# 이음 OMS vs 사이페이

The clearest difference is ads: 이음 OMS at none against 사이페이's shown. 사이페이's advantage is iOS requirement (15.0 vs 26.2). On price, 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.

## The numbers

| Metric | 이음 OMS | 사이페이 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (15 ratings)](https://appshunter.io/ios/app/id6782810499/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 days |
| Size | 3 MB | 98 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Userinsight Co., LTD.](https://appshunter.io/developer/573147316) | [JG LUNA](https://appshunter.io/developer/6782810501) |

## What reviewers say

### 이음 OMS

[App page](https://appshunter.io/ios/app/oms/id6762690679)

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

**In-app purchases:** none


### 사이페이

[App page](https://appshunter.io/ios/app/id6782810499)

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

**In-app purchases:** none


## Frequently asked questions

### Is 이음 OMS free?

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

### Is 사이페이 free?

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

### Do 이음 OMS or 사이페이 have ads?

사이페이 shows ads; 이음 OMS does not.

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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.*