OnFit vs OntoFit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OnFit
Manage your gym membership, schedule classes, and track your fitness journey. Get personalized workout plans, monitor your progress with detailed exercise records and movement analysis, and stay motivated with rewards and community sharing.
- Membership management
- Mobile class scheduling
- Customized exercise programs
- Automatic exercise record tracking
- Movement and physical change analysis
- Diet management
- Motivational rewards and community features
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[Membership Management] You can view the center’s membership at a glance. - Perfectly done without a paper membership! You can check the memberships held by each center at a glance. - You can easily process membership changes such as period suspension or start date changes without visiting the center or filling out documents. [Schedule Management] Experience our convenient mobile reservation service. - You don't have to worry about when your consultation with a professional trainer, OT, Pilates and GX classes are scheduled. - You can schedule consultations and conveniently manage Pilates and GX class schedules with simple mobile reservations. [Exercise program provided] You don’t have to worry about what exercise to do when you first visit the center. - A professional trainer will design a customized exercise program. - We provide detailed exercise programs tailored to the member's physical strength and physical condition, including aerobic, strength training, circuit, and stretching. - You can change the program at any time depending on your exercise progress. [Exercise record management] You can easily check your daily exercise history without having to remember it separately. - Exercises performed using exercise equipment within the center are automatically recorded. - Detailed exercise records are possible, including daily and monthly exercise history, number of times, weight, and time. - Upload exercise videos and photos to create a more complete exercise record. [Movement Analysis] Feel confident with your exercise records improving every day. - Based on your exercise records, you can check exercise analysis results such as overall/daily/weekly/monthly goal achievement rate, exercise day, calorie consumption, and exercise amount by region. - You can check the effect of exercise at a glance with individually optimized exercise analysis data. [Physical changes] See the difference in yourself after exercising. - You can easily check changes in major health indicators such as weight, skeletal muscle, body fat, and abdominal obesity rate through graphs. - When you lift a heavy weight, check out the change in physical strength when your body, which used to collapse, holds on well. [Motivation] Working out becomes more fun together. - It helps motivate you to exercise with various rewards such as badges, crowns, and rankings depending on your exercise performance. - You can exercise consistently by sharing your records with numerous OnFit members. - Achieve your goal through the Challenge > Competition > Achievement > Reward mechanism and enjoy the sense of accomplishment. [Daily life check] Create a healthy lifestyle. - Diet management is as important as exercise! Manage your meals systematically by uploading your daily menu. [Access Permission Information] Required access rights - Wifi: Used to use apps and check network connection Select access rights - Camera: Used to take photos or videos - Photos/Media/Files: Used to read or save images and files * You can use the app service even if you do not allow optional access permissions, and you can change them at any time in your phone settings.
OntoFit
This app provides detailed body composition analysis and tracks your health metrics over time. It offers personalized insights and supports multiple family users, integrating with health platforms for comprehensive health management.
- 13 body composition analysis
- Trend charts for tracking changes
- Body shaping measurements
- Support for up to 24 users
- Integration with Apple Health
- Personalized app theme colors
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OntoFit, the painstaking effort of ICOMON's App development team which integrated more than 30 years experience of the weighing measurement industry, the App has been upgraded iteratively for more than 5 years in the Big Health Data. Verified by more than 3 million users worldwide, it has a variety of scientific models which could match different regions and ethnic differences more accurately. OntoFit Health provides the faster and more accurate insight into body compositions, and helps with health management for better life. ●New Home Page Changing by bit, easy to see ●Known by Measuring Getting 13 body composition analysis ●Trend Chart Tracking every changes of body ●Body Shaping Measuring circumference, good for fitness ●Personalized App Colors 15 theme colors of choice ●Family Use Full support up to 24 users Health Kit After getting your authorization, OntoFit Health could synchronize your body measurement date with Fitness App, such as Apple Health
Screenshots
Verdict
The clearest difference is review sentiment: OntoFit at 28% against OnFit's 18%. OntoFit also leads on iOS requirement (9.0 vs 14.0). On price, update cadence, ads and in-app purchases 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.
OnFit ships an update every 2 months, OntoFit every 3 months. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.
| Parameter | OnFit | OntoFit |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (5 ratings) — better |
| Positive reviews | 18.2% of reviews | 28.3% of reviews — better |
| Number of ratings | — | 5 — better |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 125 MB |
| Age rating | 4+ | 4+ |
| Developer | SELVAS AI Inc. | 文妤 黄 |
Customer experience
OnFit
OntoFit
In-app purchases
OnFit
No in-app purchases
OntoFit
No in-app purchases







