# Zentropy vs 바이크뱅크

The clearest difference is iOS requirement: Zentropy at 13.2 against 바이크뱅크's 15.2. 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.

Zentropy ships an update every 2 months, 바이크뱅크 monthly. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Zentropy | 바이크뱅크 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 41 MB | 20 MB |
| Requires iOS | **13.2** | 15.2 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZENTROPY Co., Ltd.](https://appshunter.io/developer/1533955173) | [BikeBank Co.,Ltd.](https://appshunter.io/developer/1610956319) |

## What reviewers say

### Zentropy

[App page](https://appshunter.io/ios/app/zentropy/id1576810624)

**Features:** macOS Compatibility

**In-app purchases:** none


### 바이크뱅크

[App page](https://appshunter.io/ios/app/id1643443056)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zentropy free?

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

### Is 바이크뱅크 free?

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

### Do Zentropy or 바이크뱅크 have ads?

Neither Zentropy nor 바이크뱅크 shows ads.

### Which is updated more often, Zentropy or 바이크뱅크?

Zentropy ships an update every 2 months, and 바이크뱅크 monthly. Most recently, Zentropy was updated on October 8, 2026 and 바이크뱅크 on October 14, 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.*