# 用用 vs 出口退税查询｜HS Code退税助手

The clearest difference is in-app purchases: 用用 at none against 出口退税查询｜HS Code退税助手's 1. 用用 also leads on update cadence (fortnightly vs every 5 weeks) and iOS requirement (13.4 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 出口退税查询｜HS Code退税助手 sells 1 in-app purchase, starting at $6.99 per month. 用用 asks for nothing beyond the download.

用用 ships an update fortnightly, 出口退税查询｜HS Code退税助手 every 5 weeks. The most recent releases landed on August 26, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | 用用 | 出口退税查询｜HS Code退税助手 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 23 MB | 4 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [诺 李](https://appshunter.io/developer/1504847419) | [镇 王](https://appshunter.io/developer/1734344053) |

## What reviewers say

### 用用

[App page](https://appshunter.io/ios/app/id6483861795)

This utility app helps you record and manage your experiences with barcoded items. Easily track your usage, refer to your past reviews for future purchases, and benefit from other users' authentic feedback to make informed shopping decisions.

**Highlights:** Record usage experiences, View other users' reviews, Tag and categorize items, Quick entry via barcode scan, Personalized shopping decisions

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

**In-app purchases:** none


### 出口退税查询｜HS Code退税助手

[App page](https://appshunter.io/ios/app/hs-code/id6746142142)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 按月订阅 | $6.99 | per month |


## Frequently asked questions

### Is 用用 free?

用用 is free to download, with no in-app purchases.

### Is 出口退税查询｜HS Code退税助手 free?

出口退税查询｜HS Code退税助手 is free to download, with in-app purchases available.

### Do 用用 or 出口退税查询｜HS Code退税助手 have ads?

Neither 用用 nor 出口退税查询｜HS Code退税助手 shows ads.

### Which is updated more often, 用用 or 出口退税查询｜HS Code退税助手?

用用 ships an update fortnightly, and 出口退税查询｜HS Code退税助手 every 5 weeks. Most recently, 用用 was updated on August 26, 2026 and 出口退税查询｜HS Code退税助手 on September 8, 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.*