# SIG頭皮仙子AR vs OSO Pay

The clearest difference is update cadence: OSO Pay at every 10 days against SIG頭皮仙子AR's every 3 weeks. SIG頭皮仙子AR's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

SIG頭皮仙子AR ships an update every 3 weeks, OSO Pay every 10 days. Both last shipped on October 27, 2026.

## The numbers

| Metric | SIG頭皮仙子AR | OSO Pay |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Size | 223 MB | 540 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SILENCE IS GOLD INC.](https://appshunter.io/developer/1639469945) | [雲程在線股份有限公司](https://appshunter.io/developer/1436002029) |

## What reviewers say

### SIG頭皮仙子AR

[App page](https://appshunter.io/ios/app/sigar/id1639469943)

**Features:** macOS Compatibility

**In-app purchases:** none


### OSO Pay

[App page](https://appshunter.io/ios/app/oso-pay/id1665519760)

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SIG頭皮仙子AR free?

SIG頭皮仙子AR is free to download, with no in-app purchases.

### Is OSO Pay free?

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

### Do SIG頭皮仙子AR or OSO Pay have ads?

Neither SIG頭皮仙子AR nor OSO Pay shows ads.

### Which is updated more often, SIG頭皮仙子AR or OSO Pay?

SIG頭皮仙子AR ships an update every 3 weeks, and OSO Pay every 10 days. Most recently, SIG頭皮仙子AR was updated on October 27, 2026 and OSO Pay 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.*