# MeasureWarm vs RC Circuit Pro

MeasureWarm and RC Circuit Pro both sit at 1.0 stars, but that hides the real split: 100% of RC Circuit Pro's written reviews are positive against 0% of MeasureWarm's. MeasureWarm's advantage is price (Free vs $0.99). On rating, ratings volume, update cadence and ads there is nothing between them.

MeasureWarm is free to download; RC Circuit Pro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 1.0 for MeasureWarm against 1.0 for RC Circuit Pro. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 0% of MeasureWarm's written reviews are positive against 100% of RC Circuit Pro's.

MeasureWarm ships an update every 6 months, RC Circuit Pro every 4 months. The most recent releases landed on October 10, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | MeasureWarm | RC Circuit Pro |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/measurewarm/id460786853/reviews) | [1.0 (1 ratings)](https://appshunter.io/ios/app/rc-circuit-pro/id824145786/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | **Free** | Paid |
| Size | 23 MB | 17 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mika Hatakeyama](https://appshunter.io/developer/445272831) | [Siu Yuen Ho](https://appshunter.io/developer/814088527) |

## What reviewers say

### MeasureWarm

[App page](https://appshunter.io/ios/app/measurewarm/id460786853)

This utility app allows you to measure the approximate size of objects when a ruler is not available. It supports various devices and offers conversion between metric and imperial units.

**Highlights:** Virtual ruler for approximate measurements, Supports iPhone, iPad, and iPod, Metric and imperial unit conversion, Adjustable device size for accuracy, Instructional animation for complex measurements

**In-app purchases:** none


### RC Circuit Pro

[App page](https://appshunter.io/ios/app/rc-circuit-pro/id824145786)

Calculate RC charging and filter circuits with ease. This tool helps hobbyists and engineers determine time constants, component values, and cutoff frequencies. Save and export your circuit data for further analysis.

**Highlights:** Calculate time constant, Find component values (R, C), Determine voltage at time t, Calculate cutoff frequency, Save data to CSV, Export data via AirDrop/iCloud Drive

**In-app purchases:** none


## Frequently asked questions

### Is MeasureWarm free?

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

### Is RC Circuit Pro free?

RC Circuit Pro costs $0.99, with no in-app purchases.

### Which has better reviews, MeasureWarm or RC Circuit Pro?

MeasureWarm and RC Circuit Pro are both rated 1.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do MeasureWarm or RC Circuit Pro have ads?

Neither MeasureWarm nor RC Circuit Pro shows ads.

### Which is updated more often, MeasureWarm or RC Circuit Pro?

MeasureWarm ships an update every 6 months, and RC Circuit Pro every 4 months. Most recently, MeasureWarm was updated on October 10, 2026 and RC Circuit Pro on October 23, 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.*