# Resistor Calc+ vs Steam Pad

The clearest difference is rating: Resistor Calc+ at 5.0 against Steam Pad's 3.7. Resistor Calc+ also leads on in-app purchases (none vs 1). Steam Pad's advantage is ads (none vs shown) and update cadence (every 9 days vs every 2 months). On price, review sentiment, ratings volume and device support there is nothing between them.

Both are free to download. Steam Pad sells 1 one-off in-app purchase. Resistor Calc+ asks for nothing beyond the download.

Resistor Calc+ holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews split almost evenly too, at 67% and 67% positive.

Resistor Calc+ ships an update every 2 months, Steam Pad every 9 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Resistor Calc+ | Steam Pad |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/resistor-calc-plus/id1441211200/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/steam-pad/id1450611272/reviews) |
| Number of ratings | **5** | 3 |
| Positive reviews | 66.7% of reviews | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Ad-supported | **Free** |
| Size | 6 MB | 5 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EONSOFT](https://appshunter.io/developer/899851112) | [晓东 翟](https://appshunter.io/developer/1450611271) |

## What reviewers say

### Resistor Calc+

[App page](https://appshunter.io/ios/app/resistor-calc-plus/id1441211200)

Easily determine resistance values from colored bands on resistors. Supports 3 to 6 band configurations with a visual representation of your selections. Ideal for electronics enthusiasts and hobbyists.

**Highlights:** 3, 4, 5, and 6 band resistor support, Visual band color selection, Displays resistance value and tolerance, Aids in electronics configuration

**Features:** Vision Pro support

**In-app purchases:** none


### Steam Pad

[App page](https://appshunter.io/ios/app/steam-pad/id1450611272)

This app calculates thermodynamic and transport properties of water and steam using IAPWS standards. It allows users to input any two basic parameters to derive others, visualize results on various charts, and compute additional properties. It supports both SI and I-P unit systems for engineering and educational purposes.

**Highlights:** Calculate properties from any two basic parameters, Generate T-S, H-S, P-H, T-H charts, Compute additional thermodynamic and transport parameters, Save and restore calculation results, Supports SI and I-P unit systems, Interactive chart manipulation (pan, zoom)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Functions | $3.99 | one-time |


## Frequently asked questions

### Is Resistor Calc+ free?

Resistor Calc+ is free to download, with no in-app purchases.

### Is Steam Pad free?

Steam Pad is free to download, with in-app purchases available.

### Which has better reviews, Resistor Calc+ or Steam Pad?

Resistor Calc+ is rated higher. Resistor Calc+ averages 5.0 out of 5 from 5 ratings, while Steam Pad averages 3.7 from 3 ratings.

### Do Resistor Calc+ or Steam Pad have ads?

Resistor Calc+ shows ads; Steam Pad does not.

### Which is updated more often, Resistor Calc+ or Steam Pad?

Resistor Calc+ ships an update every 2 months, and Steam Pad every 9 days. Most recently, Resistor Calc+ was updated on October 29, 2026 and Steam Pad on October 24, 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.*