# SD Master vs Queue On Merchant

The clearest difference is update cadence: SD Master at every 2 months against Queue On Merchant's every 3 months. SD Master also leads on iOS requirement (9.0 vs 12.0). 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.

SD Master ships an update every 2 months, Queue On Merchant every 3 months. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SD Master | Queue On Merchant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 28 MB | 62 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Zhumang Information Technology Co., Ltd.](https://appshunter.io/developer/1578234346) | [VISION EXPERTS ESTABLISHMENT FOR INFORMATION TECHNOLOGY](https://appshunter.io/developer/1576560901) |

## What reviewers say

### SD Master

[App page](https://appshunter.io/ios/app/sd-master/id1491447628)

**Features:** macOS Compatibility

**In-app purchases:** none


### Queue On Merchant

[App page](https://appshunter.io/ios/app/queue-on-merchant/id1577250062)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SD Master free?

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

### Is Queue On Merchant free?

Queue On Merchant is free to download, with no in-app purchases.

### Do SD Master or Queue On Merchant have ads?

Neither SD Master nor Queue On Merchant shows ads.

### Which is updated more often, SD Master or Queue On Merchant?

SD Master ships an update every 2 months, and Queue On Merchant every 3 months. Most recently, SD Master was updated on October 5, 2026 and Queue On Merchant on October 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.*