# Vibration Timer vs SafetyCertification

The clearest difference is ads: SafetyCertification at none against Vibration Timer's shown. SafetyCertification also leads on update cadence (every 3 weeks vs every 11 months) and iOS requirement (15.6 vs 26.0). 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.

Vibration Timer ships an update every 11 months, SafetyCertification every 3 weeks. The most recent releases landed on September 14, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Vibration Timer | SafetyCertification |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (13 ratings)](https://appshunter.io/ios/app/vibration-timer-vibrator-app/id6446075487/reviews)** | — |
| Number of ratings | **13** | — |
| 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 | 9 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FugaPiyo Inc.](https://appshunter.io/developer/1497887610) | [PT CITRA INTERNATIONAL DIGITAL](https://appshunter.io/developer/1770950914) |

## 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


### SafetyCertification

[App page](https://appshunter.io/ios/app/safetycertification/id6737294921)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Vibration Timer free?

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

### Is SafetyCertification free?

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

### Do Vibration Timer or SafetyCertification have ads?

Vibration Timer shows ads; SafetyCertification does not.

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

Vibration Timer ships an update every 11 months, and SafetyCertification every 3 weeks. Most recently, Vibration Timer was updated on September 14, 2026 and SafetyCertification on June 5, 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.*