# Vibrometer vs Spider Defense Squad

The clearest difference is price: Spider Defense Squad at Free against Vibrometer's $0.99. Spider Defense Squad also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.0). On update cadence, ads and in-app purchases there is nothing between them.

Spider Defense Squad is free to download; Vibrometer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Vibrometer ships an update every 21 months, Spider Defense Squad every 14 months. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Vibrometer | Spider Defense Squad |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/vibrometer/id353867884/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 14 months** |
| Monetization | Paid | — |
| Size | 6 MB | 132 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Gianluca Natalini](https://appshunter.io/developer/348380792) | [Talking Timpani LLC](https://appshunter.io/developer/1548200184) |

## 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


### Spider Defense Squad

[App page](https://appshunter.io/ios/app/spider-defense-squad/id1548200182)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Vibrometer free?

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

### Is Spider Defense Squad free?

Spider Defense Squad is free to download, with no in-app purchases.

### Do Vibrometer or Spider Defense Squad have ads?

Neither Vibrometer nor Spider Defense Squad shows ads.

### Which is updated more often, Vibrometer or Spider Defense Squad?

Vibrometer ships an update every 21 months, and Spider Defense Squad every 14 months. Most recently, Vibrometer was updated on October 9, 2026 and Spider Defense Squad on October 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.*