# 서초 스마트시티 vs iokey

The clearest difference is update cadence: 서초 스마트시티 at every 2 months against iokey's every 4 months. 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.

서초 스마트시티 ships an update every 2 months, iokey every 4 months. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 서초 스마트시티 | iokey |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 12 MB | 14 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Seochogu Office](https://appshunter.io/developer/488026000) | [Dambee Technology Co., Ltd.](https://appshunter.io/developer/1470217773) |

## What reviewers say

### 서초 스마트시티

[App page](https://appshunter.io/ios/app/id1481936211)

Access smart city information for Seocho District, including details on carbon-neutral shops, transparent PET bottle collection points, and electric vehicle charging stations. Stay informed about eco-friendly initiatives and urban services.

**Highlights:** Smart city information, Carbon-neutral shop details, Transparent PET bottle collection, Electric vehicle charging station locations, Urban service updates

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

**In-app purchases:** none


### iokey

[App page](https://appshunter.io/ios/app/iokey/id1502213625)

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

**In-app purchases:** none


## Frequently asked questions

### Is 서초 스마트시티 free?

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

### Is iokey free?

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

### Do 서초 스마트시티 or iokey have ads?

Neither 서초 스마트시티 nor iokey shows ads.

### Which is updated more often, 서초 스마트시티 or iokey?

서초 스마트시티 ships an update every 2 months, and iokey every 4 months. Most recently, 서초 스마트시티 was updated on October 15, 2026 and iokey on October 5, 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.*