error after update
- App generates 'illegal data format' error
- App won't open after update
- Previous data erased after update
- Network error during registration
- Fake measurements based on input
- Cannot perform required scans due to UI
- No scroll-bar for smaller iPhones
- No update or help for scroll-bar issue
Requested features
7 requests- Sync back to Apple Health
- Improved graphing and trend lines
- Integration with other fitness apps (e.g., MyFitnessPal)
- Barcode scanning for food input
- Image scanning for food input
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- Scroll bar for smaller screens
- Cloud backup for data
OSIN
Not enough reviews yet to summarise bugs or requests.
In-app purchases
bello
No in-app purchases
OSIN
No in-app purchases
