# 다짐(多Gym) vs OntoFit

The clearest difference is review sentiment: 다짐(多Gym) at 78% against OntoFit's 28%. 다짐(多Gym) also leads on rating (4.9 vs 3.0) and update cadence (weekly vs every 3 months). OntoFit's advantage is monetization model (free vs ad-supported) and iOS requirement (9.0 vs 15.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

다짐(多Gym) holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: 다짐(多Gym) has 36 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 78% of 다짐(多Gym)'s written reviews are positive against 28% of OntoFit's.

다짐(多Gym) ships an update weekly, OntoFit every 3 months. The most recent releases landed on September 27, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 다짐(多Gym) | OntoFit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (36 ratings)](https://appshunter.io/ios/app/gym/id1195530295/reviews)** | [3.0 (5 ratings)](https://appshunter.io/ios/app/ontofit/id1453150726/reviews) |
| Number of ratings | **36** | 5 |
| Positive reviews | **78.3% of reviews** | 28.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Ad-supported | **Free** |
| Size | 93 MB | 125 MB |
| Requires iOS | 15.5 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stone-I Co., Ltd.](https://appshunter.io/developer/1195530294) | [文妤 黄](https://appshunter.io/developer/1383669544) |

## What reviewers say

### 다짐(多Gym)

[App page](https://appshunter.io/ios/app/gym/id1195530295)

Access multiple fitness facilities at a fraction of the cost. Explore various sports like swimming, boxing, and yoga alongside traditional gyms. View detailed facility information, photos, and pricing before committing.

**Highlights:** Find nearby fitness facilities, View detailed facility information and pricing, Access up to three gyms with one membership, Track attendance across multiple locations, Discover diverse workout types, Exclusive member pricing and discounts

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### OntoFit

[App page](https://appshunter.io/ios/app/ontofit/id1453150726)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 다짐(多Gym) free?

다짐(多Gym) is free to download, with no in-app purchases.

### Is OntoFit free?

OntoFit is free to download, with no in-app purchases.

### Which has better reviews, 다짐(多Gym) or OntoFit?

다짐(多Gym) is rated higher. 다짐(多Gym) averages 4.9 out of 5 from 36 ratings, while OntoFit averages 3.0 from 5 ratings.

### Do 다짐(多Gym) or OntoFit have ads?

Neither 다짐(多Gym) nor OntoFit shows ads.

### Which is updated more often, 다짐(多Gym) or OntoFit?

다짐(多Gym) ships an update weekly, and OntoFit every 3 months. Most recently, 다짐(多Gym) was updated on September 27, 2026 and OntoFit on September 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*