Best Bittium Secure Call Alternatives in 2026
The top Bittium Secure Call alternatives are Signal, Threema and Wire: 15 encrypted calling apps our editors would look at instead of Bittium Secure Call, in our ranking order.
Bittium Secure Call: A private-network calling and messaging suite for security-focused enterprises. Where it falls short: contact-sales pricing requires engaging bittium before purchase.
Switching from Bittium Secure Call? For most encrypted calling apps buyers the best Bittium Secure Call alternative is Signal, built for people seeking encrypted calls across phones and desktops.
Why People Look for a Bittium Secure Call Alternative
- Contact-sales pricing requires engaging Bittium before purchase
- Screen sharing is available only in the Windows desktop client
- Closed-source product with email listed as its support channel
- No open source — 11 of the alternatives below have it
Quick Picks by What You Need
- Best overallSignal9.4
People seeking encrypted calls across phones and desktops
Visit Signal - Lowest priceSignal9.4
Paid plans from $1.99/mo
Visit Signal - Best free optionSignal9.4
Has a free plan
Visit Signal - Best for open sourceSignal9.4
Open source (Bittium Secure Call: no)
Visit Signal
All 15 Bittium Secure Call Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forPeople seeking encrypted calls across phones and desktops
- Better than Bittium Secure Call:
- Open source
- Editor score 9.4 vs 7.5
Free encrypted calls and messaging, with optional paid encrypted media backups.
- Open source
9.4/10★★★★★Visit Signal -
Best forPrivacy-focused users wanting broad device support
- Better than Bittium Secure Call:
- Open source
- Editor score 9.2 vs 7.5
A paid, multi-device app for private calls, messaging, and encrypted backups.
- Open source
9.2/10★★★★★Visit Threema -
Best forOrganizations needing managed, secure team calling
- Better than Bittium Secure Call:
- Open source
- Editor score 9.1 vs 7.5
A secure team workspace with encrypted calls, guest access, and managed enterprise options.
- Open source
9.1/10★★★★★Visit Wire -
Best forFree, open-source calling across desktop and mobile
- Better than Bittium Secure Call:
- Open source
- Editor score 9.0 vs 7.5
Private messaging and calls with peer-to-peer architecture and SIP support.
- Open source
9.0/10★★★★☆Visit Jami -
Best forSIP users needing encrypted calls and PBX support
- Better than Bittium Secure Call:
- Open source
- Editor score 8.9 vs 7.5
A free, open-source SIP client for encrypted calls and PBX-connected telephony.
- Open source
8.9/10★★★★☆Visit Linphone -
Best forTeams needing self-hosted, integrated communications
- Better than Bittium Secure Call:
- Open source
- Editor score 8.8 vs 7.5
A self-hostable communications app with encrypted messaging and calling through Element Call and integrations.
- Open source
8.8/10★★★★☆Visit Element -
Best forEncrypted meetings with clear participant limits
- Better than Bittium Secure Call:
- Open source
- Editor score 8.7 vs 7.5
Private audio, video, screen sharing, and chat, with plans for up to 100 participants.
- Open source
8.7/10★★★★☆Visit Proton Meet -
Best forFree encrypted personal and group calls
- Better than Bittium Secure Call:
- Editor score 8.6 vs 7.5
A free calling and messaging app for encrypted personal conversations across devices.
8.6/10★★★★☆Visit WhatsApp -
Best forSimple free encrypted calls on web and mobile
- Better than Bittium Secure Call:
- Editor score 8.5 vs 7.5
A free way to make end-to-end encrypted personal calls alongside everyday messaging.
8.5/10★★★★☆Visit Messenger -
Best forFree calls with synchronized desktop and mobile chats
- Better than Bittium Secure Call:
- Editor score 8.4 vs 7.5
A free calling and chat app with synchronized desktop and mobile conversations.
8.4/10★★★★☆Visit Viber -
Best forFree, open-source calls with screen sharing
- Better than Bittium Secure Call:
- Open source
- Editor score 8.3 vs 7.5
A free, open-source calling app for encrypted calls, group chats, and screen sharing.
- Open source
8.3/10★★★★☆Visit Tox -
Best forPrivate calls and messaging without user IDs
- Better than Bittium Secure Call:
- Open source
- Editor score 8.2 vs 7.5
Free, open-source messaging and calls built around identifier-free connections.
- Open source
8.2/10★★★★☆Visit SimpleX Chat -
Best forPrivacy-first users who value pseudonymous messaging
- Better than Bittium Secure Call:
- Open source
- Editor score 8.1 vs 7.5
A privacy-first messenger with broad platform support; calls are beta and not onion-routed.
- Open source
8.1/10★★★★☆Visit Session -
Best forLarge communities prioritizing reach over default encryption
- Better than Bittium Secure Call:
- Open source
- Editor score 8.0 vs 7.5
A broad messaging app with calling and Secret Chats, but not default end-to-end encryption for calls.
- Open source
8.0/10★★★★☆Visit Telegram -
Best forApple-oriented users wanting free group calls
- Better than Bittium Secure Call:
- Editor score 7.9 vs 7.5
Free audio and video calls, with groups up to 32 and browser joining.
- Screen sharing
7.9/10★★★★☆Visit Apple
Bittium Secure Call Alternatives: Common Questions
What is the best alternative to Bittium Secure Call?
Signal: #1 in our Encrypted Calling Apps ranking, with an editor score of 9.4 out of 10. Free encrypted calls and messaging, with optional paid encrypted media backups.
Is there a free alternative to Bittium Secure Call?
Yes. Signal, Wire, Jami, Linphone and Element have a free plan or a free tier (14 of the 15 alternatives on this page).
What is the cheapest paid alternative to Bittium Secure Call?
Of the alternatives here that publish a price, Signal starts lowest, at $1.99/mo.
Why do people look for Bittium Secure Call alternatives?
Contact-sales pricing requires engaging Bittium before purchase; Screen sharing is available only in the Windows desktop client; Closed-source product with email listed as its support channel.
How do I switch from Bittium Secure Call?
Export your data from Bittium Secure Call (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Bittium Secure Call.
How to Switch from Bittium Secure Call
- Export your data from Bittium Secure Call (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel Bittium Secure Call.
Bittium Secure Call vs Each Alternative
| # | Tool | Free plan | Paid from | Score |
|---|---|---|---|---|
| 19 | Bittium Secure Call | 7.5 | ||
| 1 | Signal | Yes | $1.99/mo | 9.4 |
| 2 | Threema | No | $7.49/unit one-time | 9.2 |
| 3 | Wire | Yes | €7.45/user/mo | 9.1 |
| 4 | Jami | Yes | Free | 9.0 |
| 5 | Linphone | Yes | Free | 8.9 |
| 6 | Element | Yes | 8.8 | |
| 7 | Proton Meet | Yes | $7.99/user/mo | 8.7 |
| 8 | Yes | Free | 8.6 | |
| 9 | Messenger | Yes | Free | 8.5 |
| 10 | Viber | Yes | 8.4 | |
| 11 | Tox | Yes | Free | 8.3 |
| 12 | SimpleX Chat | Yes | Free | 8.2 |
| 13 | Session | Yes | $2.99/mo | 8.1 |
| 14 | Telegram | Yes | 8.0 | |
| 15 | FaceTime | Yes | Free | 7.9 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update