# Resistor Calc+ vs APPhone

The clearest difference is ads: APPhone at none against Resistor Calc+'s shown. APPhone also leads on update cadence (every 6 days vs every 2 months). Resistor Calc+'s advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price 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.

Resistor Calc+ ships an update every 2 months, APPhone every 6 days. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Resistor Calc+ | APPhone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/resistor-calc-plus/id1441211200/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Ad-supported | — |
| Size | 6 MB | 69 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [EONSOFT](https://appshunter.io/developer/899851112) | [Jan Milewczyk](https://appshunter.io/developer/6786201243) |

## What reviewers say

### Resistor Calc+

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

This utility helps you determine the resistance value of resistors by interpreting their colored bands. It supports 3, 4, 5, and 6 band resistors, visually displaying your selections and the calculated resistance and tolerance.

**Highlights:** Calculates resistance for 3-6 band resistors, Visual band color selection, Displays resistance and tolerance, Aids electronics configuration, User-friendly interface

**Features:** Vision Pro support

**In-app purchases:** none


### APPhone

[App page](https://appshunter.io/ios/app/apphone/id6786201241)

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

**In-app purchases:** none


## Frequently asked questions

### Is Resistor Calc+ free?

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

### Is APPhone free?

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

### Do Resistor Calc+ or APPhone have ads?

Resistor Calc+ shows ads; APPhone does not.

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

Resistor Calc+ ships an update every 2 months, and APPhone every 6 days. Most recently, Resistor Calc+ was updated on October 7, 2026 and APPhone on October 8, 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.*