Best DUO Holding alternatives: apps like DUO Holding

5+ similar apps compared and reviewed

4.9 avg rating

5 free apps

Updated October 2026

DUO Holding GmbH

DUO Holding is great, but it's not the only option. Explore 5+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to DUO Holding

LIWEST Mobil by LTK Telekom and Service GmbH

Editor's Choice

🔧 Utilities

0.0(0 ratings)

Free

OpusTel by OpusTel

Strong Contender

🔧 Utilities

5.0(7 ratings)

Free

This app provides a real Swiss international telephone number for secure VoIP calls on iOS devices. It offers HD audio quality, free global calls between users, and call recording capabilities, all with a focus on user privacy.

Raiffeisen Mobil by RMTS Telekom und Service GmbH

Worth Considering

🔧 Utilities

0.0(0 ratings)

Free

More apps like DUO Holding

World Clock Pro: Convert Time

Timezone Converter & Scheduler

Free

Easily track and convert time across multiple global time zones. Schedule events, share accurate times instantly, and access a vast database of cities and time zones. Ideal for international communication and planning.

Universal clock accessEffortless time conversionSchedule calendar events

🔧 Utilities

(1.4K)

subscription

Compare with DUO Holding

Drei Router Assistant

by Hutchison Drei Austria GmbH

Free

Easily set up and optimize compatible routers from your phone. Configure, optimize, and manage your home network with simple fingertip controls. Includes guided setup, signal analysis, and guest Wi-Fi creation.

Guided router setupOptimal router positioningConnection problem analysis

🔧 Utilities

(0)

free

Compare with DUO Holding