# FlowITZ vs Clockblock

The clearest difference is in-app purchases: FlowITZ at none against Clockblock's 1. FlowITZ also leads on device support (3 vs 1) and iOS requirement (14.0.0 vs 26.1). Clockblock's advantage is update cadence (every 2 months vs every 6 months). On price and ads there is nothing between them.

Both are free to download. Clockblock sells 1 one-off in-app purchase. FlowITZ asks for nothing beyond the download.

FlowITZ ships an update every 6 months, Clockblock every 2 months. The most recent releases landed on October 10, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | FlowITZ | Clockblock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 25 MB | 51 MB |
| Requires iOS | **14.0.0** | 26.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Simple Apps Lab LLC](https://appshunter.io/developer/1728894404) | [James Bradley](https://appshunter.io/developer/1598701437) |

## What reviewers say

### FlowITZ

[App page](https://appshunter.io/ios/app/flowitz-writing-timer/id6477298557)

**Features:** macOS Compatibility

**In-app purchases:** none


### Clockblock

[App page](https://appshunter.io/ios/app/clockblock-alarm-and-blocker/id6760527313)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Clock Block Full Unlock | $5.99 | one-time |


## Frequently asked questions

### Is FlowITZ free?

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

### Is Clockblock free?

Clockblock is free to download, with in-app purchases available.

### Do FlowITZ or Clockblock have ads?

Neither FlowITZ nor Clockblock shows ads.

### Which is updated more often, FlowITZ or Clockblock?

FlowITZ ships an update every 6 months, and Clockblock every 2 months. Most recently, FlowITZ was updated on October 10, 2026 and Clockblock on October 18, 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.*