# Propeller Vibration vs VFD Cable Sizing Calc

The clearest difference is price: VFD Cable Sizing Calc at Free against Propeller Vibration's $23.99. VFD Cable Sizing Calc also leads on update cadence (every 5 months vs every 43 months). Propeller Vibration's advantage is iOS requirement (12.0 vs 16.5). On ads, in-app purchases and device support there is nothing between them.

VFD Cable Sizing Calc is free to download; Propeller Vibration costs $23.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Propeller Vibration ships an update every 43 months, VFD Cable Sizing Calc every 5 months. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Propeller Vibration | VFD Cable Sizing Calc |
| --- | --- | --- |
| Price | $23.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | **Every 5 months** |
| Size | 9 MB | 5 MB |
| Requires iOS | **12.0** | 16.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [DOAO Consulting AB](https://appshunter.io/developer/1181701800) | [Southwire Company](https://appshunter.io/developer/440338423) |

## What reviewers say

### Propeller Vibration

[App page](https://appshunter.io/ios/app/propeller-vibration/id1216065698)

**In-app purchases:** none


### VFD Cable Sizing Calc

[App page](https://appshunter.io/ios/app/vfd-cable-sizing-calc/id6452802915)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Propeller Vibration free?

Propeller Vibration costs $23.99, with no in-app purchases.

### Is VFD Cable Sizing Calc free?

VFD Cable Sizing Calc is free to download, with no in-app purchases.

### Do Propeller Vibration or VFD Cable Sizing Calc have ads?

Neither Propeller Vibration nor VFD Cable Sizing Calc shows ads.

### Which is updated more often, Propeller Vibration or VFD Cable Sizing Calc?

Propeller Vibration ships an update every 43 months, and VFD Cable Sizing Calc every 5 months. Most recently, Propeller Vibration was updated on October 12, 2026 and VFD Cable Sizing Calc on October 3, 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.*