Comparison · checked 10 September 2026
VoltexAI vs Fyxer AI vs Superhuman
Day-to-day inbox AI, triage, and shortcuts — without a $30–$50 seat. Here is what each product actually ships, side by side.
Fyxer leans on meeting intelligence and auto-drafts. Superhuman leans on speed and keyboard-first triage. voltexai.app is a unified mail, calendar, and tasks workspace with AI you trigger (and can bring your own key for). See also the BYOK comparison vs Shortwave and Spark.
Features and price
| voltexai.app | Fyxer AI | Superhuman Mail | |
|---|---|---|---|
| AI writing / draft replies | Yes — draft reply and tone rewrite (you review before send) | Yes — drafts in your voice | Yes — AI writing assistant |
| Auto-drafts on inbound mail | No — AI proposes when you ask; never auto-sends | Yes — generative drafts ready to review | Business: Auto Drafts |
| Email triage / priority | Yes — AI urgency (high / medium / low) and triage sort | Yes — auto categorisation by priority | Yes — split inboxes and categories |
| Keyboard shortcuts | Yes — Gmail / Superhuman-style shortcuts + command palette | Not the main pitch | Yes — core product |
| Follow-ups and reminders | Yes — set on send (becomes a task); snooze | Yes — post-meeting follow-up drafts | Yes — timed reminders if no reply |
| Smart scheduling / availability | Yes — suggest free slots into a draft | Yes — calendar-aware suggestions | Yes — share availability |
| Booking links in drafts | No — slot text only | Yes | Availability sharing (not Calendly-style booking) |
| Meeting record / transcribe / summarise | No | Yes — Zoom, Teams, Google Meet | No (Mail product) |
| Chat with meeting transcript | No — ask questions about an open email instead | Yes | No |
| VIP contact lists | No — People intelligence (notes, reply stats); pin/star messages | Not published as VIP lists | Yes |
| Team comments on an email thread | No | No (individual / seat AI) | Yes — live comments (including non-users) |
| Shared workspace seats | Yes — Pro invites (shared mail / calendar / tasks) | Per-seat plans; team setup on Enterprise | Per-member seats |
| Unified multi-provider inbox | Yes — Gmail, Outlook / M365, iCloud, IMAP + calendar and tasks | Gmail and Outlook | Gmail and Outlook |
| Bring your own AI key (BYOK) | Yes — or Managed AI add-on | No — bundled AI | No — bundled AI |
| Monthly price (list, per user) | £0 - Free £3.99 - Standard £8.99 - Pro | $30 - Starter $50 - Professional Custom - Enterprise | $30 - Starter $40 - Business Custom - Enterprise |
Competitor features and prices from each vendor’s public site and common product descriptions, checked 10 September 2026. Annual billing lowers Fyxer and Superhuman effective rates; VoltexAI Standard is also cheaper annually. Currency: we bill in GBP; they publish USD. Features and prices change — this is not a full product review.
What we are not claiming
- We are not a meeting notetaker. If Zoom / Teams / Meet recording and transcript chat are the reason you want Fyxer, stay with Fyxer (or a dedicated notetaker).
- We do not auto-draft every inbound email or comment live on threads the way Superhuman’s team features do. AI proposes; you confirm.
- “From £3.99” is Standard. Free is £0 with limits. Pro is £8.99 and adds seats and higher caps — still well under their Starter seats. See pricing.
- Check Fyxer pricing and Superhuman Mail pricing before you decide.
Same inbox jobs. A fraction of the seat.
Create an account, connect the mailboxes you already use, and use AI drafts, triage, and shortcuts without a $30 starting seat.
Fyxer AI is a product of Fyxer. Superhuman Mail is a product of Superhuman. We are not affiliated with them. Comparison for people searching these names, checked 10 September 2026.