# 왓솝 vs O'llo

The clearest difference is in-app purchases: 왓솝 at none against O'llo's 1. 왓솝 also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.4). O'llo's advantage is update cadence (every 3 days vs every 7 months). On price and ads there is nothing between them.

Both are free to download. O'llo sells 1 in-app purchase, starting at $4.99 per month. 왓솝 asks for nothing beyond the download.

왓솝 ships an update every 7 months, O'llo every 3 days. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 왓솝 | O'llo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 days** |
| Size | 19 MB | 78 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [ECOCATION Co.,Ltd.](https://appshunter.io/developer/1373646843) | [JAEWON MOON](https://appshunter.io/developer/6787824666) |

## What reviewers say

### 왓솝

[App page](https://appshunter.io/ios/app/id1373646844)

**Features:** macOS Compatibility

**In-app purchases:** none


### O'llo

[App page](https://appshunter.io/ios/app/ollo/id6787824664)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| O'llo Pro | $4.99 | per month |


## Frequently asked questions

### Is 왓솝 free?

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

### Is O'llo free?

O'llo is free to download, with in-app purchases available.

### Do 왓솝 or O'llo have ads?

Neither 왓솝 nor O'llo shows ads.

### Which is updated more often, 왓솝 or O'llo?

왓솝 ships an update every 7 months, and O'llo every 3 days. Most recently, 왓솝 was updated on October 16, 2026 and O'llo on October 18, 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.*