# 미즘 vs BySide

The clearest difference is in-app purchases: 미즘 at none against BySide's 1. 미즘 also leads on ads (none vs shown). BySide's advantage is update cadence (every 2 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. BySide sells 1 one-off in-app purchase. 미즘 asks for nothing beyond the download.

미즘 ships an update monthly, BySide every 2 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 미즘 | BySide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 days** |
| Size | 21 MB | 55 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [주식회사 그릿테리언](https://appshunter.io/developer/1604336933) | [Naegyeotui](https://appshunter.io/developer/6819150379) |

## What reviewers say

### 미즘

[App page](https://appshunter.io/ios/app/id6746229805)

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

**In-app purchases:** none


### BySide

[App page](https://appshunter.io/ios/app/byside-d-day-countdown/id6819150377)

**Features:** macOS Compatibility, Family Sharing, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 광고 제거 / Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is 미즘 free?

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

### Is BySide free?

BySide is free to download, with in-app purchases available.

### Do 미즘 or BySide have ads?

BySide shows ads; 미즘 does not.

### Which is updated more often, 미즘 or BySide?

미즘 ships an update monthly, and BySide every 2 days. Most recently, 미즘 was updated on October 28, 2026 and BySide on October 31, 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.*