Shortwave vs Fyxer vs Missive vs Superhuman Mail
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
Shortwave
AI email client for Gmail with Claude-powered search and drafting
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Fyxer
AI assistant that sorts email, drafts replies and takes meeting notes
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Missive
Collaborative team inbox with AI assistant, real-time co-drafting, and...
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Superhuman Mail
Keyboard-first AI email client for Gmail and Outlook, now in the Super...
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| RECATOOLS Score | 7.5 / 10 | 7 / 10 | 8.2 / 10 | 7 / 10 |
| Capability | — | |||
| Value for money | — | |||
| Ease of use | — | |||
| ASEAN readiness | — | |||
| API quality | — | |||
| Pricing | Freemium | Freemium | Paid | Subscription |
| Free tier | Free: basic intelligence, limited AI quota, 90 days of search history, 15 threads per AI search and a "Sent with Shortwave" signature | Free plan: 400 credits/month (about 20 chat messages or 6.7 hours of audio notes); no reply drafting or inbox sorting. 14-day Pro trial | 30-day free trial of Productive, no card required; Missive's docs say it has no free plan | — |
| Paid from | $18/month (Pro, individual); team plans from $30/seat/month, billed monthly | From $37/person/mo billed annually ($49 monthly); Team $64 ($99 monthly); Enterprise custom | Starter at $14 a user a month billed yearly, or $18 month to month | $25/member/month (Mail Starter, billed annually); $30 billed monthly |
| Has API | ✗ | ✗ | ✓ | ✗ |
| Open source | ✗ | ✗ | ✗ | ✗ |
| Free to use | ✓ | ✓ | ✗ | ✗ |
| Users | — | ~180,000 users; 100+ companies (May 2025) | thousands of business customers (~3,700 in 2026); ~2,000 paying + ~1,600 free as of 2024 | 75000+ paying subscribers |
| Founded | 2022 | 2023 | 2015 | — |
| Maker | — | Independent (Fyxer AI Limited) | Missive (independent, bootstrapped) | Superhuman Platform Inc. (formerly Grammarly) |
| Verdict | Shortwave is one of the most complete AI email clients: description-based search across years of mail, automatic summaries, drafting that learns your style, AI filters and one-click inbox clean-up, all on Claude models.... |
Fyxer is good at the busywork of a crowded inbox: sorting mail, drafting replies you approve, and producing meeting notes and follow-ups, now with a free plan to try the meeting features. Its rapid growth has come with b... |
Missive is the collaborative inbox agencies reach for when duplicate replies and confused handoffs get expensive. Real-time co-drafting, internal comments invisible to customers, and solid Slack/Salesforce integrations m... |
Superhuman Mail is still the benchmark for processing a heavy inbox from the keyboard, and its AI layer of triage labels, drafts in your own style and Ask AI is tightly built into that flow. It works on top of Gmail and... |
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Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.