# 遺伝子博士ダイエット vs LifeFit

The clearest difference is rating: LifeFit at 4.6 against 遺伝子博士ダイエット's 1.9. LifeFit also leads on review sentiment (42% vs 3%) and update cadence (weekly vs every 6 weeks). 遺伝子博士ダイエット's advantage is ads (none vs shown). On price, 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.

LifeFit holds the better App Store score, 4.6 against 1.9. That said, the two scores are not equally well evidenced: LifeFit has 17K ratings behind it against 83, so its average is the more settled of the two. Written reviews point the same way: 3% of 遺伝子博士ダイエット's written reviews are positive against 42% of LifeFit's.

遺伝子博士ダイエット ships an update every 6 weeks, LifeFit weekly. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 遺伝子博士ダイエット | LifeFit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (83 ratings)](https://appshunter.io/ios/app/id1075242564/reviews) | **[4.6 (17K ratings)](https://appshunter.io/ios/app/lifefit-400/id1599077417/reviews)** |
| Number of ratings | 83 | **17K** |
| Positive reviews | 3.2% of reviews | **41.9% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 55 MB | 79 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Campingcar Inc.](https://appshunter.io/developer/1435272854) | [FiT, Inc. (Mobile)](https://appshunter.io/developer/1598317744) |

## What reviewers say

### 遺伝子博士ダイエット

[App page](https://appshunter.io/ios/app/id1075242564)

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

**In-app purchases:** none


### LifeFit

[App page](https://appshunter.io/ios/app/lifefit-400/id1599077417)

This app simplifies gym access by allowing users to find and book gym visits through their smartphone. Purchase single-use or monthly passes and check in with a QR code. Easily manage your membership, including pausing or resuming it, all within the app.

**Highlights:** Find and book gym visits, Purchase single-use or monthly passes, QR code check-in, Manage membership easily, Pause or resume membership, 24/7 gym access

**In-app purchases:** none

**What reviewers like**

- 💰 Affordable pricing
- ✨ Clean facilities
- 💪 Ample equipment
- ⏰ 24/7 accessibility
- ✅ Easy to use app

**What reviewers complain about**

- 😠 Difficult cancellation
- 📵 Poor customer support
- 📢 Noisy users
- 🧹 Poor cleanliness
- 🎛️ Limited equipment variety

**Reported bugs**

- App crashes unexpectedly
- Cannot log in to the app
- App freezes
- QR code screen causes high data usage
- App does not respond when login button is pressed

**Requested features**

- Allow app cancellation
- Improve customer support responsiveness
- Add dark mode to the app
- Implement a system for reporting user etiquette issues
- Provide more detailed video tutorials for machine usage


## Frequently asked questions

### Is 遺伝子博士ダイエット free?

遺伝子博士ダイエット is free to download, with no in-app purchases.

### Is LifeFit free?

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

### Which has better reviews, 遺伝子博士ダイエット or LifeFit?

LifeFit is rated higher. 遺伝子博士ダイエット averages 1.9 out of 5 from 83 ratings, while LifeFit averages 4.6 from 17K ratings.

### Do 遺伝子博士ダイエット or LifeFit have ads?

LifeFit shows ads; 遺伝子博士ダイエット does not.

### Which is updated more often, 遺伝子博士ダイエット or LifeFit?

遺伝子博士ダイエット ships an update every 6 weeks, and LifeFit weekly. Most recently, 遺伝子博士ダイエット was updated on October 14, 2026 and LifeFit on October 15, 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.*