Voiso vs KeyPhone
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Voiso
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Trusted by contact centers worldwide, Voiso is more than a business phone. It's your full agent workspace โ calls, digital conversations, and customer context, all in one place. Bring your contact center with you Stay connected to your customers and your team, no matter where you are. The Voiso mobile app gives you everything you have on desktop โ your inbox, your call controls, and your customer history. Step away. Stay on top of it. Never miss an incoming call or message. Push notifications alert you the moment something arrives, even when the app is closed or running in the background. Tap the notification and you're taken straight to that interaction, ready to respond. Handle calls and chats at the same time A message comes in while you're on a call. With Voiso, you don't have to choose. Calls and digital conversations are accessible from the same screen, simultaneously, without dropping either. Know who you're talking to Every conversation opens with full customer context alongside it โ contact details, reachable channels, and the complete history of every previous interaction across all channels. No searching. No switching. Just the information that helps you respond well. Every channel, one inbox Web chat, WhatsApp, Telegram, Viber, SMS, Facebook, and Instagram messages all arrive in the same inbox your agents know from desktop. One place for every customer interaction, on any device. Voiso Features for iOS: Phone calls Make and receive calls with full controls โ hold, mute, transfer, keypad, consultation, and conference. Digital conversations Handle web chat, WhatsApp, Telegram, Viber, SMS, Facebook, and Instagram from your phone. Unified inbox Every channel in one view, the same layout agents know from desktop. Customer contact card Contact details, reachable channels, and full interaction history alongside every conversation. Simultaneous call and chat Handle a live call and a digital conversation from the same screen, at the same time. Push notifications Get alerted the moment a call or message arrives, even with the app closed. Already a Voiso customer? Sign in with your existing credentials and pick up where you left off. Not yet on Voiso? Visit voiso.com to get started. For support, reach out at support@voiso.com or visit our Help Center.
KeyPhone
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Keyphone is a mobile application that provides cloud-based voice call services using VoIP technology. Keyphone App offers cloud-based voice calling services through the VoIP protocol. The app does not include any chat or video call features. It is free to use; Features:Modern and intuitive dialer Crystal-clear voice call qualityPowerful call controls: Mute, Speaker, Hold, Transfer, Merge, and RecordDesigned for productivity and speedFully optimized for iPhone 6.7" display sizesWith Keytime, communication is smarter, faster, and more secure.
Screenshots
Verdict
The clearest difference is update cadence: KeyPhone at every 11 days against Voiso's monthly. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Voiso ships an update monthly, KeyPhone every 11 days. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.
| Parameter | Voiso | KeyPhone |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 11 days โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 17 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | Voiso ltd. | Keytime |
In-app purchases
Voiso
No in-app purchases
KeyPhone
No in-app purchases









