· 11 min read
The 7 Best Apps to Call From Your Computer in 2026
The best apps to call from your computer depend entirely on one question most roundups skip: are you calling people who have the same app, or are you dialing real phone numbers? App-to-app calling is a solved, free problem with several great answers. Calling landlines and mobiles from a computer is a different product with different economics, and pretending one app wins both cases is how people end up installing the wrong thing.
So this list covers both, states which case each option serves, and includes the cons the vendors won't mention. One notable absence up front: Skype, the default answer for twenty years, was retired by Microsoft in May 2025. Any list still featuring it is stale.
How we picked
Four criteria decided what made this list, and they explain the omissions as much as the inclusions. First, each entry has to either dial real phone numbers or be honest and dominant enough at app-to-app calling to earn its slot anyway; apps that blur that line in their marketing didn't make it. Second, it has to work on a computer as a first-class citizen, in a browser or a proper desktop app, without emulators, phone-mirroring workarounds, or a companion phone that does the real work. Third, the pricing model has to be transparent: you should be able to tell what a call will cost before you place it, which ruled out services whose rates live behind a signup wall or shift without notice. Fourth, it has to be actively maintained in 2026, with the vendor still shipping updates and standing behind the product. That last filter is why Skype is a historical note here rather than an entry, and why a few once-popular calling apps that are technically still downloadable didn't get a slot either: an unmaintained calling app is a security liability holding your microphone permission.
1. Google Voice
For US users, Google Voice remains the closest thing to a complete free phone in a browser tab. You get a real US number, free calls to US and Canadian numbers from voice.google.com or the mobile apps, voicemail with transcription, and texting. It handles both directions, calling out and receiving calls, which almost nothing else free does. The interface is spartan, but it works, and it has survived Google's product graveyard for over fifteen years.
Where it wins: free calls to real US and Canadian numbers, a real inbound number, voicemail transcription, no software to install.
Where it hurts: US-only signup with a US number required for verification, no support for short codes from some services, and Google reclaims numbers left unused for six months.
Pricing: free for personal US use; international calls billed per minute at low rates.
Best for: anyone in the US who wants a genuinely free second phone line on their computer.
2. WhatsApp Desktop
If the person you're calling is in your contacts, they're probably on WhatsApp, and that reach is the entire pitch. The desktop apps for Windows and macOS handle voice and video calls properly, with end-to-end encryption and quality that holds up well on mediocre connections. There's nothing to configure and nothing to pay, and international calling works identically to local calling because the phone network is never involved.
Where it wins: the largest install base on earth, so the people you want to call are already there; free, unlimited, encrypted calls including internationally.
Where it hurts: cannot dial any real phone number, requires your phone number and an active account on a phone, and business or support lines are unreachable.
Pricing: free.
Best for: free personal calls to friends and family, especially across borders.
3. Browser web dialers (as a category)
Not one app but a category, and the only entry needing zero installation: websites that place real phone calls straight from a browser tab using WebRTC. You open the site, allow the microphone, dial with a country code, and talk. For reaching an actual phone number from a locked-down work laptop, a borrowed machine, or a Chromebook, nothing else on this list gets you there faster. The full walkthrough is in the guide to calling from your browser.
Where it wins: zero install and often zero signup, works on any OS including ChromeOS, fastest path from "need to dial a number" to ringing.
Where it hurts: free tiers are capped at minutes or calls because the provider pays the phone network per minute; caller ID is generic; no inbound calls without a paid number.
Pricing: limited free tier, then pay-per-minute or a small subscription.
Best for: one-off and occasional calls to real numbers, and machines where installing anything is off the table.
4. Zoom Phone
Zoom's meeting client already lives on most work computers, and Zoom Phone adds a proper business phone system to it: a real number, outbound and inbound calling to the phone network, extensions, IVR menus, call recording, and admin controls. Call quality benefits from Zoom's infrastructure, and users don't need to learn a new app. It's a business product through and through; there's no meaningful free calling tier.
Where it wins: full business phone system inside an app your team already uses, solid quality, proper admin and compliance features.
Where it hurts: paid per user with no free path, overkill for personal use, and unlimited-calling plans cover specific regions with metered rates beyond them.
Pricing: per-seat subscription, with metered and unlimited regional calling tiers.
Best for: teams already on Zoom that want to replace a separate office phone system.
5. Microsoft Teams
Teams is two different answers in one app. The free consumer version covers app-to-app voice and video, and it's what Microsoft pointed Skype users toward after the May 2025 shutdown, though Skype's cheap dial-any-number calling did not carry over for consumers in most regions. The business version with a calling plan is a full phone system like Zoom Phone: real numbers, PSTN calling, voicemail, admin policies, deeply integrated with Microsoft 365.
Where it wins: already deployed at most Microsoft-shop workplaces; app-to-app calls free; the paid tier is a complete, well-integrated business phone.
Where it hurts: the app is heavy and busy for people who just want to place a call, consumer phone-number calling is effectively gone, and calling plans are an add-on cost on top of per-seat licensing.
Pricing: free for personal app-to-app calls; business PSTN calling requires per-seat licenses plus a calling plan.
Best for: organizations on Microsoft 365 that want calling inside the tool they already live in.
6. Viber
Viber earns its slot with Viber Out, its pay-per-minute service for calling real phone numbers, with rates that are competitive for international destinations. App-to-app calls are free and encrypted like WhatsApp's, and the desktop app is capable. Its install base is regionally strong in Eastern Europe, the Middle East, and parts of Asia, so whether the free app-to-app side is useful depends heavily on where your contacts live.
Where it wins: one app covering both free app-to-app calls and cheap pay-per-minute calls to real numbers worldwide.
Where it hurts: far smaller install base than WhatsApp in most Western countries, so app-to-app reach is hit or miss, and the app pushes stickers, ads, and promotions harder than anything else here.
