# 遺伝子博士ダイエット vs Weight Tracker

The clearest difference is review sentiment: Weight Tracker at 74% against 遺伝子博士ダイエット's 3%. Weight Tracker also leads on rating (4.7 vs 1.9) and iOS requirement (13.0 vs 26.0). 遺伝子博士ダイエット's advantage is ads (none vs shown) and ratings volume (83 vs 22). On price, update cadence, 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.

Weight Tracker holds the better App Store score, 4.7 against 1.9. Both are backed by a comparable volume of ratings — 83 and 22 respectively. Written reviews point the same way: 3% of 遺伝子博士ダイエット's written reviews are positive against 74% of Weight Tracker's.

遺伝子博士ダイエット ships an update every 6 weeks, Weight Tracker every 2 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 遺伝子博士ダイエット | Weight Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (83 ratings)](https://appshunter.io/ios/app/id1075242564/reviews) | **[4.7 (22 ratings)](https://appshunter.io/ios/app/weight-tracker-goal-and-trend/id1546692505/reviews)** |
| Number of ratings | **83** | 22 |
| Positive reviews | 3.2% of reviews | **74.1% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 55 MB | 97 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Campingcar Inc.](https://appshunter.io/developer/1435272854) | [familiar Incorporated](https://appshunter.io/developer/796310096) |

## 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


### Weight Tracker

[App page](https://appshunter.io/ios/app/weight-tracker-goal-and-trend/id1546692505)

This app projects your weight loss trajectory to help you reach your goals. It offers quick daily logging, trend analysis, and insights into patterns affecting your weight, including menstrual cycle impacts. Track weight, body fat, and waist measurements with customizable graphs and notes.

**Highlights:** Trend projection to goal, Weight and body composition tracking, Daily logging with notes, Period tracking with cycle insights, Customizable graphs, Passcode lock for privacy

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

**In-app purchases:** none


## 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 Weight Tracker free?

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

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

Weight Tracker is rated higher. 遺伝子博士ダイエット averages 1.9 out of 5 from 83 ratings, while Weight Tracker averages 4.7 from 22 ratings.

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

Weight Tracker 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 Weight Tracker?

遺伝子博士ダイエット ships an update every 6 weeks, and Weight Tracker every 2 months. Most recently, 遺伝子博士ダイエット was updated on October 26, 2026 and Weight Tracker on October 27, 2026.

---

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