# UnitEngConverter vs Tenio

The clearest difference is update cadence: UnitEngConverter at daily against Tenio's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

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

UnitEngConverter ships an update daily, Tenio every 4 months. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | UnitEngConverter | Tenio |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 months |
| Monetization | — | Free |
| Size | 2 MB | 7 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Irfan Uruci](https://appshunter.io/developer/1761565214) | [Samuel Rodas Aroche](https://appshunter.io/developer/1706040833) |

## What reviewers say

### UnitEngConverter

[App page](https://appshunter.io/ios/app/unitengconverter/id6651829579)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is UnitEngConverter free?

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

### Is Tenio free?

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

### Do UnitEngConverter or Tenio have ads?

Neither UnitEngConverter nor Tenio shows ads.

### Which is updated more often, UnitEngConverter or Tenio?

UnitEngConverter ships an update daily, and Tenio every 4 months. Most recently, UnitEngConverter was updated on September 28, 2026 and Tenio on October 1, 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.*