# Vibration Timer vs PetriMail

The clearest difference is ads: PetriMail at none against Vibration Timer's shown. PetriMail also leads on update cadence (every 3 weeks vs every 11 months) and device support (4 vs 2). On price and in-app purchases there is nothing between them.

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

Vibration Timer ships an update every 11 months, PetriMail every 3 weeks. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Vibration Timer | PetriMail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (16 ratings)](https://appshunter.io/ios/app/vibration-timer-vibrator-app/id6446075487/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 10 MB | 25 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 12+ |
| Developer | [FugaPiyo Inc.](https://appshunter.io/developer/1497887610) | [Petri Tecnologia](https://appshunter.io/developer/1599111722) |

## What reviewers say

### Vibration Timer

[App page](https://appshunter.io/ios/app/vibration-timer-vibrator-app/id6446075487)

This utility app provides a silent timer that relies solely on vibration for notifications. It offers unlimited preset timers with customizable labels and colors, and can send strong vibration alerts even when the app is in the background. The interface supports dark mode and displays an icon badge when a timer is active.

**Highlights:** Silent vibration-only notifications, Unlimited preset timers, Customizable timer labels and colors, Background vibration alerts, Icon badge display, Dark mode support

**Features:** Vision Pro support

**In-app purchases:** none


### PetriMail

[App page](https://appshunter.io/ios/app/petrimail/id6789877596)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Vibration Timer free?

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

### Is PetriMail free?

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

### Do Vibration Timer or PetriMail have ads?

Vibration Timer shows ads; PetriMail does not.

### Which is updated more often, Vibration Timer or PetriMail?

Vibration Timer ships an update every 11 months, and PetriMail every 3 weeks. Most recently, Vibration Timer was updated on November 3, 2026 and PetriMail on October 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.*