Aha! vs Slack: Pricing Comparison 2026
Side-by-side pricing comparison of Aha! and Slack. See all plans, features, and costs at a glance.
Bottom line: Slack starts at $8.75/mo, making it $0/mo cheaper than Aha! ($9/mo). Slack offers a free plan.
Last updated: March 23, 2026
Slack — Slack offers a free plan, starts at $0.25/mo lower ($8.75/mo vs $9/mo).
Aha! vs Slack: Quick Pricing Facts
| Feature | Aha! | Slack |
|---|---|---|
| Starting Price | $9/mo | $8.75/mo |
| Number of Plans | 8 | 4 |
| Free Tier | No | Yes |
| Pricing Model | per-seat | per-seat |
| Annual Discount | N/A | N/A |
Slack is the more affordable option, starting at $8.75/mo compared to Aha!'s $9/mo. Both are Project Management tools with 12 combined pricing plans and 106 features compared.
Slack stands out with a free plan for getting started.
Review the detailed tier-by-tier comparison above to see exactly which features are included at each price point and find the best fit for your Project Management needs.
| Pricing Plans |  Aha! Try it free |  Slack Try it free |
|---|---|---|
| Tier 1 | The visual space for product innovation $9/month $1 / year Includes
| Free $0/monthCheapest Includes
|
| Tier 2 | The agile tool that links strategy to delivery $9/month $1 / year Includes
| Pro $9/monthCheapest Includes
|
| Tier 3 | The flexible project management tool $9/monthCheapest $1 / year Includes
| Business+Popular $18/month Includes
|
| Tier 4 | The product information hub $18/monthCheapest $2 / year Includes
| Enterprise+ Custom pricing Includes
|
| Tier 5 | The comprehensive idea management tool $39/monthCheapest $3 / year Includes
| — |
| Tier 6 | The new way to manage customer interviews $39/monthCheapest $3 / year Includes
| — |
| Tier 7 | The complete product management solution $59/monthCheapest $5 / year Includes
| — |
| Tier 8 | Contact us Custom pricing | — |
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What Reviewers Say
Slack
Slack offers a free plan, starts at $0.25/mo lower ($8.75/mo vs $9/mo).
Based on pricing data only. Review the full comparison below for your specific needs.
Best value: Slack
Try Slack freeWhich Should You Choose?
Choose Aha! if:
- •You need 8 pricing tiers for flexible team sizing—more options mean less overpaying for features you don't need
- •You prioritize Aha!'s user experience and interface over price (both tools are similarly priced)
- •You prefer Aha!'s per-seat model with its 8-tier structure
Choose Slack if:
- •You want lower per-user costs—Slack starts at $8.75/mo, saving $0.25/mo compared to Aha! at $9/mo
- •You need a free plan with 90 days of message history, Up to 10 apps—Slack offers no-cost access with no credit card required
- •You want more features built-in—Slack offers 14 additional features across its plans
Slack is the more affordable choice [1], starting at $8.75/mo compared to Aha!'s $9/mo. For a 50-person team on paid plans, this translates to Slack saving approximately $13/month. Slack offers 4 pricing tiers compared to Aha!'s 8, giving you more granular control over scaling costs as your team grows. Across all tiers, Slack provides 60 total features versus 46 for Aha!, offering a richer feature set depending on your specific needs. Slack charges less and covers the fundamentals well. Aha! charges more and covers them slightly differently. That "slightly" is doing a lot of work to justify the price increase, and for most teams it is not enough.
Frequently Asked Questions: Aha! vs Slack
Which is cheaper, Aha! or Slack?
How many pricing plans does Aha! have vs Slack?
Does Aha! or Slack offer a free plan?
Can I save money by paying annually for Aha! or Slack?
What is the most popular Slack plan?
Does Aha! or Slack offer custom enterprise pricing?
How do Aha! and Slack compare for Project Management?
Sources
- Aha! Official Pricing— Vendor pricing page
- Slack Official Pricing— Vendor pricing page
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