# 中医食品学 vs AllergyFlow

The clearest difference is in-app purchases: 中医食品学 at none against AllergyFlow's 2. AllergyFlow's advantage is update cadence (every 2 months vs every 26 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AllergyFlow sells 2 in-app purchases, starting at $4.99 per 7 days. 中医食品学 asks for nothing beyond the download.

中医食品学 ships an update every 26 months, AllergyFlow every 2 months. The most recent releases landed on October 10, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 中医食品学 | AllergyFlow |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 2 months** |
| Size | 27 MB | 10 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [yinyou.com](https://appshunter.io/developer/525956074) | [Oleksandr Prokhorov](https://appshunter.io/developer/1875671255) |

## What reviewers say

### 中医食品学

[App page](https://appshunter.io/ios/app/id1132018129)

**Features:** macOS Compatibility

**In-app purchases:** none


### AllergyFlow

[App page](https://appshunter.io/ios/app/allergyflow/id6785293848)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $4.99 | per 7 days |
| Premium Yearly | $49.99 | per year |


## Frequently asked questions

### Is 中医食品学 free?

中医食品学 is free to download, with no in-app purchases.

### Is AllergyFlow free?

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

### Do 中医食品学 or AllergyFlow have ads?

Neither 中医食品学 nor AllergyFlow shows ads.

### Which is updated more often, 中医食品学 or AllergyFlow?

中医食品学 ships an update every 26 months, and AllergyFlow every 2 months. Most recently, 中医食品学 was updated on October 10, 2026 and AllergyFlow on October 28, 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.*