# EMWaver vs Tenio

The clearest difference is update cadence: Tenio at every 4 months against EMWaver's every 12 months. Tenio also leads on iOS requirement (15.0 vs 17.0). 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.

EMWaver ships an update every 12 months, Tenio every 4 months. The most recent releases landed on October 6, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | EMWaver | 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 | Every 12 months | **Every 4 months** |
| Monetization | — | Free |
| Size | 4 MB | 7 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Luis Lopes](https://appshunter.io/developer/1819487598) | [Samuel Rodas Aroche](https://appshunter.io/developer/1706040833) |

## What reviewers say

### EMWaver

[App page](https://appshunter.io/ios/app/emwaver/id6747035939)

**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 EMWaver free?

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

### Is Tenio free?

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

### Do EMWaver or Tenio have ads?

Neither EMWaver nor Tenio shows ads.

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

EMWaver ships an update every 12 months, and Tenio every 4 months. Most recently, EMWaver was updated on October 6, 2026 and Tenio on October 17, 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.*