
Christopher Miller
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Unstable and full of annoyance. Why would I buy the full version when the demo has serious bugs and they won't let me submit questions about the free version on their site (even though they direct me to). For one, if you go into a cellular dead zone, it fails to reconnect when you emerge, and the only remedy is to terminate the app entirely and restart it.
9 people found this review helpful
Securax LTD.
July 11, 2023
Could you please contact us via our contact form so we can assist you with your issues: https://www.zoiper.com/en/contact

A Google user
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This was an absolutely phenomenal app, the one that all others were measured against, until they released the 2.n versions. With that upgrade, their excellent user interface was turned into a Windows 10esque monstrosity, making the app virtually unusable. Since then, I have downgraded to their 1.53 version, (the last version with the classic interface), and have been stuck there. If it wasn't for the fact that it works so well with my provider, I would drop it like a rotten tomato. If you like an interface reminiscent of Windows 10, go ahead. If you want an app with a clean, functional interface, go somewhere else. Developer response: The new interface is identical to the native dialer on recent android versions. My answer: Not true - at least in some cases. I have a Samsung Galaxy smartphone running Android 5.n and an ASUS Zenpad running Android 6.n. both of the "default" (native) dialers are more like the 1.n versions than the 2.n. My opinion still stands. If you like an interface similar to Windows 10, it's a great choice. If you prefer a cleaner, easier to use (IMHO) interface, either find the latest 1.n version somewhere, or download something else.
5 people found this review helpful
Securax LTD.
October 1, 2018
The new interface is identical to the native dialer on recent android versions. Android 5 is from 2014. You can find a ink to the old version by scrolling down in the comments.

Jon Gaskell
Overall I'm pretty satisfied with Zoiper. It's stable, and the call quality is usually pretty good. It usually runs reliably in the background on my OnePlus 7 Pro and doesn't seem to have a significant negative impact on battery life. Phone calls come through reliably even when I haven't used the app in a while. Overall the app has been stable, and I'm satisfied. I haven't had a good reason to look for another SIP client. Feature rich for those that require advanced setting control for those who need it, supports TLS encryption for calls which is a plus for me. The only problem that I have is that it doesn't seem to launch the Zoiper app/service when the phone restarts even though I've selected the option within the app to have it do so. I have to manually open the app at least once. Annoying when this causes you to miss a call, but after you launch the app it seems fine and stays connected.
24 people found this review helpful
Securax LTD.
November 17, 2020
Thank you for your feedback, Jon!