# 잔상(殘像) vs Threes

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

Both are free to download. Threes sells 1 one-off in-app purchase. 잔상(殘像) asks for nothing beyond the download.

잔상(殘像) ships an update weekly, Threes every 2 days. The most recent releases landed on November 10, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 잔상(殘像) | Threes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Size | 25 MB | 15 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Importants Studio](https://appshunter.io/developer/1762345819) | [ohttne](https://appshunter.io/developer/6788399225) |

## What reviewers say

### 잔상(殘像)

[App page](https://appshunter.io/ios/app/id6779294228)

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

**In-app purchases:** none


### Threes

[App page](https://appshunter.io/ios/app/threes-3s-3-video-diary/id6812920395)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Threes Pro (Lifetime) | $5.99 | one-time |


## Frequently asked questions

### Is 잔상(殘像) free?

잔상(殘像) is free to download, with no in-app purchases.

### Is Threes free?

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

### Do 잔상(殘像) or Threes have ads?

Threes shows ads; 잔상(殘像) does not.

### Which is updated more often, 잔상(殘像) or Threes?

잔상(殘像) ships an update weekly, and Threes every 2 days. Most recently, 잔상(殘像) was updated on November 10, 2026 and Threes on November 6, 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.*