# Diameter Finder vs VC controller

The clearest difference is iOS requirement: Diameter Finder at 12.1 against VC controller's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Diameter Finder ships an update every 5 months, VC controller every 4 months. The most recent releases landed on September 19, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Diameter Finder | VC controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/diameter-finder-circle-calc/id6463205574/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 13 MB | 3 MB |
| Requires iOS | **12.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Krzysztof Gwiazda](https://appshunter.io/developer/1546740383) | [Innosonian Inc.](https://appshunter.io/developer/1345888426) |

## What reviewers say

### Diameter Finder

[App page](https://appshunter.io/ios/app/diameter-finder-circle-calc/id6463205574)

This utility app provides a straightforward way to calculate circle properties. Simply input one known value (radius, diameter, circumference, or area) to instantly get the results for the others. It's designed for quick and no-fuss calculations.

**Highlights:** Calculate radius, Calculate diameter, Calculate circumference, Calculate area, Input any single value, Quick results

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

**In-app purchases:** none


### VC controller

[App page](https://appshunter.io/ios/app/vc-controller/id6746032821)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Diameter Finder free?

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

### Is VC controller free?

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

### Do Diameter Finder or VC controller have ads?

Neither Diameter Finder nor VC controller shows ads.

### Which is updated more often, Diameter Finder or VC controller?

Diameter Finder ships an update every 5 months, and VC controller every 4 months. Most recently, Diameter Finder was updated on September 19, 2026 and VC controller on September 10, 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.*