# IVCHECKIN vs 아차차

The clearest difference is ads: IVCHECKIN at none against 아차차's shown. IVCHECKIN also leads on iOS requirement (11.0 vs 14.0). 아차차's advantage is update cadence (every 2 days vs every 16 months). 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.

IVCHECKIN ships an update every 16 months, 아차차 every 2 days. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | IVCHECKIN | 아차차 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 16 months | **Every 2 days** |
| Size | 1 MB | 12 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [JUN HWANG](https://appshunter.io/developer/1522298006) | [Chaehui Seo](https://appshunter.io/developer/1533035572) |

## What reviewers say

### IVCHECKIN

[App page](https://appshunter.io/ios/app/ivcheckin/id6450360500)

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

**In-app purchases:** none


### 아차차

[App page](https://appshunter.io/ios/app/id6468587143)

**In-app purchases:** none


## Frequently asked questions

### Is IVCHECKIN free?

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

### Is 아차차 free?

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

### Do IVCHECKIN or 아차차 have ads?

아차차 shows ads; IVCHECKIN does not.

### Which is updated more often, IVCHECKIN or 아차차?

IVCHECKIN ships an update every 16 months, and 아차차 every 2 days. Most recently, IVCHECKIN was updated on October 2, 2026 and 아차차 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.*