Pricing: free app-to-app; Viber Out is pay-per-minute credit or destination bundles.
Best for: regular cheap international calls to real numbers, especially with contacts in Viber-strong regions.
7. A softphone with a SIP provider (Zoiper, Linphone)
The most flexible and least beginner-friendly option. A softphone like Zoiper or Linphone is an installed app that speaks SIP, the open calling protocol, and you connect it to any SIP provider you choose. You pick a provider, get credentials and a number, and pay wholesale-adjacent per-minute rates, often the cheapest calling on this list for volume. You own every piece: switch providers without switching apps, run multiple accounts, plug in desk-phone hardware. How SIP fits into the larger picture is covered in how internet calling works.
Where it wins: provider choice, the lowest per-minute rates for heavy use, real inbound numbers, and no lock-in anywhere in the stack.
Where it hurts: setup involves SIP credentials, codec settings, and occasionally NAT troubleshooting; nothing about it holds your hand; quality depends on the provider you picked.
Pricing: apps are free or cheap; the SIP provider bills per-minute or a small monthly fee for a number.
Best for: technical users and cost-conscious heavy callers who want control over every layer.
The best apps to call from your computer, compared
| App | Calls real numbers? | Free tier | Setup effort | Best for |
|---|---|---|---|---|
| Google Voice | Yes (free US/CA) | Yes, generous (US only) | Low | Free US second line |
| WhatsApp Desktop | No | Fully free | Low | Personal calls worldwide |
| Web dialers | Yes | Capped minutes | None | One-off calls, locked-down machines |
| Zoom Phone | Yes | No | Medium | Teams already on Zoom |
| Microsoft Teams | Business tier only | App-to-app only | Medium | Microsoft 365 workplaces |
| Viber | Yes (Viber Out) | App-to-app free | Low | Cheap international minutes |
| Zoiper/Linphone + SIP | Yes | Depends on provider | High | Heavy callers, full control |
Feature matrix: what each app actually gives you
The table above answers "which one fits me"; this one answers the capability questions that come up once you've shortlisted two or three. Browser support means calling works in a tab with nothing installed. A real number means an inbound number of your own that other people can dial.
| App | Works in browser | Gives you a real number | Calls real phone numbers | Free tier | International rates model |
|---|---|---|---|---|---|
| Google Voice | Yes, voice.google.com | Yes, a US number | Yes | Yes, US and Canada calls | Metered per minute, low rates |
| WhatsApp Desktop | Limited, varies by platform | No | No | Fully free | None needed, app-to-app is borderless |
| Web dialers | Yes, that's the whole product | Only if you rent one separately | Yes | Capped minutes or calls | Per-minute credit by destination |
| Zoom Phone | Yes, via the web client | Yes | Yes | No | Regional unlimited plans, metered beyond them |
| Microsoft Teams | Yes, in a tab | Business tier only | Business tier only | App-to-app only | Calling-plan add-on per seat |
| Viber | No, desktop app required | No | Yes, via Viber Out | App-to-app free | Per-minute credit or destination bundles |
| Zoiper/Linphone + SIP | No, installed softphone | Yes, through your provider | Yes | Depends on provider | Wholesale-adjacent per-minute rates |
Two patterns worth noticing in that grid. The "works in browser" and "calls real numbers" columns almost never both say yes on a free product; Google Voice is the lone exception, and only inside the US. And the "gives you a real number" column is the quiet dividing line between a calling tool and a phone replacement: if people need to call you back at a stable number, your realistic options narrow to Google Voice, Zoom Phone, a SIP provider, or renting a number alongside a web dialer.
How to actually choose
Ignore feature lists and answer three questions. First, do you need to dial real phone numbers at all? If not, WhatsApp ends the search for most people. Second, how often? A few calls a month points to a web dialer or Viber Out credit, where you pay only for what you use; daily calling points to Google Voice if you're in the US, or a subscription product if you're not. Third, is this for a business? Then the calculus flips toward Zoom Phone or Teams, because admin controls and reliability matter more than per-minute price, and someone else is paying.
And if the answer is "I just need one call, right now, for free": skip apps entirely and use the roundup of free ways to call online instead.
Frequently asked questions
What is the best free app to call from a computer? For calling people, WhatsApp: free, unlimited, and nearly everyone has it. For calling real phone numbers free, Google Voice if you're in the US. Outside the US, no app offers unlimited free calls to real numbers, and your best free option is a capped web dialer trial.
Can I call a mobile number from my computer without owning a phone? The call itself, yes: web dialers and SIP softphones need only a computer and a microphone. But most account-based services, including Google Voice and WhatsApp, require an existing phone number once at signup for verification, so fully phone-free setups usually route through a paid SIP provider.
Do I need a headset to call from my computer? Calls work on built-in laptop mics, but a headset is the single biggest quality upgrade available, because it removes echo and keyboard noise for the other person. Cheap earbuds with an inline mic are enough; the improvement over a laptop mic is immediate.
Which calling app works without installing anything? Browser-based options: web dialers for real phone numbers, plus Google Voice, WhatsApp Web, and Teams in a tab for their respective services. Everything runs on WebRTC, which is built into Chrome, Edge, Firefox, and Safari, so no download is involved.
Is Skype still an option for computer calls? No. Microsoft retired Skype in May 2025, including Skype-to-phone calling and Skype credit. Teams inherited the app-to-app side; the cheap dial-a-number side is best replaced by Google Voice, Viber Out, a web dialer, or a SIP provider, depending on your volume.
Most people land on a two-app answer: WhatsApp for humans, plus one number-dialing option sized to their volume. For the broader decision tree beyond apps, including options like your carrier's Wi-Fi calling, see the complete guide to calling from your computer.