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Description
2Number provides an economical solution for private calls and texts from any location to another, allowing you to acquire a second phone number tailored to your personal requirements without the need for an additional SIM card. With the app, you can select a secondary number to make international calls or send texts while ensuring your primary number remains confidential. This service removes the inconvenience of changing SIM cards, allowing for seamless communication through your second line. You have the option to keep your international number indefinitely, recharge your account with minutes and SMS, and buy in-app credits at attractive prices, such as only 2 credits per minute for calls to Mexico. 2Number is perfect for a variety of scenarios, including advertising on online marketplaces, ensuring privacy during dating, accessing public services like apartment or car rentals, and registering for online services without revealing your main phone number. Additionally, the app includes features like call recording, MMS compatibility for US and Canadian numbers, and a setting to route calls directly to voicemail, enhancing its versatility for users. Overall, 2Number streamlines communication while preserving your privacy and offering cost-effective options for international connectivity.
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.
API Access
Has API
API Access
Has API
Integrations
HubSpot CRM
Pricing Details
Free
Free Trial
Free Version
Pricing Details
$0.02
Pay as you go
From $0.02/min
From $0.02/min
Free Trial
Free Version
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Vendor Details
Company Name
2Number
Country
United States
Website
2number.app/
Vendor Details
Company Name
TwinPhone
Founded
2026
Country
Czech Republic
Website
www.twin-phone.com