# Weight Diary vs Happy Scale

The clearest difference is price: Happy Scale at Free against Weight Diary's $7.99. Happy Scale also leads on update cadence (weekly vs every 6 months) and ratings volume (58K vs 2.6K). Weight Diary's advantage is in-app purchases (none vs 8). On rating, review sentiment, ads and chart position there is nothing between them.

Happy Scale is free to download; Weight Diary costs $7.99 up front. Happy Scale sells 8 in-app purchases, starting at $1.99 per month. Weight Diary asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Weight Diary against 4.9 for Happy Scale. That said, the two scores are not equally well evidenced: Happy Scale has 58K ratings behind it against 2.6K, so its average is the more settled of the two. Written reviews are what separate them: 96% of Weight Diary's written reviews are positive against 91% of Happy Scale's.

Weight Diary ships an update every 6 months, Happy Scale weekly. The most recent releases landed on September 24, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Weight Diary | Happy Scale |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | [4.9 (2.6K ratings)](https://appshunter.io/ios/app/weight-diary/id410413185/reviews) | [4.9 (58K ratings)](https://appshunter.io/ios/app/happy-scale/id532430574/reviews) |
| Number of ratings | 2.6K | **58K** |
| Positive reviews | **96.2% of reviews** | 91.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | **Free** | Subscription |
| Best chart rank | **#116** | #185 |
| Size | 11 MB | 65 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [CURLYBRACE APPS LTD](https://appshunter.io/developer/410413205) | [Front Pocket Software LLC](https://appshunter.io/developer/425877766) |

## What reviewers say

### Weight Diary

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

**Currently charting:** #116 Top Paid · Health & Fitness (US App Store)

Track your weight loss journey with a clear trend line to visualize progress. Log daily weights, estimate loss rates, and plan for your goals. Supports custom start dates and integrates with health platforms.

**Highlights:** Daily weight logging, Clear trend line visualization, Progress and goal tracking, Custom start date setting, Apple Health and scale sync, BMI and calorie calculators, Data backup and export

**In-app purchases:** none


### Happy Scale

[App page](https://appshunter.io/ios/app/happy-scale/id532430574)

**Currently charting:** #185 Top Grossing · Health & Fitness (US App Store)

This app helps you understand your weight loss journey by analyzing scale fluctuations. It smooths out daily variations to reveal your true progress, predict future weights, and break down goals into manageable milestones.

**Highlights:** See true progress with mathematical analysis, Smooth out weigh-in fluctuations, Predict future weight, Break down goals into milestones, Integrates with Apple Health, BMI calculator

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Happy Scale Deluxe (Monthly) | $1.99 | per month |
| Happy Scale Deluxe (Yearly) | $11.99 | per year |
| Tip $1 | $0.99 | one-time |
| Tip $3 | $2.99 | one-time |
| Tip $5 | $4.99 | one-time |
| Tip $10 | $9.99 | one-time |
| Happy Scale Premium (Lifetime) | $39.99 | one-time |
| Happy Scale Deluxe (Lifetime) | $39.99 | one-time |

**What reviewers like**

- 👍 Excellent weight loss support tool
- 👍 Motivating and engaging to track weight
- 👍 Provides great insights and predictions
- 👍 Smooths out weight fluctuations
- 👍 Breaks down weight loss journey into milestones

**What reviewers complain about**

- 🐛 Reminders don't work for some users
- 💰 Subscription model is expensive for some

**Reported bugs**

- Reminders don't work for some users

**Requested features**

- Add ability to track body measurements and body fat percentage
- Provide more chart/graph options (60-day, 6-month)
- Add a watch app or complication for easier access
- Implement more celebratory features when reaching goals


## Frequently asked questions

### Is Weight Diary free?

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

### Is Happy Scale free?

Happy Scale is free to download, with in-app purchases available.

### Which has better reviews, Weight Diary or Happy Scale?

Weight Diary and Happy Scale are both rated 4.9 out of 5 on the App Store, from 2.6K and 58K ratings respectively.

### Do Weight Diary or Happy Scale have ads?

Neither Weight Diary nor Happy Scale shows ads.

### Which is updated more often, Weight Diary or Happy Scale?

Weight Diary ships an update every 6 months, and Happy Scale weekly. Most recently, Weight Diary was updated on September 24, 2026 and Happy Scale on September 25, 2026.

### Which is more popular, Weight Diary or Happy Scale?

Weight Diary currently peaks at #116 in the App Store charts, and Happy Scale at #185. Chart position reflects recent download velocity rather than total install base.

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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.*