Estimated monthly cost comparison — not just the headline price
Linear and Slack overlap only partly, so check that both cover what you need before comparing cost.
Prices change often — confirm on the vendor's site before buying. Report incorrect pricing →
Quick Take
Slack has the lower estimated monthly cost (~33%)
Based on advertised price plus documented recurring fees, not your exact usage.
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
Estimated monthly cost
$12
/month (illustrative)
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
Estimated monthly cost
$8
/month (illustrative)
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 | — |
| Estimated Monthly Cost | $12/mo | $8/mo | Slack |
| Recurring Extra Fees | +$12/mo | +$8/mo | Slack |
| One-Time Costs | $0 | $0 | — |
| # Documented Fees | 3 | 3 | — |
| Pricing Tiers | 3 | 4 | — |
| Affiliate Program | None | No public affiliate program | — |
Linear advertises $0/mo and Slack advertises $0/mo. Linear has 3 documented extra fees (recurring: +$12/mo), while Slack has 3 (recurring: +$8/mo). On these illustrative assumptions, Slack has the lower estimated monthly cost (about 33% less). Your real cost depends on seats and usage — use the calculator for your numbers.
Linear has 3 documented extra fees: 250 Active Issue Limit on Free, Guest Access Requires Plus, Advanced Features on Plus Only. Recurring fees add roughly $12/mo on top of the $0/mo advertised price.
Slack has 3 documented extra fees: 90-Day Message History Limit, Per-User Cost at Scale, Slack Connect External Channels. Recurring fees add roughly $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 compiled from public vendor pricing pages and documentation. It uses illustrative assumptions (see "Cost Comparison Summary"), not your exact seats or usage, and vendor prices change often. Confirm current prices on each vendor's site, and use our calculator with your own usage for a closer estimate. Spotted an error? Email hello@trulycritic.com.
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