# 知了 · Food Safety Scanner — Scan Food. Know What's Inside.

> Scan food to understand ingredients, additives, and safety ratings instantly. (iPhone/iPad app by 海南启帆科技有限公司.)

- Source: https://appshunter.io/ios/app/food-safety-scanner/id6749419054 (this page in markdown: same URL + `.md`)
- Developer: [海南启帆科技有限公司](https://appshunter.io/developer/1542011411)
- Category: Health & Fitness, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.6 · 53 MB
- Languages: American English
- Released: 2025-10-03
- Data updated: 2026-08-31
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/food-safety-scanner/id6749419054/reviews.md

## What is 知了 · Food Safety Scanner?

Can't read the ingredient list? Scan it — understand it instantly.
Is "zero sugar" or "zero fat" really true? One scan shows you an A–E safety rating at a glance.
Buying snacks for your kids but unsure about additives?

FoodScan uses barcode scanning, photo recognition, and image search to help you quickly understand food ingredients, additives, and nutrition facts — so you can make every food choice with confidence.

【Scan. Understand. Choose Better.】
• Full ingredient list breakdown
• Additive-by-additive explanation and safety rating
• Nutrition analysis (calories, protein, fat, sugar, sodium)
• Tailored alerts for kids, low-sugar, and weight-loss needs
• Barcode scan + photo & image recognition
• Scan history management and personalized health report

【Independent. Unbiased. Ad-Free.】
• Cross-referenced with 7 global standards: US FDA, EU EFSA, Japan MHLW, China GB, and more
• Overlaid with WHO/IARC carcinogen classification data for professional additive risk analysis
• Zero brand sponsorships, zero commercial recommendations — uniform standards for every product
• Continuously updated database covering 2,300+ food additives

【Auto-Renewing Subscription】

1. Monthly Plan
-- Billing cycle: 1 month
-- Price: ¥15 for the first month

2. Quarterly Plan
-- Billing cycle: 1 quarter (3 months)
-- Price: ¥39

3. Annual Plan
-- Billing cycle: 1 year (12 months)
-- Price: ¥78

Payment: Charged to your Apple ID upon purchase confirmation.
Renewal: Automatically billed within 24 hours before the end of the current period.
Cancellation: Disable auto-renewal in Apple ID settings at least 24 hours before the next billing date.

Auto-Renewal Agreement: https://file.aiifood.cn/web/policy/member_vip_iOS_auto_renew.html
Premium Membership Agreement: https://file.aiifood.cn/web/policy/member_vip_privacy_ios.html
Terms of Service: https://file.aiifood.cn/web/policy/user_policy.html
Privacy Policy: https://file.aiifood.cn/web/policy/privacy_policy.html

Questions or feedback? Contact us: service@aiifood.cn

## Key features

- Barcode and photo recognition scanning
- Instant safety rating (A-E)
- Detailed ingredient and additive breakdown
- Nutrition facts analysis
- Personalized health alerts
- Scan history and reports

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| 连续包季 | $5.99 | per 3 months |
| 连续包年 | $9.99 | per year |
| 连续包月 | $3.99 | per month |
| 月度会员 | $3.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 年度会员 | $14.99 | one-time |
| 年度会员 | $5.99 | one-time |
| 新用户优惠-月度会员 | $2.99 | one-time |
| 季度会员 | $5.99 | one-time |
| 年度会员-买一送一 | $14.99 | one-time |
| 知了会员 6个月 | $9.99 | one-time |


## Recent user reviews (10 of 26)

All indexed reviews: https://appshunter.io/ios/app/food-safety-scanner/id6749419054/reviews.md

