# 吃有数 vs 吃一小口

The clearest difference is ads: 吃有数 at none against 吃一小口's shown. 吃有数 also leads on update cadence (weekly vs monthly) and device support (3 vs 1). On price, review sentiment and in-app purchases there is nothing between them.

Both are free to download. 吃有数 sells 6 one-off in-app purchases and 吃一小口 sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

吃有数 ships an update weekly, 吃一小口 monthly. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 吃有数 | 吃一小口 |
| --- | --- | --- |
| 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 | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free | — |
| Size | 96 MB | 63 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [明 程](https://appshunter.io/developer/1055905153) | [彬焱 孙](https://appshunter.io/developer/1790768509) |

## 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 |


### 吃一小口

[App page](https://appshunter.io/ios/app/id6807101379)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $2.99 | per 7 days |
| 年度会员 | $14.99 | per year |
| 永久会员 | $19.99 | one-time |


## Frequently asked questions

### Is 吃有数 free?

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

### Is 吃一小口 free?

吃一小口 is free to download, with in-app purchases available.

### Do 吃有数 or 吃一小口 have ads?

吃一小口 shows ads; 吃有数 does not.

### Which is updated more often, 吃有数 or 吃一小口?

吃有数 ships an update weekly, and 吃一小口 monthly. Most recently, 吃有数 was updated on October 25, 2026 and 吃一小口 on October 27, 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.*