CallHippo vs Slack
Compare CallHippo and Slack on features, pricing, and buyer fit using the same researched criteria.
CallHippo
SMB cloud phone system with a $0 starter rung, Starter from $18/user/month annual (2-user minimum), call recording and IVR from Professional, plus a separate call-centre plan ladder.
Best for
- • SMB and micro teams that need a real phone system with a low entry price and no 3-seat floor
- • Growing sales teams that want unlimited domestic calling plus recording and IVR around $30/user/month
- • Buyers who want a self-serve trial and a $0 starting rung before committing budget
Starting from $18.00/user/mo
Free plan available
VS
Our verdict
No universal winner. Choose based on which criteria matter most for your team.
CallHippo is better for
- ✓ Number / country coverage
- ✓ Power dialer
- ✓ WhatsApp Business
- ✓ Routing & IVR
Slack is better for
- ✓ CRM / CTI integrations
- ✓ AI features
Choose CallHippo if: SMB and micro teams that need a real phone system with a low entry price and no 3-seat floor
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
CallHippo vs Slack pricing
CallHippo researched starting price from $18/mo; a free plan is researched. Slack researched starting price from $7.25/mo; a free plan is researched. Affiliate economics excluded.
CallHippo
From $18.00/user/mo
Slack
From $7.25/user/mo
CallHippo
Starting from $18.00/user/mo
Free trial available
- Basic$0.00/user/mo
- $0/user/month — free for the first 6 months from signup, then an upgrade to Starter is required. Calling, voicemail, click-to-dial, SMS/MMS, WhatsApp Business API and desktop/mobile apps; you pay only for numbers and usage.
- free months from signup: 6
- pay only for numbers: true
- whatsapp business api: true
- Starter$18.00/user/mo
- $18/user/month billed annually with a 2-user minimum. 1,000 US/CA calling minutes, 100 SMS, forward-to-device, ring all devices, SMS templates, omnichannel inbox, basic report analytics, Zapier/Slack/webhooks.
- included calling minutes us ca: 1000
- included sms monthly: 100
- call log retention months: 1
- ProfessionalPopular$30.00/user/mo
- $30/user/month billed annually. Unlimited US/CA minutes, 500 SMS, call recording, multilingual IVR, cascading call distribution, reports/analytics, AI voicemail transcription, role-based access, HubSpot/Salesforce/Pipedrive/Zoho integrations.
- calling minutes us ca: unlimited
- included sms monthly: 500
- call log retention: lifetime
- Ultimate$42.00/user/mo
- $42/user/month billed annually. Adds smart DID routing, multilevel IVR, holiday routing, CRM-based VIP routing, SSO, custom integrations, dedicated account manager and 24×7 phone support.
- calling minutes us ca: unlimited
- included sms monthly: 1000
- EnterpriseCustom
- Quote-based with a 50-user minimum: unlimited calling to 48 countries, SLA, WhatsApp Business API, custom data storage/API usage, speech analytics or CallHippo AI included.
- minimum users: 50
- unlimited calling countries: 48
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.
CallHippo
$270.00/mo
Slack
$108.75/mo
+$161.25/mo — CallHippo 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.
Some visit links may be affiliate links — we may earn a commission at no extra cost to you. Comparison outcomes are never based on commission.