# Z vs SAM Premier

The clearest difference is update cadence: Z at every 3 months against SAM Premier's every 6 months. Z also leads on iOS requirement (7.0 vs 12.1). 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.

Z ships an update every 3 months, SAM Premier every 6 months. The most recent releases landed on September 8, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Z | SAM Premier |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Size | 26 MB | 125 MB |
| Requires iOS | **7.0** | 12.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Heiman Technology Co., Ltd.](https://appshunter.io/developer/1060327146) | [DGIN International Corporation](https://appshunter.io/developer/1334618770) |

## What reviewers say

### Z

[App page](https://appshunter.io/ios/app/z-smart/id1102302983)

**Features:** macOS Compatibility

**In-app purchases:** none


### SAM Premier

[App page](https://appshunter.io/ios/app/sam-premier/id1605888329)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Z free?

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

### Is SAM Premier free?

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

### Do Z or SAM Premier have ads?

Neither Z nor SAM Premier shows ads.

### Which is updated more often, Z or SAM Premier?

Z ships an update every 3 months, and SAM Premier every 6 months. Most recently, Z was updated on September 8, 2026 and SAM Premier on June 11, 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.*