# Electronic Circuit Calculator vs Mini Keyboard

The clearest difference is in-app purchases: Mini Keyboard at none against Electronic Circuit Calculator's 1. Mini Keyboard also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 2 months). Electronic Circuit Calculator's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price there is nothing between them.

Both are free to download. Electronic Circuit Calculator sells 1 one-off in-app purchase. Mini Keyboard asks for nothing beyond the download.

Electronic Circuit Calculator ships an update every 2 months, Mini Keyboard every 2 weeks. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Electronic Circuit Calculator | Mini Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/electronic-circuit-calculator/id1583972990/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 37 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Anas Abubakar](https://appshunter.io/developer/1581534101) | [changhyun kim](https://appshunter.io/developer/1850403122) |

## What reviewers say

### Electronic Circuit Calculator

[App page](https://appshunter.io/ios/app/electronic-circuit-calculator/id1583972990)

This app provides a comprehensive suite of calculators and design tools for electronic engineering. It assists with circuit design, filter analysis, and component calculations for resistors, capacitors, and inductors. Ideal for both professionals and students, it simplifies complex electronic projects.

**Highlights:** Comprehensive calculator collection, Filter design with graph plotting, Resistor, transistor, capacitor design tools, Amplifier and inductor design, Circuit analysis and design, Offline functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to the Pro version | $2.99 | one-time |


### Mini Keyboard

[App page](https://appshunter.io/ios/app/mini-keyboard/id6763819415)

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

**In-app purchases:** none


## Frequently asked questions

### Is Electronic Circuit Calculator free?

Electronic Circuit Calculator is free to download, with in-app purchases available.

### Is Mini Keyboard free?

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

### Do Electronic Circuit Calculator or Mini Keyboard have ads?

Electronic Circuit Calculator shows ads; Mini Keyboard does not.

### Which is updated more often, Electronic Circuit Calculator or Mini Keyboard?

Electronic Circuit Calculator ships an update every 2 months, and Mini Keyboard every 2 weeks. Most recently, Electronic Circuit Calculator was updated on October 22, 2026 and Mini Keyboard 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.*