# Sliding Block Master vs Timing

The clearest difference is iOS requirement: Sliding Block Master at 12.0 against Timing's 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.

## The numbers

| Metric | Sliding Block Master | Timing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Weekly | — |
| Size | 160 MB | 7 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [洪涛 刘](https://appshunter.io/developer/1865036085) | [婷婷 陈](https://appshunter.io/developer/1889720052) |

## What reviewers say

### Sliding Block Master

[App page](https://appshunter.io/ios/app/sliding-block-master/id6761797298)

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

**In-app purchases:** none


### Timing

[App page](https://appshunter.io/ios/app/timingmath-reflex/id6762991884)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sliding Block Master free?

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

### Is Timing free?

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

### Do Sliding Block Master or Timing have ads?

Both Sliding Block Master and Timing show ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*