# 吃有数 vs Carbscan

The clearest difference is update cadence: 吃有数 at weekly against Carbscan's every 5 weeks. 吃有数 also leads on iOS requirement (15.5 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 吃有数 sells 6 one-off in-app purchases and Carbscan sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

吃有数 ships an update weekly, Carbscan every 5 weeks. The most recent releases landed on October 23, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | 吃有数 | Carbscan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ai/id6756397162/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 98.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 96 MB | 10 MB |
| Requires iOS | **15.5** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [明 程](https://appshunter.io/developer/1055905153) | [敬涛 邱](https://appshunter.io/developer/1864363205) |

## What reviewers say

### 吃有数

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

This AI-powered app simplifies calorie and nutrition tracking with photo recognition. It helps users set personalized weight loss goals, monitor progress with data visualization, and manage their diet and exercise for a healthier lifestyle.

**Highlights:** AI food recognition via photo, Automatic calorie and nutrition calculation, Personalized daily calorie goals, Detailed nutrition analysis, Weight and BMI tracking, Exercise calorie compensation, Progress photo tracking

**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 |


### Carbscan

[App page](https://appshunter.io/ios/app/carbscan/id6757840816)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CarbScan - AI营养分析与碳水追踪 | $0.99 | per month |


## Frequently asked questions

### Is 吃有数 free?

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

### Is Carbscan free?

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

### Do 吃有数 or Carbscan have ads?

Neither 吃有数 nor Carbscan shows ads.

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

吃有数 ships an update weekly, and Carbscan every 5 weeks. Most recently, 吃有数 was updated on October 23, 2026 and Carbscan on September 26, 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.*