# RC Circuit vs Coil Toolkit Pro

The clearest difference is in-app purchases: Coil Toolkit Pro at none against RC Circuit's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. RC Circuit sells 1 one-off in-app purchase. Coil Toolkit Pro asks for nothing beyond the download.

## The numbers

| Metric | RC Circuit | Coil Toolkit Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/rc-circuit/id824460716/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Monetization | Free | — |
| Size | 16 MB | 29 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Siu Yuen Ho](https://appshunter.io/developer/814088527) | [Mamta Kevadiya](https://appshunter.io/developer/6776068885) |

## What reviewers say

### RC Circuit

[App page](https://appshunter.io/ios/app/rc-circuit/id824460716)

Calculate RC charging and filter circuits, including time constants and cutoff frequencies. Find component values from these parameters or get voltage at specific times. Save and share data easily.

**Highlights:** Calculate time constant, Find component values, Get voltage at time t, Calculate cutoff frequency, Save data to CSV, Upload CSV via AirDrop/iCloud Drive, Multi-language support

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro features | $0.99 | one-time |


### Coil Toolkit Pro

[App page](https://appshunter.io/ios/app/coil-toolkit-pro/id6778254078)

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

**In-app purchases:** none


## Frequently asked questions

### Is RC Circuit free?

RC Circuit is free to download, with in-app purchases available.

### Is Coil Toolkit Pro free?

Coil Toolkit Pro is free to download, with no in-app purchases.

### Do RC Circuit or Coil Toolkit Pro have ads?

Neither RC Circuit nor Coil Toolkit Pro shows ads.

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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.*