Slack Review
BUSINESS COMMUNICATIONS SOFTWAREChoose 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
- ease of use9
- voice messaging quality5
- routing workflows4
- integrations10
- analytics6
- outbound tools2
Our 6-step review process
Step 1
Collect
Collect first-party pricing, product, and documentation sources into structured facts.
Step 2
Score
Score category methodology criteria against product evidence — never affiliate economics.
Step 3
Editorial review
Write strengths, limitations, buyer fit, and plan guidance in plain language.
Step 4
Fact-check
Strip unsupported claims and keep public copy free of internal jargon.
Step 5
Final review
Approve scores only when assessment and review both clear editorial gates.
Step 6
Publish & monitor
Ship the product hub and refresh when pricing or capabilities change.
Evaluation criteria
Criteria used to evaluate Slack in its primary category.
10-point scoring scale
| 9.0 – 10 | Excellent |
| 8.0 – 8.9 | Strong |
| 7.0 – 7.9 | Good |
| 5.0 – 6.9 | Mixed |
| 0 – 4.9 | Limited |
Overall score calculation
Criterion scores are weighted by the category methodology, then averaged into an overall score. Scores only appear on the public page when both the assessment and product review are approved.
Current Slack overall: 6.7/10 (Average)
View scoring example →Continuous updates
Source freshness
Domain checked-at timestamps track when pricing and features were last verified.
Change monitoring
Plan renames, packaging changes, and new limits trigger editorial refresh.
Independence checks
Affiliate state is excluded from ranking and scoring inputs.
Version tracking
Methodology version is recorded on each assessment and review.