Slashy Mail vs Superhuman Go
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Slashy Mail
A streamlined email client designed for Gmail users. It enables rapid inbox management, efficient searching, and quick replies. Features like reminders and scheduled sending help manage follow-ups effectively.
- Fast inbox triage
- Quick search
- Rapid replies
- Compose with attachments
- Reminders
- Scheduled send
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Slashy is a fast, focused email client for Gmail and Outlook. Quickly triage your inbox, search threads, reply fast, and compose with attachments. Use reminders and scheduled send to stay on top of follow-ups. Connect your Google or Microsoft account to access your existing mailbox and manage email efficiently from mobile.
Superhuman Go
This AI assistant works across your devices to help with writing, summarizing documents, scheduling meetings, and finding information. It syncs with your desktop experience, allowing you to seamlessly continue conversations and access context from other integrated tools.
- Summarize long documents
- Brainstorm project ideas
- Schedule meetings
- Draft and polish emails/reports
- Provide meeting refreshers
- Improve writing structure and tone
- Syncs across desktop and mobile
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Superhuman Go, from the makers of Grammarly, is the AI assistant that works everywhere you work, including your phone. Bring Go with you and catch up during your commute, get quick help with your writing, or easily find the answers you need wherever you are. And since the Go mobile app syncs with your desktop experience, you can begin a conversation in one spot and continue it in another. GREAT WAYS TO USE GO * Have Go give you a brief summary of a long document * Chat with Go and brainstorm ideas for your latest project * Task Go with finding a good time for a meeting and schedule it in a tap * Ask Go for help drafting and polishing emails or reports, right from your phone * Before heading into a big meeting, ask Go to give you a quick refresh so you’re up to date on all the latest BUILT FOR BETTER WRITING With Grammarly’s years of insights intact, Go is the perfect AI assistant to help with your writing. Whether you want to fit your tone to your audience, get help improving structure, or detect text that resembles common AI phrases, you always have the specific help you need with you. TAKE YOUR CONTEXT WITH YOU Once connected with the desktop versions of Go, you can instantly get information from other tools you use, like: * Superhuman Mail * Google Calendar * Google Docs * Confluence * Outlook * Asana * Gmail * Jira So the context you need is always at your fingertips. (Note: connectors require a paid plan) TRY FOR FREE Spend less time chasing work and more time doing your best work. Download Superhuman Go today. By installing Superhuman’s mobile app, you agree to Superhuman’s Terms of Service (Superhuman Terms of Service) and acknowledge that you have read Superhuman’s Privacy Policy (Privacy Policy | Superhuman ). California residents, please see the California Privacy Notice (Privacy Policy | Superhuman ).
Screenshots
Verdict
The clearest difference is update cadence: Slashy Mail at every 3 days against Superhuman Go's every 5 weeks. Slashy Mail also leads on ratings volume (16 vs 1) and iOS requirement (16.4 vs 18.0). Superhuman Go's advantage is review sentiment (100% vs 80%). On price, rating, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Superhuman Go holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Slashy Mail has 16 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 80% of Slashy Mail's written reviews are positive against 100% of Superhuman Go's.
Slashy Mail ships an update every 3 days, Superhuman Go every 5 weeks. Both last shipped on November 5, 2026.
| Parameter | Slashy Mail | Superhuman Go |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (16 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 80.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 16 — better | 1 |
| Update frequency | Every 3 days — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.4 — better | 18.0 |
| Further details — not scored | ||
| Size | 71 MB | 42 MB |
| Age rating | 12+ | +12 |
| Developer | Dhruv Roongta | Superhuman Platform Inc |
Customer experience
Slashy Mail
Superhuman Go
In-app purchases
Slashy Mail
No in-app purchases
Superhuman Go
No in-app purchases
Questions
Is Slashy Mail free?
Is Superhuman Go free?
Which has better reviews, Slashy Mail or Superhuman Go?
Do Slashy Mail or Superhuman Go have ads?
Which is updated more often, Slashy Mail or Superhuman Go?
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