SipherMail vs Island Mail
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SipherMail
This secure email platform offers end-to-end encryption and AI-powered features like rewriting and summaries. It provides a modern, organized inbox experience with privacy controls and business account options.
- End-to-end encryption
- AI email rewriting and summaries
- Smart inbox organization
- Remote image blocking
- Business accounts
- Multi-account support
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SipherMail is a privacy-first, AI-powered email platform designed for individuals and businesses who value security, intelligence, and control. • Modern conversation-based email experience • End-to-end encryption (E2EE) for private communication • AI-powered email rewriting and summaries • Smart inbox organization • Business accounts and shared inboxes • Multi-account support • Remote image blocking and tracking protection SipherMail does not sell user data and does not include third-party advertising. AI features can be disabled in Privacy Mode.
Island Mail
Manage your email efficiently with a fast, native mail app. Quickly triage your inbox with swipe gestures, compose rich text emails, and seamlessly share content to other apps or create notes and tasks. Customize themes and rules for a personalized experience.
- Swipe to triage emails
- Paging swipe for quick reading
- Rich text email composer
- One-tap email to note/task/event
- Customizable themes and rules
- Unified inbox for multiple accounts
- Private by design, no tracking or ads
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Control your email. Don't let it control you. Island Mail is a fast, triage-focused, native mail app for iPhone, iPhone Duo, and iPad. FLY THROUGH YOUR INBOX • Swipe to delete, archive, star, or share — right from the list. • Slide through emails like cards off a deck with a smooth paging swipe: read one, act on it, and glide to the next. • Multi-select to archive, mark, or trash in bulk — with undo. • Fast search across every account, with filters for unread, starred, and dates. A COMPOSER THAT'S POWERFUL — AND FUN • Rich text, lists, signatures, and emoji. • Full-fidelity drafts, saved automatically. • Clean, readable emails. • Playful text styles — flip it upside down, go leetspeak, and more. SHARE SUITE — PUT EVERY EMAIL WHERE IT BELONGS Turn any email into a note, task, or event in one tap: • Built-in targets: DEVONthink, Things, Fantastical, OmniFocus, Drafts, and more. • Set a reminder or add it to your calendar. • Export as PDF, text, or .eml. • Build your own targets for any app with a URL scheme. • Note and task shares carry a durable link straight back to the source email. MAKE IT YOURS • Ten beautiful themes — light, dark, and everything between. • Custom folders, rules, block-sender, and one-tap unsubscribe. WORKS WITH YOUR ACCOUNTS • Gmail, iCloud, Outlook / Office 365, Fastmail, and any IMAP account. • Multiple accounts with a unified inbox. • Native iPhone and iPad layouts — made for iPad, not stretched to fit. PRIVATE BY DESIGN • Your credentials live only in the iOS Keychain. • No tracking, no ads, no data collection. Your mail is yours. FREE TO USE Island Mail is free for everyday email. The Share Suite — one-tap sharing to your favorite apps and your own custom targets — includes a free 7-day trial, then a single one-time purchase to unlock.
Screenshots
Verdict
The clearest difference is update cadence: SipherMail at every 5 days against Island Mail's every 10 days. SipherMail also leads on iOS requirement (17.0 vs 26.5). On price, rating, ratings volume and ads 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. SipherMail sells 6 in-app purchases, starting at $9.99 per month and Island Mail sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for SipherMail against 5.0 for Island Mail. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
SipherMail ships an update every 5 days, Island Mail every 10 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.
| Parameter | SipherMail | Island Mail |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 5 days — better | Every 10 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17.0 — better | 26.5 |
| Further details — not scored | ||
| Size | 73 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | THE TRISUN L.L.C-FZ | WiredIsle LLC |
In-app purchases
SipherMail
- SipherMail Pro$9.991 Month
- SipherMail Pro Yearly$99.991 Year
- AI Credits – 100$5.99
- AI Credits – 500$19.99
- AI Credits – 2000$59.99
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- AI Credits – 10000$249.99
Island Mail
- Share Suite$14.99








