Compare OneNumber vs. TwinPhone in 2026

TwinPhone

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Description

Link multiple phone numbers to your virtual line and ensure that you never overlook a call again. Empower your team to manage numerous calls simultaneously while enjoying a OneNumber system that includes welcome greetings via IVR and a customized experience featuring a virtual receptionist and self-service options. Incoming calls are routed directly to the appropriate department based on the choices made by callers in the IVR menu, enhancing efficiency. This system brings flexibility to how your team handles calls, as calls can be forwarded straight to your employees' personal phones. You can also keep tabs on your employees' performance, analyzing every customer interaction down to the last detail. Comprehensive reports on customer calls provide daily insights regarding agent activity and call metrics. Monitor your business communications and evaluate team efficiency with timely recordings of customer conversations. With the OneNumber system, calls directed to your virtual number are seamlessly forwarded to either your own mobile or your agents' devices, eliminating the need for them to remain tethered to their landline or office desk to respond to calls. This innovative approach enhances productivity and ensures that your team is always connected, regardless of their location.

Description

TwinPhone is browser-based international calling: a WebRTC softphone that terminates on the PSTN, so you dial real E.164 numbers and the person you are calling answers on an ordinary phone. Nothing has to be installed on their side — no app, no account, no invitation. On your side it runs in Chrome, Edge and Brave, or as a native iPhone app. How it works: sign up for free, top up a balance with a card, and dial. The exact rate for the number you dialled is shown before the call connects, so there is no guessing between a landline range and a mobile range inside the same country. Rates start at $0.02/min across 145+ destinations. Pricing is prepaid and per-call. No subscription, no contract, no monthly minimum, no connection fees, no per-seat licence — an account that sits idle costs nothing. Every call lands in a call log with destination, duration and cost, exportable as CSV. Contacts are stored for quick dialling, and balance, history and account settings live in one dashboard. Virtual second numbers start at $3.19/mo for US and Canada. Inbound calls and SMS are delivered straight to the browser, which makes them useful for keeping a personal number out of marketplace listings, sign-up forms and verification flows. On the transport side, media is encrypted with TLS and SRTP, and adaptive audio holds calls together on congested hotel, cafe and airport Wi-Fi instead of dropping them. For teams, a single shared prepaid wallet covers everyone, with owner and member roles controlling who can invite teammates and who can spend, plus per-member call logs for internal billing. TwinPhone is operated by a registered company in the Czech Republic.