# Tehcon — Engineering Unit Converter

> Engineering Unit Converter (iPhone/iPad app by Sergei Volkov.)

- Source: https://appshunter.io/ios/app/tehcon/id1558184969 (this page in markdown: same URL + `.md`)
- Developer: [Sergei Volkov](https://appshunter.io/developer/1385708952)
- Category: Reference, Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 14.0 · 8 MB
- Languages: American English, Russian, Chinese (Simplified, China)
- Released: 2021-04-07
- Data updated: 2026-08-13
- User reviews in markdown: https://appshunter.io/ios/app/tehcon/id1558184969/reviews.md

## What is Tehcon?

Engineering Unit Converter
More than 300 physical and technical units
All units of measure have a description!

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove ads | $0.99 | one-time |



## Version history (last 3 releases)

### 1.02 — 2021-04-09

Small bugs fixed.

### 1.01 — 2021-04-08

Small bugs fixed.

### 1.0 — 2021-04-07

No release notes.

## Apps similar to Tehcon

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Судоводитель-Конвенция плюс](https://appshunter.io/ios/app/id1496515475) | — | $14.99 | Reference |

## More apps by Sergei Volkov

- [InDebt](https://appshunter.io/ios/app/indebt/id1385708953)
- [Divider - share your expenses](https://appshunter.io/ios/app/divider-share-your-expenses/id1476506565)
- [Stuma](https://appshunter.io/ios/app/stuma/id1492900597)
- [Neslis](https://appshunter.io/ios/app/neslis/id1521067909)
- [Mriffa](https://appshunter.io/ios/app/mriffa/id1584510077)

All apps by Sergei Volkov: https://appshunter.io/developer/1385708952

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-13.*