JustCall vs Slack: what each really costs
Team size
Billing
JustCall
No plan for this billing option
No paid plan to compare for this billing option.
Slack
No plan for this billing option
No paid plan to compare for this billing option.
| 10 people | JustCall | Slack |
|---|---|---|
| Entry paid plan | No plan for this billing option | No plan for this billing option |
| Vendor price | ||
| Monthly cost | ||
| Annual cost | ||
| Per user / year | ||
| Billing commitment | Not recorded | Not recorded |
| Minimum seats | None stated | None stated |
| Free plan | No free plan listed | Yes |
| Free trial | Not stated | Not stated |
Calculated by SpecEntry from official vendor prices. Taxes and optional add-ons are not included. Open each product page for every plan and the official source.
JustCall vs Slack: features
Key features as each vendor lists them. A feature missing from a list does not mean the product lacks it.
JustCall
- Numbers in 70+ countriesLocal, international and toll-free numbers in over 70 countries.
- Sales dialersPower, dynamic and 10-line parallel dialers.
- Unified messaging inboxSMS, MMS and WhatsApp in one inbox.
- AI Voice AgentAI answers calls, resolves inquiries, books meetings and escalates to humans.
- Call coaching and summariesOn-call suggestions, AI summaries and call scores.
- CRM integrationsNative integrations with HubSpot, Salesforce and 70+ tools.
- Visual workflow builderCombine call routing and SMS automation in a visual builder.
Source:justcall.io ·
Slack
- ChannelsReal-time, open conversations organised by team, project or topic.
- HuddlesLive audio and video calls for working together as if side by side.
- Canvas and ListsPlan priorities and track to-dos without leaving Slack.
- Workflow BuilderNo-code automations for routine tasks and processes.
- Slack AIChannel and thread summaries, daily recaps and automatic huddle notes.
- Enterprise searchOne AI search bar across connected apps, data sources and conversations.
- 2,600+ integrationsConnects with Google Drive, Office 365 and over 2,600 other services.
Source:slack.com/features ·
JustCall vs Slack pricing questions
How much do JustCall and Slack cost?
JustCall paid plans start at $29/user/month (Team). Slack paid plans start at $7.25/user/month (Pro (annual)).
Is JustCall or Slack cheaper for 5 users?
Slack is cheaper for 5 users: $435 per year on Pro (annual), against $1,740 per year for JustCall on Team. That is $1,305 less per year, before tax.
Is JustCall or Slack cheaper for 10 users?
Slack is cheaper for 10 users: $870 per year on Pro (annual), against $3,480 per year for JustCall on Team. That is $2,610 less per year, before tax.
Is JustCall or Slack cheaper for 25 users?
Slack is cheaper for 25 users: $2,175 per year on Pro (annual), against $8,700 per year for JustCall on Team. That is $6,525 less per year, before tax.
Do JustCall and Slack have a free plan?
Slack lists a free plan; JustCall does not list one on its official pricing.