Best apps like Peco Douwes

10+ similar apps compared and reviewed

4.3 avg rating
7 free apps
Updated July 2026

Peco Douwes is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Peco Douwes

Bolt Reader®#1

Bolt Reader® by Transmission Dynamics

Bolt tension reader
Editor's Choice
🔧 Utilities
5.0(6 ratings)
FreeIn-App Purchases
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This application provides users with real-time bolt tension data through intuitive bar graphs. It is specifically designed to work with Bolt-Cap Module devices from Transmission Dynamics, helping users quickly identify screws needing attention.

Taper Angle Calculator#2

Taper Angle Calculator by Bhavinkumar Satashiya

Find Shaft, Degrees, Alignment
Strong Contender
🔧 Utilities
1.8(5 ratings)
$4.99
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This utility app simplifies taper angle calculations for professionals and students. It offers quick, accurate results with support for both metric and imperial units, and saves your calculation history.

Instrument Toolbox#3

Instrument Toolbox by 立娜 王

Smart Calculator for Engineers
Worth Considering
🔧 Utilities
0.0(0 ratings)
$1.99
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A professional calculator designed for industrial control, automation, and instrumentation engineers. It offers quick conversions and calculations for gas concentration, units, steam properties, flange levels, and pipeline flow. Ideal for both field debugging and engineering design.

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This app provides secure Bluetooth connectivity for specific industrial starters, enabling enhanced control and monitoring. It also serves as a central hub for storing contacts, accessing technical documents, and reviewing trip data.

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