# SmartStream Q vs Pixel Clock

The clearest difference is update cadence: Pixel Clock at every 6 days against SmartStream Q's monthly. SmartStream Q's advantage is iOS requirement (12.0 vs 15.0). 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.

SmartStream Q ships an update monthly, Pixel Clock every 6 days. The most recent releases landed on September 27, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SmartStream Q | Pixel Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 6 days** |
| Size | 13 MB | 79 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Artem Godlevskyy](https://appshunter.io/developer/1512383756) | [YIMING SHI](https://appshunter.io/developer/1778404172) |

## What reviewers say

### SmartStream Q

[App page](https://appshunter.io/ios/app/smartstream-q/id1512383757)

**In-app purchases:** none


### Pixel Clock

[App page](https://appshunter.io/ios/app/pixel-clock-grid/id6737881546)

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

**In-app purchases:** none


## Frequently asked questions

### Is SmartStream Q free?

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

### Is Pixel Clock free?

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

### Do SmartStream Q or Pixel Clock have ads?

Neither SmartStream Q nor Pixel Clock shows ads.

### Which is updated more often, SmartStream Q or Pixel Clock?

SmartStream Q ships an update monthly, and Pixel Clock every 6 days. Most recently, SmartStream Q was updated on September 27, 2026 and Pixel Clock on October 9, 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.*