
Google Voice
Hushed App
TextNow
Tello
Tossable Digits
ForwardSMS
autoforward
A phone number that sends its texts to your email or messaging apps. Choose a number in the US, Canada, the UK or the Netherlands.

Hushed App
Burner
OpenPhone
Shuffle
TextNow
RingCentral
Aircall
Manage business phone line as easily as you manage emails, in the cloud. Ring4 provide you with a business line and video conferencing solution.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | tethermobile.com | ring4.com |
| Pricing | ||
| Platforms | ||
| Company | Startup from Canada · 1 - 9 employees · 2025 | 2017 |
| Listed in |
In their own words, as submitted to SaaSHub.


Tether Mobile gives you a phone number in the US, Canada, the UK or the Netherlands and forwards every text it receives to Email, Telegram, LINE or Discord. Verification codes and alerts reach you in the apps you already use, wherever you are, without a SIM card or roaming. Who it's for Digital...
Phone line for Businesses or Individuals. Ring4 provides companies with a cloud solution to manage phone lines as simply as they manage emails. The Ring4 work on any iOS or Android device and can be managed via the Admin Console. Ring4 phone numbers are mobile and support unlimited texting,...
What each product offers, as listed by its team.


Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Tether Mobile and Ring4.
Tether Mobile's answer
Tether Mobile gives you a real phone number and forwards every text it receives to Email, Telegram, LINE or Discord, so you read your texts in apps you already have open, wherever you are. US numbers are real mobile numbers, not VoIP, so they work with many banks and services that reject VoIP numbers. Each text can go to up to three destinations at once. You can also move your existing US number to Tether Mobile for free.
Tether Mobile's answer
Google Voice and TextNow give you VoIP numbers that many banks won't text, and Google Voice needs a US number to sign up. SMS-forwarding apps only work while your old phone and SIM stay on. Tether Mobile hosts the number for you, so there's no SIM to keep alive, and it sends texts straight to Email, Telegram, LINE or Discord. Plans start at $10/month with no setup fees.
Tether Mobile's answer
Digital nomads, travellers and people who have moved abroad but still get texts from banks, tax authorities and healthcare portals back home. Also people who want a separate number for sign-ups, and teams who want a shared number's texts in Slack, Microsoft Teams or email.
Tether Mobile's answer
Joey Kudish built Tether Mobile after years of living as a digital nomad between Thailand and Canada. He kept missing 2FA codes, getting locked out of bank accounts and swapping SIM cards between countries, and his Canadian carrier wanted $15 a day just to receive his texts abroad. Tether Mobile sends those texts to the apps he already had open. Joey is a software engineer and runs it as a one-person team from Vancouver Island, Canada.
Tether Mobile's answer
Laravel, Livewire, Filament, Tailwind CSS, PostgreSQL, Stripe and Cloudflare
Tether Mobile's answer
Individual travellers, digital nomads and expats (we don't name customers)
Share your experience with using Tether Mobile and Ring4. For example, how are they different and which one is better?
When comparing Tether Mobile and Ring4, you can also consider the following products.

Google Voice gives you one number for all your phones, voicemail organized in an email format, free...
Compare Google Voice to Tether Mobile or Ring4:

Hushed App will allow you to receive a Secondary Phone Number for Private, Long-Distance...
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Disposable phone numbers -- now with MMS photo support
Compare Burner to Tether Mobile or Ring4:

TextNow is a mobile virtual network operator (MVNO) that provides a free phone service to users by using other cellular networks coverage.
Compare TextNow to Tether Mobile or Ring4:


Tello is a mobile virtual network provider that provides users with the 4G LTE network coverage.
Compare Tello to Tether Mobile or Ring4: