# Vibrometer vs Retro Arcade for Watch

The clearest difference is price: Retro Arcade for Watch at Free against Vibrometer's $0.99. Retro Arcade for Watch also leads on rating (4.1 vs 3.0) and update cadence (every 6 days vs every 21 months). Vibrometer's advantage is in-app purchases (none vs 6) and ads (none vs shown).

Retro Arcade for Watch is free to download; Vibrometer costs $0.99 up front. Retro Arcade for Watch sells 6 one-off in-app purchases. Vibrometer asks for nothing beyond the download.

Retro Arcade for Watch holds the better App Store score, 4.1 against 3.0. That said, the two scores are not equally well evidenced: Retro Arcade for Watch has 54 ratings behind it against 2, so its average is the more settled of the two.

Vibrometer ships an update every 21 months, Retro Arcade for Watch every 6 days. The most recent releases landed on October 29, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Vibrometer | Retro Arcade for Watch |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/vibrometer/id353867884/reviews) | **[4.1 (54 ratings)](https://appshunter.io/ios/app/retro-arcade-for-watch/id1667674066/reviews)** |
| Number of ratings | 2 | **54** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 21 months | **Every 6 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 6 MB | 118 MB |
| Requires iOS | 18.0 | **16.1** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Gianluca Natalini](https://appshunter.io/developer/348380792) | [Red Sprite Studios](https://appshunter.io/developer/493770851) |

## What reviewers say

### Vibrometer

[App page](https://appshunter.io/ios/app/vibrometer/id353867884)

This game challenges players to remain as motionless as possible to win. It also functions as a tool to measure and record real-time vibrations, calculating energy consumed and acceleration data.

**Highlights:** Real-time vibration measurement, Energy consumption counter, Vibration recording, Multiplayer stillness challenges, Acceleration data charting, Save and email acceleration diagrams

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

**In-app purchases:** none


### Retro Arcade for Watch

[App page](https://appshunter.io/ios/app/retro-arcade-for-watch/id1667674066)

Experience a collection of classic arcade action games on your wrist and phone. Enjoy retro graphics, power-ups, and competitive leaderboards. Play for free with credits or unlock unlimited gameplay by purchasing individual titles.

**Highlights:** Collection of classic arcade games, Retro graphics and power-ups, Intuitive Watch Crown controls, Swipe controls for iPhone, Game Center leaderboards, Short burst gameplay

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Area 51 | $0.49 | one-time |
| Tank Commando | $0.99 | one-time |
| Kepler Attack | $1.99 | one-time |
| Assault Jet | $1.99 | one-time |
| Red Baron | $1.99 | one-time |
| Asteroid! | $1.99 | one-time |


## Frequently asked questions

### Is Vibrometer free?

Vibrometer costs $0.99, with no in-app purchases.

### Is Retro Arcade for Watch free?

Retro Arcade for Watch is free to download, with in-app purchases available.

### Which has better reviews, Vibrometer or Retro Arcade for Watch?

Retro Arcade for Watch is rated higher. Vibrometer averages 3.0 out of 5 from 2 ratings, while Retro Arcade for Watch averages 4.1 from 54 ratings.

### Do Vibrometer or Retro Arcade for Watch have ads?

Retro Arcade for Watch shows ads; Vibrometer does not.

### Which is updated more often, Vibrometer or Retro Arcade for Watch?

Vibrometer ships an update every 21 months, and Retro Arcade for Watch every 6 days. Most recently, Vibrometer was updated on October 29, 2026 and Retro Arcade for Watch on October 22, 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.*