# OTIS 전자 계약 vs IFC Seoul

The clearest difference is iOS requirement: OTIS 전자 계약 at 13.5 against IFC Seoul's 16.4. 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.

OTIS 전자 계약 ships an update every 2 weeks, IFC Seoul every 3 weeks. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OTIS 전자 계약 | IFC Seoul |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 8 MB | 74 MB |
| Requires iOS | **13.5** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OTIS Elevator Korea](https://appshunter.io/developer/1556769837) | [Pinpoint Corp.](https://appshunter.io/developer/1619932101) |

## What reviewers say

### OTIS 전자 계약

[App page](https://appshunter.io/ios/app/otis/id1556769835)

**Features:** macOS Compatibility

**In-app purchases:** none


### IFC Seoul

[App page](https://appshunter.io/ios/app/ifc-seoul/id6761813365)

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

**In-app purchases:** none


## Frequently asked questions

### Is OTIS 전자 계약 free?

OTIS 전자 계약 is free to download, with no in-app purchases.

### Is IFC Seoul free?

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

### Do OTIS 전자 계약 or IFC Seoul have ads?

Neither OTIS 전자 계약 nor IFC Seoul shows ads.

### Which is updated more often, OTIS 전자 계약 or IFC Seoul?

OTIS 전자 계약 ships an update every 2 weeks, and IFC Seoul every 3 weeks. Most recently, OTIS 전자 계약 was updated on October 15, 2026 and IFC Seoul on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*