# Simple Pomodoro Timer + Watch vs Ziro

The clearest difference is ads: Ziro at none against Simple Pomodoro Timer + Watch's shown. Ziro also leads on iOS requirement (15.1 vs 17.0). Simple Pomodoro Timer + Watch's advantage is update cadence (every 4 days vs every 2 months). On price, 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.

Simple Pomodoro Timer + Watch ships an update every 4 days, Ziro every 2 months. The most recent releases landed on September 10, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Simple Pomodoro Timer + Watch | Ziro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 2 months |
| Size | 9 MB | 46 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Ito](https://appshunter.io/developer/1774128370) | [Innolope](https://appshunter.io/developer/1830527288) |

## What reviewers say

### Simple Pomodoro Timer + Watch

[App page](https://appshunter.io/ios/app/simple-pomodoro-timer-plus-watch/id6736993715)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Ziro

[App page](https://appshunter.io/ios/app/ziro-binary-clock-and-focus/id6756921343)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Pomodoro Timer + Watch free?

Simple Pomodoro Timer + Watch is free to download, with no in-app purchases.

### Is Ziro free?

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

### Do Simple Pomodoro Timer + Watch or Ziro have ads?

Simple Pomodoro Timer + Watch shows ads; Ziro does not.

### Which is updated more often, Simple Pomodoro Timer + Watch or Ziro?

Simple Pomodoro Timer + Watch ships an update every 4 days, and Ziro every 2 months. Most recently, Simple Pomodoro Timer + Watch was updated on September 10, 2026 and Ziro on September 24, 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.*