Email & inbox assistant tools that do the same job, compared by AIME Score.
Superhuman Mail is an email app that helps you manage your inbox and respond to messages faster with built-in AI. If it is not the right fit, whether on price, features or the way you work, these 8 email & inbox assistant tools do the same job. Proven tools come first, then each is ordered by its AIME Score.
| Tool | AIME Score | Reviews | Free plan | Best for |
|---|---|---|---|---|
| Superhuman Mail (the tool you are replacing) | 75 | Proven | – | Freelancer, Solo Consultant |
| SaneBox | 68 | Proven | – | Freelancer, Solo Consultant |
| Spike | 64 | Proven | – | Micro Team (2 to 5), Freelancer |
| Shortwave | 60 | Proven | – | Freelancer, Solo Consultant |
| AI Emaily | 70 | Not yet reviewed | – | Solo Consultant |
| Fyxer | 70 | Not yet reviewed | – | Solo Consultant |
| Housecat | 70 | Not yet reviewed | – | Solo Consultant |
| Jace AI | 70 | Not yet reviewed | Mentioned | Solo Consultant |
| Supafax | 70 | Not yet reviewed | – | Solo Consultant |
Free plan: mentioned in the tool’s own profile; plans change, so check the tool’s pricing page.
SaneBox is an AI email assistant that sorts your inbox, moving unimportant messages out of the way and summarizing them for you.
Compared with Superhuman Mail: Lower AIME Score (68 vs 75); also tagged for Content Creator, which Superhuman Mail is not.
Best for: Freelancer, Solo Consultant, Content Creator
Spike is an email and productivity app that combines a unified inbox with team collaboration tools.
Compared with Superhuman Mail: Lower AIME Score (64 vs 75); also tagged for Solo Founder / Indie Maker, which Superhuman Mail is not.
Best for: Micro Team (2 to 5), Freelancer, Solo Consultant
Shortwave is an AI email assistant for Gmail that organizes, writes, searches, and schedules with simple prompts.
Compared with Superhuman Mail: Lower AIME Score (60 vs 75); also tagged for Solo Founder / Indie Maker, which Superhuman Mail is not.
Best for: Freelancer, Solo Consultant, One-Person Agency
AI Emaily is an email client that reads your inbox, drafts replies in your voice, and can send emails autonomously within rules you set.
Compared with Superhuman Mail: Lower AIME Score (70 vs 75); fewer reviews so far.
Best for: Solo Consultant
Fyxer is an AI email assistant that organizes your inbox, writes draft replies, and takes meeting notes.
Compared with Superhuman Mail: Lower AIME Score (70 vs 75); fewer reviews so far.
Best for: Solo Consultant
Housecat is an email inbox app that connects to your CRM, Slack, and Claude to automate work tasks.
Compared with Superhuman Mail: Lower AIME Score (70 vs 75); fewer reviews so far.
Best for: Solo Consultant
Jace AI is an email assistant that drafts replies, organizes inbox, and automates email tasks.
Compared with Superhuman Mail: Lower AIME Score (70 vs 75); mentions a free plan, which Superhuman Mail’s profile does not; fewer reviews so far.
Best for: Solo Consultant
Supafax is an AI email assistant that drafts replies, schedules meetings, and organizes your inbox in Gmail and Outlook.
Compared with Superhuman Mail: Lower AIME Score (70 vs 75); fewer reviews so far.
Best for: Solo Consultant
Every tool on this page does the same kind of work as Superhuman Mail: email & inbox assistant. Proven tools come first, then the rest, each ordered by AIME Score, the 0 to 100 score we give every tool. Being a partner never changes the order or the score, and partner tools are labeled.
It suits anyone who wants to get through email faster and stay on top of follow-ups, including freelancers, creators, and small teams. People use it to fly through their inbox, write replies with AI that sounds like them, and keep track of messages that need a response.
By AIME Score, SaneBox (68 of 100) is the top-rated email & inbox assistant tool we track besides Superhuman Mail, followed by Spike and Shortwave. The best pick depends on your work: check who each tool is best for below.
Jace AI mentions a free plan in its profile. Free plans usually have limits, so check the tool’s pricing page before you commit.
Every tool here does the same kind of work as Superhuman Mail (email & inbox assistant). Proven tools (4.0 stars or better from 25 or more verified reviewers) come first, then the rest, each ordered by AIME Score. Partner links never change the order or the score.
