True cost comparison — not just what the pricing page says
Quick Verdict
Linear saves you 5%
Best for Linear
Modern issue tracking for software teams. Free for up to 250 issues, then $8-$14/user/mo. Clean and
Best for Slack
Team messaging and collaboration hub. Free plan has a 90-day message history limit that forces upgra
Modern issue tracking for software teams. Free for up to 250 issues, then $8-$14...
Advertised
$0
/month
True Cost
$12
/month (typical)
250 Active Issue Limit on Free
Free plan limits to 250 active issues. Fast-moving engineering teams hit this in weeks. Standard at ...
Guest Access Requires Plus
External guest access for contractors and clients requires Plus plan at $14/user/mo — 75% more than ...
Advanced Features on Plus Only
Triage responsibility, SLA tracking, and advanced GitHub/GitLab integrations require Plus at $14/use...
Team messaging and collaboration hub. Free plan has a 90-day message history lim...
Advertised
$0
/month
True Cost
$8
/month (typical)
90-Day Message History Limit
Free plan deletes message access after 90 days. Your team's entire knowledge base disappears quarter...
Per-User Cost at Scale
A 100-person company on Pro pays $875/mo ($10,500/yr). Business+ is $1,250/mo ($15,000/yr). The per-...
Slack Connect External Channels
Connecting with external organizations requires Pro ($8.75/user/mo) minimum. Free plan has no extern...
$7/mo annual
Linear advertises $0/mo. Slack advertises $0/mo.
Linear has 3 documented hidden fees. Slack has 3.
Linear confidence: 78%. Slack confidence: 83%.
| Metric | Linear | Slack | Winner |
|---|---|---|---|
| Advertised Price | $0/mo | $0/mo | Linear |
| True Monthly Cost | $12/mo | $8/mo | Slack |
| Hidden Fee Total | +$12/mo | +$8/mo | Slack |
| # Hidden Fees | 3 | 3 | Linear |
| Confidence Score | 78% | 83% | Slack |
| Pricing Tiers | 3 | 4 | — |
| Affiliate Program | None | No public affiliate program | — |
Linear advertises $0/mo and Slack advertises $0/mo. However, when you include hidden fees, Linear has 3 documented hidden fees adding +$12/mo, while Slack has 3 hidden fees adding +$8/mo. Based on true cost, Linear is typically 5% cheaper.
Linear has 3 documented hidden fees: 250 Active Issue Limit on Free, Guest Access Requires Plus, Advanced Features on Plus Only. These add approximately +$12/mo on top of the $0/mo advertised price.
Slack has 3 documented hidden fees: 90-Day Message History Limit, Per-User Cost at Scale, Slack Connect External Channels. These add approximately +$8/mo on top of the $0/mo advertised price.
Choose Linear if: Modern issue tracking for software teams. Free for up to 250 issues, then $8-$14/user/mo. Clean and . Choose Slack if: Team messaging and collaboration hub. Free plan has a 90-day message history limit that forces upgra. The right choice depends on your team size, usage volume, and which features you need most.
This comparison is based on manual research of official pricing pages, terms of service, and user reports. Linear data has a 78% confidence score and Slack has 83%. Prices were last verified in April 2026. For the most accurate estimate, enter your specific usage in our calculator.
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