# WeighIt vs 吃有数

The clearest difference is rating: 吃有数 at 5.0 against WeighIt's 4.2. WeighIt's advantage is monetization model (free vs free with in-app purchases). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. WeighIt sells 3 one-off in-app purchases and 吃有数 sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

吃有数 holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews point the same way: 96% of WeighIt's written reviews are positive against 98% of 吃有数's.

WeighIt ships an update every 6 days, 吃有数 weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | WeighIt | 吃有数 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/weighit-weight-tracker/id6738362859/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ai/id6756397162/reviews)** |
| Number of ratings | **5** | 3 |
| Positive reviews | 96.2% of reviews | **98.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 96 MB |
| Requires iOS | **15** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [诚 刘](https://appshunter.io/developer/1780379735) | [明 程](https://appshunter.io/developer/1055905153) |

## What reviewers say

### WeighIt

[App page](https://appshunter.io/ios/app/weighit-weight-tracker/id6738362859)

This minimalist app helps you accurately monitor weight changes and health habits. Log daily weight, view trends on a calendar or chart, and track diet, exercise, water intake, and more for comprehensive health management.

**Highlights:** Accurate weight recording (0.1kg), Calendar and trend chart views, Log diet, exercise, and water intake, Track body measurements and menstrual cycle, Journal and fasting logs

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 早年特惠 | $3.99 | one-time |
| 正式会员 | $4.99 | one-time |
| 永久会员 | $4.99 | one-time |


### 吃有数

[App page](https://appshunter.io/ios/app/ai/id6756397162)

This app uses AI to automatically identify food from photos and calculate its nutritional information, making calorie tracking and weight management simple and efficient. It offers personalized goals, detailed nutritional analysis, and progress visualization to support your health journey.

**Highlights:** AI food recognition from photos, Automatic calorie and nutrition calculation, Personalized daily calorie goals, Detailed nutrient analysis (protein, carbs, fat), Weight and BMI tracking with trend analysis, Progress photo comparison, Daily check-in system

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalShot-15天会员 | $0.99 | one-time |
| CalShot-30天会员 | $2.99 | one-time |
| 180天会员特价 | $4.99 | one-time |
| 一年会员特价 | $9.99 | one-time |
| 2年会员特价 | $14.99 | one-time |
| 永久会员 | $19.99 | one-time |


## Frequently asked questions

### Is WeighIt free?

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

### Is 吃有数 free?

吃有数 is free to download, with in-app purchases available.

### Which has better reviews, WeighIt or 吃有数?

吃有数 is rated higher. WeighIt averages 4.2 out of 5 from 5 ratings, while 吃有数 averages 5.0 from 3 ratings.

### Do WeighIt or 吃有数 have ads?

Neither WeighIt nor 吃有数 shows ads.

### Which is updated more often, WeighIt or 吃有数?

WeighIt ships an update every 6 days, and 吃有数 weekly. Most recently, WeighIt was updated on October 30, 2026 and 吃有数 on October 31, 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.*