# 居酒屋　けんちゃん vs Aerien

居酒屋　けんちゃん and Aerien are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 38 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | 居酒屋　けんちゃん | Aerien |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | Every 38 months |
| Size | 30 MB | 19 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [KENTA UETA](https://appshunter.io/developer/1620108597) | [KODAI SEITO](https://appshunter.io/developer/1630907620) |

## What reviewers say

### 居酒屋　けんちゃん

[App page](https://appshunter.io/ios/app/id1620108595)

**In-app purchases:** none


### Aerien

[App page](https://appshunter.io/ios/app/aerien/id1630907618)

**In-app purchases:** none


## Frequently asked questions

### Is 居酒屋　けんちゃん free?

居酒屋　けんちゃん is free to download, with no in-app purchases.

### Is Aerien free?

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

### Do 居酒屋　けんちゃん or Aerien have ads?

Neither 居酒屋　けんちゃん nor Aerien shows ads.

### Which is updated more often, 居酒屋　けんちゃん or Aerien?

居酒屋　けんちゃん ships an update every 38 months, and Aerien every 38 months. Most recently, 居酒屋　けんちゃん was updated on October 27, 2026 and Aerien 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.*