# Timer vs Zenn OTP

The clearest difference is price: Zenn OTP at Free against Timer's $3.99. Zenn OTP also leads on update cadence (every 3 weeks vs every 7 months). Timer's advantage is iOS requirement (12 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

Zenn OTP is free to download; Timer costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Timer ships an update every 7 months, Zenn OTP every 3 weeks. Both last shipped on September 28, 2026.

## The numbers

| Metric | Timer | Zenn OTP |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.8 (218 ratings)](https://appshunter.io/ios/app/timer/id286567378/reviews)** | — |
| Number of ratings | **218** | — |
| Positive reviews | 80.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 24 MB | 17 MB |
| Requires iOS | **12** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Francis Bonnin](https://appshunter.io/developer/284043095) | [ZENN BILISIM TEKNOLOJILERI SANAYI VE TICARET ANONIM SIRKETI](https://appshunter.io/developer/1607161974) |

## What reviewers say

### Timer

[App page](https://appshunter.io/ios/app/timer/id286567378)

This advanced timer allows for precise time management across various activities. Set multiple special events with customizable triggers like sounds, messages, or screen flashing. It's ideal for games, workouts, cooking, meditation, and any task requiring accurate timing, even when the app is in the background.

**Highlights:** Multiple complex timers simultaneously, Scheduled event triggers (sounds, messages, photos), Customizable display modes (textual, graphical), Background operation with sound/message alerts, Looping timers, Delayed start and flexible stop time entry, Screen blocking and flashlight alerts

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

**In-app purchases:** none

**What reviewers like**

- 👍 Great for workouts and exercises
- 🚀 Highly customizable and versatile
- 🔔 Excellent timer with multiple alert options
- 💡 Useful for presentations and meetings
- 👍 Easy to use and intuitive interface

**What reviewers complain about**

- 🐛 Occasional bugs and stability issues
- 🔋 Can drain battery when running in the background
- 🔍 Confusing interface with too many advanced features
- 🔇 Sound alerts not always working as expected

**Reported bugs**

- Timer randomly changing time during use
- Alarm not sounding when app is in background
- Screen dimming and locking issues

**Requested features**

- Multiple timers running concurrently
- Ability to save and share custom timer presets
- More vibration and sound alert options
- Improved background mode and iOS 4 support


### Zenn OTP

[App page](https://appshunter.io/ios/app/zenn-otp/id6443748609)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Timer free?

Timer costs $3.99, with no in-app purchases.

### Is Zenn OTP free?

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

### Do Timer or Zenn OTP have ads?

Neither Timer nor Zenn OTP shows ads.

### Which is updated more often, Timer or Zenn OTP?

Timer ships an update every 7 months, and Zenn OTP every 3 weeks. Most recently, Timer was updated on September 28, 2026 and Zenn OTP on September 28, 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.*