# 3S Merch Plus vs LOPUS PDKS

The clearest difference is update cadence: LOPUS PDKS at every 4 days against 3S Merch Plus's every 2 months. LOPUS PDKS also leads on iOS requirement (15.5 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

3S Merch Plus ships an update every 2 months, LOPUS PDKS every 4 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 3S Merch Plus | LOPUS PDKS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 54 MB | 25 MB |
| Requires iOS | 17.6 | **15.5** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ACILIM BILGISAYAR SISTEMLERI SANAYI VE TICARET ANONIM SIRKETI](https://appshunter.io/developer/1485170424) | [Softeconomics Yazılım ve Danışmanlık A.Ş.](https://appshunter.io/developer/6783715524) |

## What reviewers say

### 3S Merch Plus

[App page](https://appshunter.io/ios/app/3s-merch-plus/id1531280457)

**In-app purchases:** none


### LOPUS PDKS

[App page](https://appshunter.io/ios/app/lopus-pdks/id6771793448)

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

**In-app purchases:** none


## Frequently asked questions

### Is 3S Merch Plus free?

3S Merch Plus is free to download, with no in-app purchases.

### Is LOPUS PDKS free?

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

### Do 3S Merch Plus or LOPUS PDKS have ads?

Neither 3S Merch Plus nor LOPUS PDKS shows ads.

### Which is updated more often, 3S Merch Plus or LOPUS PDKS?

3S Merch Plus ships an update every 2 months, and LOPUS PDKS every 4 days. Most recently, 3S Merch Plus was updated on October 25, 2026 and LOPUS PDKS 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.*