# JHT Engineering APP vs Vibration Timer

The clearest difference is ads: JHT Engineering APP at none against Vibration Timer's shown. JHT Engineering APP also leads on update cadence (every 4 months vs every 11 months) and iOS requirement (12 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.

JHT Engineering APP ships an update every 4 months, Vibration Timer every 11 months. The most recent releases landed on September 19, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | JHT Engineering APP | Vibration Timer |
| --- | --- | --- |
| 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 | **No** | Yes |
| Update frequency | **Every 4 months** | Every 11 months |
| Monetization | — | Ad-supported |
| Size | 13 MB | 10 MB |
| Requires iOS | **12** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JOHNSON HEALTH TECH CO., LTD.](https://appshunter.io/developer/994439492) | [FugaPiyo Inc.](https://appshunter.io/developer/1497887610) |

## What reviewers say

### JHT Engineering APP

[App page](https://appshunter.io/ios/app/jht-engineering-app/id1474324542)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is JHT Engineering APP free?

JHT Engineering APP is free to download, with no in-app purchases.

### Is Vibration Timer free?

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

### Do JHT Engineering APP or Vibration Timer have ads?

Vibration Timer shows ads; JHT Engineering APP does not.

### Which is updated more often, JHT Engineering APP or Vibration Timer?

JHT Engineering APP ships an update every 4 months, and Vibration Timer every 11 months. Most recently, JHT Engineering APP was updated on September 19, 2026 and Vibration Timer on September 14, 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.*