# ID Resistors vs Electronics Tools & Calculator

The clearest difference is review sentiment: ID Resistors at 100% against Electronics Tools & Calculator's 17%. ID Resistors also leads on rating (4.9 vs 4.0) and ads (none vs shown). On price, ratings volume, update cadence 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.

ID Resistors holds the better App Store score, 4.9 against 4.0. Both are backed by a comparable volume of ratings — 32 and 16 respectively. Written reviews point the same way: 100% of ID Resistors's written reviews are positive against 17% of Electronics Tools & Calculator's.

ID Resistors ships an update every 2 months, Electronics Tools & Calculator every 6 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | ID Resistors | Electronics Tools & Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (32 ratings)](https://appshunter.io/ios/app/id-resistors/id1517383962/reviews)** | [4.0 (16 ratings)](https://appshunter.io/ios/app/electronics-tools-and-calculator/id1581885136/reviews) |
| Number of ratings | **32** | 16 |
| Positive reviews | **100.0% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 1 MB | 63 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Marc Rummel](https://appshunter.io/developer/1281956104) | [Anas Abubakar](https://appshunter.io/developer/1581534101) |

## What reviewers say

### ID Resistors

[App page](https://appshunter.io/ios/app/id-resistors/id1517383962)

Easily identify the values of through-hole and SMD resistors. Input a resistor value to find its code, or enter the code to determine its value. Supports English, French, German, and Spanish.

**Highlights:** Identify through-hole resistors, Identify SMD resistors, Input value to get code, Input code to get value, Multi-language support

**Features:** macOS Compatibility

**In-app purchases:** none


### Electronics Tools & Calculator

[App page](https://appshunter.io/ios/app/electronics-tools-and-calculator/id1581885136)

This app serves as a pocket-sized electronics lab, offering a comprehensive reference for components and circuits. It simplifies complex calculations for filters, inductors, and various circuit configurations, aiding both engineers and hobbyists in their design processes.

**Highlights:** Electronic component reference, Electronic circuit reference, Filter design calculators, Inductor winding calculators, Transformer winding calculators, Resistor and capacitor calculations, Ohm's law and power calculations

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

**In-app purchases:** none


## Frequently asked questions

### Is ID Resistors free?

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

### Is Electronics Tools & Calculator free?

Electronics Tools & Calculator is free to download, with no in-app purchases.

### Which has better reviews, ID Resistors or Electronics Tools & Calculator?

ID Resistors is rated higher. ID Resistors averages 4.9 out of 5 from 32 ratings, while Electronics Tools & Calculator averages 4.0 from 16 ratings.

### Do ID Resistors or Electronics Tools & Calculator have ads?

Electronics Tools & Calculator shows ads; ID Resistors does not.

### Which is updated more often, ID Resistors or Electronics Tools & Calculator?

ID Resistors ships an update every 2 months, and Electronics Tools & Calculator every 6 weeks. Most recently, ID Resistors was updated on November 3, 2026 and Electronics Tools & Calculator on November 3, 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.*