# Tenio vs Circuit Calculator Pro

The clearest difference is in-app purchases: Tenio at none against Circuit Calculator Pro's 1. Tenio also leads on ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

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

## The numbers

| Metric | Tenio | Circuit Calculator Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tenio-electronics-toolkit-lab/id6757969551/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 7 MB | 10 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Samuel Rodas Aroche](https://appshunter.io/developer/1706040833) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### Tenio

[App page](https://appshunter.io/ios/app/tenio-electronics-toolkit-lab/id6757969551)

This app provides a suite of calculators and converters for electronics enthusiasts, students, and makers. It helps users quickly solve circuit tasks, decode component markings, and calculate values for resistors and capacitors, speeding up project development.

**Highlights:** Resistor color code calculator, SMD resistor code converter, LED resistor calculator, Series & parallel resistor calculator, SMD capacitor code calculator, Series & parallel capacitor calculator

**Features:** macOS Compatibility

**In-app purchases:** none


### Circuit Calculator Pro

[App page](https://appshunter.io/ios/app/circuit-calculator-pro/id6757982282)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $2.99 | one-time |


## Frequently asked questions

### Is Tenio free?

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

### Is Circuit Calculator Pro free?

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

### Do Tenio or Circuit Calculator Pro have ads?

Circuit Calculator Pro shows ads; Tenio does not.

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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.*