# Weight Diary vs Weight Trekker

The clearest difference is price: Weight Trekker at Free against Weight Diary's $7.99. Weight Trekker also leads on update cadence (every 3 weeks vs every 6 months) and iOS requirement (17.6 vs 26.0). Weight Diary's advantage is rating (4.9 vs 4.3) and ratings volume (2.6K vs 28). On ads, in-app purchases and device support there is nothing between them.

Weight Trekker is free to download; Weight Diary costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Weight Diary holds the better App Store score, 4.9 against 4.3. That said, the two scores are not equally well evidenced: Weight Diary has 2.6K ratings behind it against 28, so its average is the more settled of the two. Written reviews point the same way: 97% of Weight Diary's written reviews are positive against 83% of Weight Trekker's.

Weight Diary ships an update every 6 months, Weight Trekker every 3 weeks. The most recent releases landed on November 10, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Weight Diary | Weight Trekker |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[4.9 (2.6K ratings)](https://appshunter.io/ios/app/weight-diary/id410413185/reviews)** | [4.3 (28 ratings)](https://appshunter.io/ios/app/weight-trekker/id6651851838/reviews) |
| Number of ratings | **2.6K** | 28 |
| Positive reviews | **96.8% of reviews** | 83.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Best chart rank | **#107** | — |
| Size | 11 MB | 17 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [CURLYBRACE APPS LTD](https://appshunter.io/developer/410413205) | [Alan Maloney](https://appshunter.io/developer/1764052421) |

## What reviewers say

### Weight Diary

[App page](https://appshunter.io/ios/app/weight-diary/id410413185)

**Currently charting:** #107 Top Paid · Health & Fitness (US App Store)

Track your weight loss progress with daily logs and clear trend lines. Visualize your journey with powerful graphs, set custom goals, and estimate your time to reach them. Integrates with Apple Health and Withings scales for comprehensive tracking.

**Highlights:** Daily weight logging, Clear trend line visualization, Custom start dates for goals, Goal and calorie calculators, Apple Health & Withings sync, Body fat % and notes, BMI display

**In-app purchases:** none


### Weight Trekker

[App page](https://appshunter.io/ios/app/weight-trekker/id6651851838)

This app helps users track and predict weight changes while using specific weight loss medications. It offers personalized insights into weight loss trajectories, potential side effects, and drug concentration levels, all within a user-friendly interface.

**Highlights:** Track weight from starting to goal weight, Monitor GI side effects and patient-reported outcomes, Personalized weight loss predictions, Visualize drug concentration levels, Compare progress with community data, Customizable notes and metrics

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 💡 Interesting perspectives on weight loss
- 🤩 Fun to see progress
- 📈 Great for tracking
- 🚀 Stable platform

**What reviewers complain about**

- 🐛 Won't let me save data
- 📉 DCR doesn't go to 52 weeks
- 🎨 New version lacks color
- 📊 Main graph needs improvement
- 🐛 Data running off the background

**Reported bugs**

- 🐛 Won't let me save data
- 🐛 Data running off the background
- 🐛 Cannot add custom dose

**Requested features**

- Extend DCR to 52 weeks or longer
- Improve main progress graph
- Add color and inspiration to the UI
- Allow editing of dosage day
- Add waist, hips, and chest measurements


## Frequently asked questions

### Is Weight Diary free?

Weight Diary costs $7.99, with no in-app purchases.

### Is Weight Trekker free?

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

### Which has better reviews, Weight Diary or Weight Trekker?

Weight Diary is rated higher. Weight Diary averages 4.9 out of 5 from 2.6K ratings, while Weight Trekker averages 4.3 from 28 ratings.

### Do Weight Diary or Weight Trekker have ads?

Neither Weight Diary nor Weight Trekker shows ads.

### Which is updated more often, Weight Diary or Weight Trekker?

Weight Diary ships an update every 6 months, and Weight Trekker every 3 weeks. Most recently, Weight Diary was updated on November 10, 2026 and Weight Trekker on October 30, 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.*