Bun vs Heroku: Pricing Comparison 2026
Side-by-side pricing comparison of Bun and Heroku. See all plans, features, and costs at a glance.
Bottom line: Heroku starts at $5/mo, making it $15/mo cheaper than Bun ($20/mo). Bun offers a free plan.
Last updated: March 16, 2026
Bun vs Heroku: Quick Pricing Facts
| Feature | Bun | Heroku |
|---|---|---|
| Starting Price | $20/mo | $5/mo |
| Number of Plans | 4 | 4 |
| Free Tier | Yes | No |
| Pricing Model | open-source | usage-based |
| Annual Discount | N/A | N/A |
Heroku is the more affordable option, starting at $5/mo compared to Bun's $20/mo. Both are Hosting & Infra tools with 8 combined pricing plans and 25 features compared. At comparable tiers, the monthly price difference is $5.
Bun stands out with a free plan for getting started. Bun uses open-source pricing while Heroku uses usage-based pricing, which may affect your total cost at scale.
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 Hosting & Infra needs.
| Pricing Plans |  Bun Try it free |  Heroku Try it free |
|---|---|---|
| Tier 1 | ||
| Tier 2 | ||
| Tier 3 | Standard 1xPopular $25/monthCheapest Includes
| |
| Tier 4 | Performance M $250/monthCheapest Includes
|
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Which Should You Choose?
Choose Bun if:
- •You need a free plan with Feature 1, Feature 2—Bun offers no-cost access with no credit card required
- •Your team needs custom enterprise pricing—Bun offers negotiated terms for large deployments
- •You prefer Bun's open-source model with its 4-tier structure
Choose Heroku if:
- •You want lower per-user costs—Heroku starts at $5/mo, saving $15/mo compared to Bun at $20/mo
- •You want more features built-in—Heroku offers 3 additional features across its plans
- •You prefer Heroku's usage-based model with its 4-tier structure
Bun offers a free plan [1], eliminating the cost barrier for evaluation, while Heroku requires paid subscription from the start. This gives Bun a significant advantage for teams with budget constraints or extended trial periods. Once you outgrow Bun's free tier, upgrading to a paid plan at approximately $20/mo provides substantial additional functionality. Compare this pricing path against Heroku's tiering starting at $5/mo to assess total cost of ownership over 12 months. Bun's 4 tiers provide flexibility at different budgets, while Heroku's 4 tiers structure may force you into higher-cost plans than necessary for your use case. If evaluation cost matters to your decision, Bun is the obvious starting point with zero financial commitment. Use the free tier to validate core functionality before committing to paid plans from either tool.
Frequently Asked Questions: Bun vs Heroku
Which is cheaper, Bun or Heroku?
How many pricing plans does Bun have vs Heroku?
Does Bun or Heroku offer a free plan?
Can I save money by paying annually for Bun or Heroku?
What is the most popular Bun plan?
What is the most popular Heroku plan?
Does Bun or Heroku offer custom enterprise pricing?
Sources
- Bun Official Pricing— Vendor pricing page
- Heroku Official Pricing— Vendor pricing page
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