### 3/5 — 还好吧

*2026-07-26*

但是查两下就要💰

### 1/5 — 乱收费

*2026-07-05*

还没开始用就开始收费 穷疯了吧

### 1/5 — 要会员

*2026-03-10*

要会员，不充会员一天只能扫码一次，要会员，要会员，谨慎下载

**Developer response:** 您好，应用提供免费体验次数是为了让用户在购买前可以了解功能。

我们的食品成分识别与数据库分析需要持续的技术投入和维护，因此对于高频使用场景会通过会员方式提供支持。

同时也有很多用户只是偶尔查询一次食品配料，这部分功能依然可以免费使用。

非常感谢您的体验与反馈，我们也会持续优化产品。

### 1/5 — 不够完善

*2026-02-08*

连个搜索都没有，一天只能查一次，还要开会员

**Developer response:** 搜索功能正在开发中，后续版本会逐步上线，目前免费版提供基础查询体验（每日1次），会员版开放完整功能和不限次数使用，平台没有广告变现，主要通过会员支持长期运营和数据维护。

### 1/5 — 呵呵

*2026-01-21*

抢

**Developer response:** 免费用户有免费体验次数，会员无限制使用全部功能，是否开通完全自愿，我们不收取商家或广告费用，会员用于支持平台长期、独立运营。

### 1/5 — 还要交钱

*2026-01-10*

还要交钱

**Developer response:** 如果一个号称独立的测评机构，不跟用户收费，你觉得结果可信吗？？
知了作为独立的第三方测评工具，采用用户付费模式运营，不接受商家或广告付费，以避免商业干预，我们通过清晰透明的收费机制支持数据维护和长期运营，保障测评结果的独立性与可信度。

### 1/5 — 垃圾软件

*2026-01-03*

垃圾软件大家不要下载

**Developer response:** 你是哪个品牌方的水军，一条给你多少钱？跑到这里来恶意差评？

### 2/5 — 可查内容太有限，不值这个费用

*2026-01-02*

可查的太有限，不是所有带条码的调味品等都能查到

**Developer response:** 感谢你的反馈。知了目前已覆盖大量常见商品，并在持续补充中。部分小众或地域性产品可能因包装或条码问题暂时无法扫码识别，您可以使用 AI 识别功能进行查询，相关数据我们也会持续完善。

### 3/5 — 继续改善产品功能

*2026-01-02*

可查产品数量太少 有的受包装影响 无法扫码查询

**Developer response:** 感谢你的反馈，知了目前已覆盖大量常见商品，并在持续更新中，部分产品可能因包装或条码问题暂时无法扫码识别，您可以尝试使用 AI 查询功能进行识别，相关数据我们也会持续完善。

### 1/5 — 会员不能正常使用

*2026-01-02*

买的一年会员，无法使用，处理了，就给我弄成一个月的会员？为什么？我花的年度会员的费用！！！

**Developer response:** 感谢你的反馈，也抱歉给你带来困扰。经核实，当前你的会员权益时间是正常年度会员，之前的情况可能与网络或显示同步异常有关。建议刷新后查看，如仍有疑问欢迎随时联系客服，我们会协助确认处理。

## Frequently asked questions about 知了 · Food Safety Scanner

### What is 知了's primary function?

知了's primary function is to help users understand food ingredients, additives, and safety ratings by scanning barcodes or taking photos of food products. It provides a detailed breakdown of what's inside and assigns an A-E safety rating.

### Does 知了 have ads?

Yes, 知了 contains advertisements. Users may encounter ads while using the app's features.

### What kind of data does 知了 use for its safety ratings?

知了 cross-references information with 7 global standards, including US FDA and EU EFSA, and overlays it with WHO/IARC carcinogen classification data for professional additive risk analysis.

### Can 知了 provide personalized alerts?

Yes, 知了 offers tailored alerts for specific needs such as children's diets, low-sugar requirements, and weight-loss goals, based on the scanned food information.

### How often is 知了's database updated?

The app's database is continuously updated and currently covers over 2,300 food additives. The latest version was updated on 2026-06-26.

### What subscription plans are available for 知了?

知了 offers monthly, quarterly, and annual subscription plans. The monthly plan is ¥15 for the first month, the quarterly plan is ¥39, and the annual plan is ¥78.

### On which devices can 知了 be used?

知了 is supported on iPhone and iPod devices. It has an age rating of 4+.

### How can I cancel my 知了 subscription?

To cancel your subscription, you need to disable auto-renewal in your Apple ID settings at least 24 hours before the next billing date. Payments are charged to your Apple ID upon purchase confirmation.

## Version history (last 5 releases)

### 1.3.7 — 2026-06-26

bugs fixed

### 1.3.6 — 2026-05-27

bugs fixed

### 1.3.4 — 2026-05-20

What's New
Fresh Calendar
Track expiration dates for your groceries and get timely reminders before food goes bad — so nothing gets forgotten in the back of your fridge.
Bug fixes and stability improvements.

### 1.3.3 — 2026-05-15

fix bugs

### 1.3.2 — 2026-05-10

fix bugs

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-31.*