10 Best OpusTel Alternatives: Apps Like OpusTel for iPhone (2026)

Top Alternatives to OpusTel

sipcall by Backbone Solutions AG

Editor's Choice

🔧 Utilities

4.2(9 ratings)

Free

This SIP client allows mobile users to utilize their landline number on the go. It offers features like push notifications for battery efficiency, call recording, and HD voice codecs. The app is free for existing customers and integrates with Microsoft 365 contacts.

swype: Flexible mobile plans by Sunrise UPC GmbH

Unlimited calls, Internet, SMS

Strong Contender

🔧 Utilities

3.8😞(46 ratings)

Free

swype: Flexible mobile plans screenshot 1

swype: Flexible mobile plans screenshot 2

swype: Flexible mobile plans screenshot 3

swype: Flexible mobile plans screenshot 4

swype: Flexible mobile plans screenshot 5

swype: Flexible mobile plans screenshot 6

Offers flexible mobile plans with unlimited calls, internet, and SMS. Choose from various flat-rate options, including European roaming, and enjoy 5G network speeds. Manage your plan, payments, and eSIM directly through the app for ultimate freedom and convenience.

What We Love

🚀 Easy and fast setup
👍 Intuitive and user-friendly
✅ Works well in Switzerland
🌐 Good international roaming
💰 Fair price for unlimited data
⚡ Fast eSIM activation
👍 Convenient for short stays
💯 Great connectivity
✨ Smooth SIM card transition

Room to Improve

💸 Charged after cancellation
🚫 Unable to cancel within first month
❌ UK address not accepted
😠 Hidden fees and false advertising
📉 Slow internet speed
⚠️ Roaming issues
🆘 Useless customer service
🚫 Special numbers not working
😩 Slow assistance response
❌ Login issues
❌ Payment failures
🚫 Number porting errors
📉 Reduced speed after reaching limit
❌ eSIM not working on new phone
💸 Lost money on eSIM
🚫 Cannot reach human support
🔒 Data sold to scam companies
❌ Internet not truly unlimited
🚫 No proper signal
❌ SIM card takes days to arrive
❌ Cannot connect to network
❌ International roaming deactivated but reactivates
📉 Very slow and weak network
❌ Cannot add payment method
❌ App crashes during setup
❌ No refund for deleted service
❌ Cannot make calls in emergency
❌ Voicemail not working
❌ Login screen blocked
❌ Internet stopped working
❌ Poor service and cancellation process

Swiss Post by Die Schweizerische Post

Send, track, receive

Worth Considering

🔧 Utilities

4.6(75 ratings)

FreeAds

Manage all your postal needs with this app. Track parcels, handle mail digitally, and find nearby services. It offers convenient features like home parcel collection and digital postage, all accessible on your smartphone.