# Impedance Calculators vs 凡亿课堂

The clearest difference is in-app purchases: 凡亿课堂 at none against Impedance Calculators's 1. 凡亿课堂 also leads on iOS requirement (12.0 vs 16.0). Impedance Calculators's advantage is device support. On price there is nothing between them.

Both are free to download. Impedance Calculators sells 1 one-off in-app purchase. 凡亿课堂 asks for nothing beyond the download.

## The numbers

| Metric | Impedance Calculators | 凡亿课堂 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (12 ratings)](https://appshunter.io/ios/app/impedance-calculators/id1571901358/reviews)** | — |
| Number of ratings | **12** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 21 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 49 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 17+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Hunan Fanyi Zhibang Electronic Technology Co., Ltd.](https://appshunter.io/developer/1743762852) |

## What reviewers say

### Impedance Calculators

[App page](https://appshunter.io/ios/app/impedance-calculators/id1571901358)

This app provides 8 calculators for electrical impedance calculations. It covers various combinations of resistors, inductors, and capacitors in series and parallel circuits, offering formulas and circuit diagrams.

**Highlights:** Series impedance calculator, Parallel impedance calculator, R, L, & C circuit calculations, Includes formulas, Circuit diagrams provided, 8 distinct calculators

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### 凡亿课堂

[App page](https://appshunter.io/ios/app/id6499520543)

**In-app purchases:** none


## Frequently asked questions

### Is Impedance Calculators free?

Impedance Calculators is free to download, with in-app purchases available.

### Is 凡亿课堂 free?

凡亿课堂 is free to download, with no in-app purchases.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*