Compare · Prices checked October 21, 2026
Superhuman vs Spark Mail (2026)
Published starting prices: Superhuman, Free; Pro $15/member/mo. Spark Mail, Free; Plus $10/user/mo. Side-by-side public pricing, what each does, real use cases and who each suits, all from our listings with sources. We haven't tested either hands-on.
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EmailFree tier
Superhuman
The Superhuman AI suite (Grammarly's new name), including Superhuman Mail, a fast email client with AI replies and inbox triage.
SubscriptionFree; Pro $15/member/mo
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EmailFree tier
Spark Mail
An email app with a smart inbox and AI that writes, summarises and organises email for individuals and teams.
Per seatFree; Plus $10/user/mo
Quick answer
- Cheaper: Comparing the lowest listed monthly plans: Superhuman Pro: $15/member/mo ($12 billed yearly), and Spark Mail Plus: $10/user/mo ($99/yr). Spark Mail lists the lower one. Superhuman and Spark Mail also have a free plan. Plans differ in what they include, and some are per seat or billed yearly, so compare the plan details. Checked October 21, 2026.
- Free plans: Superhuman: yes. Its Free plan is $0, checked October 21, 2026. Spark Mail: yes. Its Free plan is $0, checked October 21, 2026.
Pricing side by side
| Item |  Superhuman |  Spark Mail |
|---|---|---|
| Starting price | Free; Pro $15/member/mo | Free; Plus $10/user/mo |
| Pricing model | Subscription | Per seat |
| Free plan | Yes | Yes |
| Plans |
|
|
| Pricing note | These are suite plans; check which plan includes Superhuman Mail before buying. | not published |
| Checked | October 21, 2026 | October 21, 2026 |
| Source | Vendor pricing page | Vendor pricing page |
Copied from each vendor's public pricing page on the date shown. "not published" means the vendor doesn't publish it; we don't guess. Prices change; confirm with the vendor.
Features and details from our listings
| Item | Superhuman | Spark Mail |
|---|---|---|
| What it is | The Superhuman AI suite (Grammarly's new name), including Superhuman Mail, a fast email client with AI replies and inbox triage. | An email app with a smart inbox and AI that writes, summarises and organises email for individuals and teams. |
| Made by | Superhuman | Readdle |
| Listed under | Email & inbox agents | Email & inbox agents |
| Jobs it fits |
|
|
| Verified public use cases | 0 | 0 |
Use cases
Superhuman
We haven't found a verified public use case for Superhuman yet.
Spark Mail
We haven't found a verified public use case for Spark Mail yet.
Use cases are summarised in our own words from the linked public post; vendor case studies are labelled. All use cases.
Who each is best for
- SubscriptionFree plan
Superhuman is best for
- Teams that need to: Triage and reply to email faster; Get AI writing help across apps.
- Budget: starts at Free; Pro $15/member/mo (subscription, free plan available).
- Per seatFree plan
Spark Mail is best for
- Teams that need to: Organise a busy inbox; Write replies with AI.
- Budget: starts at Free; Plus $10/user/mo (per seat, free plan available).
From our listing data (jobs, public pricing); not a hands-on test. Full details: Superhuman · Spark Mail.
FAQ
Which is cheaper, Superhuman or Spark Mail?
Comparing the lowest listed monthly plans: Superhuman Pro: $15/member/mo ($12 billed yearly), and Spark Mail Plus: $10/user/mo ($99/yr). Spark Mail lists the lower one. Superhuman and Spark Mail also have a free plan. Plans differ in what they include, and some are per seat or billed yearly, so compare the plan details. Checked October 21, 2026.
Is Superhuman free? Is Spark Mail free?
Superhuman: yes. Its Free plan is $0, checked October 21, 2026. Spark Mail: yes. Its Free plan is $0, checked October 21, 2026.
How much does Superhuman cost?
Superhuman lists Free: $0; Pro: $15/member/mo ($12 billed yearly); Business: $40/member/mo ($33 billed yearly). Its lowest listed monthly plan is Pro: $15/member/mo ($12 billed yearly). These are suite plans; check which plan includes Superhuman Mail before buying. Checked October 21, 2026 on the vendor's pricing page.
How much does Spark Mail cost?
Spark Mail lists Free: $0; Plus: $10/user/mo ($99/yr); Pro: $20/user/mo ($199/yr). Its lowest listed monthly plan is Plus: $10/user/mo ($99/yr). Checked October 21, 2026 on the vendor's pricing page.
Did AITeamGuide test them?
Not hands-on. This comparison is built from each vendor's public pricing page (with the date we checked it), published product information and credited public use cases.
Can a vendor pay to win this comparison?
No. Nothing here is paid. Paid placements on AITeamGuide are always labelled "Sponsored" or "Featured" and never change a comparison or ranking.
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Work at Superhuman or Spark Mail? Vendors can claim their listing for free or feature it with a label that says "Sponsored"; paid status never changes the order on this page. Building a different agent? List it here.
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