# Periodic Timer vs Metronome Acoustic/Haptic

The clearest difference is review sentiment: Periodic Timer at 52% against Metronome Acoustic/Haptic's 0%. Metronome Acoustic/Haptic's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Periodic Timer ships an update every 2 months, Metronome Acoustic/Haptic every 3 weeks. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Periodic Timer | Metronome Acoustic/Haptic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (167 ratings)](https://appshunter.io/ios/app/periodic-timer/id933241656/reviews)** | — |
| Number of ratings | **167** | — |
| Positive reviews | **52.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 23 MB | 19 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Kelin](https://appshunter.io/developer/933241655) | [Bernhard Krenz](https://appshunter.io/developer/1058647568) |

## What reviewers say

### Periodic Timer

[App page](https://appshunter.io/ios/app/periodic-timer/id933241656)

This app provides a simple, repeating interval timer that can run in the background without distracting you. It offers customizable alerts, quick start options, and prevents your screen from locking while active. Ideal for various activities like fitness, cooking, and learning.

**Highlights:** Repeating interval timer, Background operation, Customizable alerts (vibration/sound), Prevent lockscreen, Shake to start, Multiple timer output modes

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and intuitive interface
- ⏱️ Effective repeating/interval timer functionality
- 🎯 Does exactly what it's designed to do
- 🔇 Vibration-only option available
- 📱 Works in background with screen off

**What reviewers complain about**

- 🔊 Sound/notification issues (unreliable or missing)
- 💰 Aggressive premium upselling in free version
- 🐛 Timer cancels when phone is shaken
- 🔋 Activates heart rate sensor, drains battery
- 📵 Doesn't work reliably with screen locked

**Reported bugs**

- Sound/notifications fail to trigger despite settings enabled
- Timer cancels when phone is shaken or moved
- Vibration doesn't work when screen is locked or off
- App crashes on launch (especially after updates)
- Watch app crashes or doesn't function

**Requested features**

- Adjustable sound volume and custom alert sounds
- Customizable vibration patterns
- Settings menu for user preferences
- Ability to add notes/labels to timers
- Seconds-only timer option


### Metronome Acoustic/Haptic

[App page](https://appshunter.io/ios/app/metronome-acoustichaptic/id1670413636)

This utility provides a metronome for runners and musicians, offering customizable beats per minute and tone selection. It also features haptic feedback and can be controlled remotely via an Apple Watch.

**Highlights:** Adjustable beats per minute, Selectable tones, Haptic feedback option, Apple Watch remote control, Independent Apple Watch app

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Periodic Timer free?

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

### Is Metronome Acoustic/Haptic free?

Metronome Acoustic/Haptic is free to download, with no in-app purchases.

### Do Periodic Timer or Metronome Acoustic/Haptic have ads?

Neither Periodic Timer nor Metronome Acoustic/Haptic shows ads.

### Which is updated more often, Periodic Timer or Metronome Acoustic/Haptic?

Periodic Timer ships an update every 2 months, and Metronome Acoustic/Haptic every 3 weeks. Most recently, Periodic Timer was updated on October 11, 2026 and Metronome Acoustic/Haptic on October 10, 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.*