Choose Slack when internal team messaging is the job to be done and you want freemium channels with a deep integration ecosystem — pair it with a phone vendor if you also need PSTN.
Starting price
$7.25/user/month
Free plan
Yes
Free trial
No
Best for
Knowledge-worker teams that need channel-based team messaging as the primary collaboration hub
SoftwareGlimpse review
6.7/10
Average
Official vendor demonstration of product surfaces. It supplements screenshots and editorial analysis — it is not independent SoftwareGlimpse testing.
This video is hosted on YouTube
This content is hosted by YouTube. The player loads only after you allow marketing cookies.
Official vendor tutorial
How Slack presents the product in an official vendor video.
$0.00
Free plan
$0 — limited message/file history and core channel messaging. Primary evaluation path (no published free trial on paid plans).
$7.25
per user / month (annual billing rate shown)
$7.25/user/month billed annually ($8.75 monthly). Unlimited message history, huddles, canvas and core productivity features for growing teams.
$15.00
per user / month (annual billing rate shown)
$15/user/month billed annually ($18 monthly). Stronger admin, compliance and AI assistance versus Pro.
Custom
Contact sales
Contact sales for Enterprise+ security, compliance and large-org controls.
Verified captures from Slack's product interface.
Hero product UI from the official Slack homepage.
Official Slack marketing UI asset
https://slack.com/ · Checked 2026-08-17
Choose Slack when internal team messaging is the job to be done and you want freemium channels with a deep integration ecosystem — pair it with a phone vendor if you also need PSTN. Compare Microsoft Teams if M365 is already standard, Zenzap for frontline/WhatsApp-group replacement chat, and Zoom if meetings-first collaboration matters more than channels. Scores reflect first-party documentation as of 2026-08-17 — not hands-on product testing. Confirm current packaging, minimums and usage rates on the vendor site before purchase.
Bottom line
Free $0; Pro $7.25/user/month annual ($8.75 monthly); Business+ $15 annual ($18 monthly); Enterprise+ contact sales. Verified high confidence on slack.com/pricing 2026-08-17. No published free trial on paid plans — use Free to evaluate.
| Slack(this review) | Microsoft Teams | Zenzap | Zoom | |
|---|---|---|---|---|
| Starting price | $7.25/user/month | $0.00/user/month | $3.00/user/month | $15.00/user/month |
| Free plan | Yes | Yes | Yes | Yes |
| Free trial | No | Yes | No | Yes |
Slack may not be the best fit if…
Setup, implementation, migration, plans, and worth-it walkthroughs for this product.
