Ooma vs Slack
Compare Ooma and Slack on features, pricing, and buyer fit using the same researched criteria.
Ooma
SMB VoIP (Ooma Office) — Essentials from $19.95/user/mo monthly; Pro $24.95; Pro Plus $29.95 — no annual lock-in.
Best for
- • Small businesses that want transparent monthly VoIP without annual contracts
- • Teams under ~15 seats needing receptionist, ring groups and optional queues
- • Buyers who prefer published Office seat floors over quote-only UCaaS
Starting from $19.95/user/mo
No free plan
VS
Our verdict
No universal winner. Choose based on which criteria matter most for your team.
Ooma is better for
- ✓ Number / country coverage
- ✓ Power dialer
- ✓ Routing & IVR
Slack is better for
- ✓ CRM / CTI integrations
- ✓ AI features
Tie
- • WhatsApp Business
- • Analytics
Choose Ooma if: Small businesses that want transparent monthly VoIP without annual contracts
Choose Slack if: Knowledge-worker teams that need channel-based team messaging as the primary collaboration hub
Slack
Channel-based team messaging platform — Free $0, Pro $7.25/user/month annual, Business+ $15, Enterprise+ contact sales; huddles for light video, not a phone system.
Best for
- • Knowledge-worker teams that need channel-based team messaging as the primary collaboration hub
- • Organisations that want a freemium chat workspace with a deep app ecosystem
- • Salesforce-centric companies aligning chat with CRM workflows
Starting from $7.25/user/mo
Free plan available
Ooma vs Slack pricing
Ooma researched starting price from $19.95/mo. Slack researched starting price from $7.25/mo; a free plan is researched. Affiliate economics excluded.
Ooma
From $19.95/user/mo
Slack
From $7.25/user/mo
Ooma
Starting from $19.95/user/mo
Free trial available
- Essentials$19.95/user/mo
- $19.95/user/month. Extension + local number, unlimited US/CA/Mexico/PR calling, virtual receptionist, ring groups, mobile apps.
- ProPopular$24.95/user/mo
- $24.95/user/month. Adds Ooma Meetings (25), call recording, SMS (account-wide caps), voicemail transcription, enhanced blocking.
- Pro Plus$29.95/user/mo
- $29.95/user/month. Call queues, CRM integrations, hot desking, larger meetings (100), expanded receptionist.
Slack
Starting from $7.25/user/mo
No free trial evidenced
- Free$0.00/user/mo
- $0 — limited message/file history and core channel messaging. Primary evaluation path (no published free trial on paid plans).
- ProPopular$7.25/user/mo
- $7.25/user/month billed annually ($8.75 monthly). Unlimited message history, huddles, canvas and core productivity features for growing teams.
- Business+$15.00/user/mo
- $15/user/month billed annually ($18 monthly). Stronger admin, compliance and AI assistance versus Pro.
- Enterprise+Custom
- Contact sales for Enterprise+ security, compliance and large-org controls.
Estimate your team cost
Monthly estimate from verified per-seat list pricing. Confirm on the vendor site before purchasing.
Ooma
$299.25/mo
Slack
$108.75/mo
+$190.50/mo — Ooma costs more
Verified monthly unit prices · Aug 17, 2026
Prices in USD
Shown per user / month from verified list pricing.
Plans can change
Confirm live vendor rates before purchasing.
Add-ons may apply
Calling, SMS, or usage fees can add cost.
Independence
Affiliate status never changes pricing outcomes.
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