# 시소 vs 커플링

The clearest difference is in-app purchases: 커플링 at none against 시소's 5. 커플링 also leads on update cadence (every 2 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 시소 sells 5 one-off in-app purchases. 커플링 asks for nothing beyond the download.

시소 ships an update every 2 weeks, 커플링 every 2 days. The most recent releases landed on September 23, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | 시소 | 커플링 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 46 MB | 31 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [PLION Corp.](https://appshunter.io/developer/377841185) | [liz tv](https://appshunter.io/developer/1840653802) |

## What reviewers say

### 시소

[App page](https://appshunter.io/ios/app/50-plus/id6744629309)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 시소 딱지 18개 충전 | $2.99 | one-time |
| 시소 딱지 35개 충전 | $4.99 | one-time |
| 시소 딱지 70개 충전 | $9.99 | one-time |
| 시소 딱지 175개 충전 | $29.99 | one-time |
| 시소 딱지 350개 충전 | $49.99 | one-time |


### 커플링

[App page](https://appshunter.io/ios/app/coupling/id6752711029)

**In-app purchases:** none


## Frequently asked questions

### Is 시소 free?

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

### Is 커플링 free?

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

### Do 시소 or 커플링 have ads?

Neither 시소 nor 커플링 shows ads.

### Which is updated more often, 시소 or 커플링?

시소 ships an update every 2 weeks, and 커플링 every 2 days. Most recently, 시소 was updated on September 23, 2026 and 커플링 on September 13, 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.*