# 石慧行 vs Size Companion

The clearest difference is review sentiment: Size Companion at 100% against 石慧行's 0%. 石慧行's advantage is iOS requirement (13.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

石慧行 ships an update every 5 weeks, Size Companion every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 石慧行 | Size Companion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (3 ratings)](https://appshunter.io/ios/app/id6444716093/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | — | Free |
| Size | 98 MB | 20 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [石家庄市轨道交通集团有限责任公司](https://appshunter.io/developer/1449805506) | [堃 王](https://appshunter.io/developer/6795174519) |

## What reviewers say

### 石慧行

[App page](https://appshunter.io/ios/app/id6444716093)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Size Companion

[App page](https://appshunter.io/ios/app/size-companion/id6796623529)

Easily convert and compare clothing and shoe sizes across different regions. Create profiles for family members to store their usual measurements and access reference charts. This app also helps stores check incoming stock by mapping supplier labels to store sizes.

**Highlights:** Cross-region size conversion, Personal and family profiles, Store stock checking, Measurement guides, Centimeter/inch conversion, Photo text recognition

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

**In-app purchases:** none


## Frequently asked questions

### Is 石慧行 free?

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

### Is Size Companion free?

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

### Do 石慧行 or Size Companion have ads?

Neither 石慧行 nor Size Companion shows ads.

### Which is updated more often, 石慧行 or Size Companion?

石慧行 ships an update every 5 weeks, and Size Companion every 2 months. Most recently, 石慧行 was updated on October 24, 2026 and Size Companion on October 25, 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.*