# Zen vs outtimer

The clearest difference is price: outtimer at Free against Zen's $9.99. Zen's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence, device support and iOS requirement there is nothing between them.

outtimer is free to download; Zen costs $9.99 up front. outtimer sells 1 one-off in-app purchase. Zen asks for nothing beyond the download.

Zen ships an update every 2 weeks, outtimer every 9 days. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Zen | outtimer |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Size | 46 MB | 28 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Donado Labs](https://appshunter.io/developer/1883010815) | [polroute](https://appshunter.io/developer/6782382959) |

## What reviewers say

### Zen

[App page](https://appshunter.io/ios/app/zen-private-habit-tracker/id6760182618)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### outtimer

[App page](https://appshunter.io/ios/app/outtimer-on-time-voice-timer/id6814711918)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | one-time |


## Frequently asked questions

### Is Zen free?

Zen costs $9.99, with no in-app purchases.

### Is outtimer free?

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

### Do Zen or outtimer have ads?

outtimer shows ads; Zen does not.

### Which is updated more often, Zen or outtimer?

Zen ships an update every 2 weeks, and outtimer every 9 days. Most recently, Zen was updated on October 6, 2026 and outtimer on October 8, 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.*