Alternatives · Business Phones
CallTower alternatives
As of Nov 13, 2026, the best CallTower alternative for most people is RingCentral (3.0 GPA), first in our ranking of business phone systems.
CallTower compared with 5 alternatives: RingCentral, Intermedia Unite, Nextiva, 8x8 and RingLogix.
CallTower's current pricing could not be confirmed from its own site. None of the alternatives has a free plan. One more offers a free trial.
Listings checked up to Nov 13, 2026 · Where the facts come from
Black Friday: is there a CallTower sale?
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| CallTowerThis tool | Paid | No | Web |
| RingCentral | Free trial · from $20/mo | Trial only | Web, macOS, Windows, iOS, Android |
| Intermedia Unite | From $27.99/mo | No | Web, macOS, Windows, Android |
| Nextiva | From $15/mo | No | Web, macOS, Windows, Linux, iOS, Android |
| 8x8 | Paid | No | Web, macOS, Windows, iOS, Android |
| RingLogix | Paid | No | Web |
How each one differs from CallTower
RingCentral
Cloud phone system with texting, fax, video meetings and team chat
- RingCentral starts at $20 per user / month for 1-5 users, billed annually ($30 billed monthly).
- RingCentral also lists macOS, Windows, iOS and Android apps.
- RingCentral also covers transcription, team chat and video calls.
- RingCentral does not cover online fax, which CallTower does.
Suits: Businesses that want calls, texts, meetings and chat in one app
Intermedia Unite
Cloud phone, chat and video suite from Intermedia, priced per user
- Intermedia Unite starts at $27.99 per user / month (billing term not stated).
- Intermedia Unite also lists macOS, Windows and Android apps.
- Intermedia Unite also covers transcription, team chat, video calls and file sharing.
- Intermedia Unite does not cover online fax, which CallTower does.
Suits: Offices that want phone, chat, video and file sharing from one vendor
Nextiva
Business phone, texting and video with an optional AI receptionist
- Nextiva starts at $15 per user / month, billed annually ($23 billed monthly).
- Nextiva also lists macOS, Windows, Linux, iOS and Android apps.
- Nextiva also covers transcription, team chat and video calls.
- Nextiva does not cover online fax, which CallTower does.
Suits: Small businesses that want phone, texting and video from one provider
8x8
Cloud phone system with team chat, meetings and a receptionist console
- 8x8 also lists macOS, Windows, iOS and Android apps.
- 8x8 also covers team chat and video calls.
- 8x8 does not cover online fax, which CallTower does.
Suits: Companies that want phone, chat and meetings from one provider
RingLogix
White-label phone, SIP and AI voice platform sold via partners
- RingLogix also covers AI agents.
Suits: MSPs and resellers that want to sell phone service under their own brand
Limits worth knowing in CallTower
- No pricing is published, so pricing is unverified and goes through sales or channel partners.
- It supplies calling for other collaboration platforms, whose own licenses are bought separately.
- Partner, agency and MSP programs show it sells largely through resellers.
Common questions
What are the alternatives to CallTower?
The alternatives to CallTower in this directory are RingCentral, Intermedia Unite, Nextiva, 8x8 and RingLogix. Each one has a side-by-side comparison with CallTower.
Is there a free alternative to CallTower?
None of the alternatives listed here has a free plan. RingCentral offers a free trial.
Which CallTower alternatives work on Windows?
The CallTower listing does not include a Windows app. RingCentral, Intermedia Unite, Nextiva and 8x8 list one.
Which CallTower alternatives work on macOS?
The CallTower listing does not include a macOS app. RingCentral, Intermedia Unite, Nextiva and 8x8 list one.
When were these prices checked?
Each listing shows its own date. On this page they run from Oct 17, 2026 to Nov 13, 2026. Vendors change prices without notice, so confirm on their site before you buy.