# Electronics Tools & Calculator vs lehramt.app

The clearest difference is ads: lehramt.app at none against Electronics Tools & Calculator's shown. Electronics Tools & Calculator's advantage is update cadence (every 6 weeks vs every 25 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Electronics Tools & Calculator ships an update every 6 weeks, lehramt.app every 25 months. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Electronics Tools & Calculator | lehramt.app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (16 ratings)](https://appshunter.io/ios/app/electronics-tools-and-calculator/id1581885136/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 25 months |
| Monetization | Free | — |
| Size | 63 MB | 5 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Anas Abubakar](https://appshunter.io/developer/1581534101) | [LBZ Lehrerberatungszentrum Baden-Wurttemberg GmbH](https://appshunter.io/developer/1646608581) |

## What reviewers say

### 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


### lehramt.app

[App page](https://appshunter.io/ios/app/lehramtapp/id6443501440)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Electronics Tools & Calculator free?

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

### Is lehramt.app free?

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

### Do Electronics Tools & Calculator or lehramt.app have ads?

Electronics Tools & Calculator shows ads; lehramt.app does not.

### Which is updated more often, Electronics Tools & Calculator or lehramt.app?

Electronics Tools & Calculator ships an update every 6 weeks, and lehramt.app every 25 months. Most recently, Electronics Tools & Calculator was updated on October 13, 2026 and lehramt.app on October 10, 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.*