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mailbox alternatives · Email

mailbox alternatives with an iPhone and iPad app

The mailbox listing does not include an iPhone and iPad app. 35 of the 51 other email apps in this directory list an iPhone and iPad app.

mailbox is a paid product with a free trial, starting at €1 per month, annual payment only (€12 a year, Light). 24 of them are free or have a free plan.

35 tools · Listings checked up to Oct 9, 2026 · Where the facts come from

The 12 closest to mailbox

  1. Tuta Mail

    End-to-end encrypted email and calendar from Germany

    • Tuta Mail starts at €3 per month, paid yearly (lowest paid personal plan). mailbox starts at €1 per month, annual payment only (€12 a year, Light).
    • Tuta Mail has a free plan. mailbox does not, though it has a free trial.
    • Only Tuta Mail lists Windows, macOS, Linux, iOS and Android apps.
    • Tuta Mail is open source, according to its own site.
    Tuta Mail vs mailboxTuta Mail pricing and details

  2. Proton Mail

    End-to-end encrypted email service based in Switzerland

    • Proton Mail starts at $3.99 per month, billed every 12 months ($47.88); $4.99 billed monthly. mailbox starts at €1 per month, annual payment only (€12 a year, Light).
    • Proton Mail has a free plan. mailbox does not, though it has a free trial.
    • Only Proton Mail lists macOS, Windows, Linux, iOS and Android apps.
    • Proton Mail is open source, according to its own site.
    Proton Mail vs mailboxProton Mail pricing and details

  3. Fastmail

    Paid, ad-free email with calendar, contacts and custom domains

    • Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly. mailbox starts at €1 per month, annual payment only (€12 a year, Light).
    • Only Fastmail lists Windows, macOS, Linux, iOS and Android apps.
    • mailbox is end-to-end encrypted, according to its own site.
    • mailbox also covers tasks, documents, video calls and file sync.
    Fastmail vs mailboxFastmail pricing and details

  4. Mailfence

    Private email from Belgium with built-in OpenPGP encryption

    • Mailfence starts at €2.50 per month, billed yearly (Base). mailbox starts at €1 per month, annual payment only (€12 a year, Light).
    • Mailfence has a free plan. mailbox does not, though it has a free trial.
    • Only Mailfence lists iOS and Android apps.
    • mailbox also covers tasks, video calls and file sync.
    Mailfence vs mailboxMailfence pricing and details

  5. Zoho Mail

    Ad-free business email hosting with calendar, tasks and notes

    • Zoho Mail starts at $1 per user / month, billed annually (Mail Lite, 5 GB). mailbox starts at €1 per month, annual payment only (€12 a year, Light).
    • Zoho Mail has a free plan. mailbox does not, though it has a free trial.
    • Only Zoho Mail lists macOS, Windows, Linux, iOS and Android apps.
    • mailbox is end-to-end encrypted, according to its own site.
    Zoho Mail vs mailboxZoho Mail pricing and details

  6. Spike

    Chat-style email app with team chat, notes, tasks and video calls

    • Spike starts at $4 per member / month, billed annually (Teamspace Team); Email App Pro is $6. mailbox starts at €1 per month, annual payment only (€12 a year, Light).
    • Spike has a free plan. mailbox does not, though it has a free trial.
    • Only Spike lists macOS, Windows, iOS and Android apps.
    • mailbox is end-to-end encrypted, according to its own site.
    Spike pricing and details

  7. Microsoft Outlook

    Microsoft's email and calendar app for desktop, mobile and web

    • Microsoft Outlook starts at $1.99 per month, or $19.99 per year (Microsoft 365 Basic). mailbox starts at €1 per month, annual payment only (€12 a year, Light).
    • Microsoft Outlook has a free plan. mailbox does not, though it has a free trial.
    • Only Microsoft Outlook lists Windows, macOS, iOS and Android apps.
    • mailbox is end-to-end encrypted, according to its own site.
    Microsoft Outlook pricing and details

  8. Canary Mail

    AI email client with PGP encryption for Mac, iOS, Windows, Android

    • Canary Mail starts at $36 per year (Growth), shown as $3 per month billed yearly. mailbox starts at €1 per month, annual payment only (€12 a year, Light).
    • Canary Mail has a free plan. mailbox does not, though it has a free trial.
    • Only Canary Mail lists macOS, iOS, Windows and Android apps.
    • Only mailbox lists a web app.
    Canary Mail pricing and details

  9. eM Client

    Desktop email client for Windows and Mac with calendar and chat

    • eM Client starts at $39.95 per year (Personal subscription, up to 3 devices). mailbox starts at €1 per month, annual payment only (€12 a year, Light).
    • eM Client has a free plan. mailbox does not, though it has a free trial.
    • Only eM Client lists Windows, macOS, iOS and Android apps.
    • Only mailbox lists a web app.
    eM Client pricing and details

  10. BlueMail

    Cross-platform email client with a unified inbox and built-in AI

    • BlueMail starts at $35.99 per year (Plus, shown as $3 per month billed annually). mailbox starts at €1 per month, annual payment only (€12 a year, Light).
    • BlueMail has a free plan. mailbox does not, though it has a free trial.
    • Only BlueMail lists iOS, Android, macOS, Windows and Linux apps.
    • Only mailbox lists a web app.
    BlueMail pricing and details

  11. Superhuman Mail

    Keyboard-driven email client for Gmail and Outlook with built-in AI

    • Superhuman Mail starts at $25 per member / month, billed annually ($30 billed monthly). mailbox starts at €1 per month, annual payment only (€12 a year, Light).
    • Only Superhuman Mail lists macOS, Windows, iOS and Android apps.
    • Only Superhuman Mail lists a browser extension.
    • mailbox is end-to-end encrypted, according to its own site.
    Superhuman Mail pricing and details

  12. Spark Mail

    Email client with a unified smart inbox, AI tools and team features

    • Spark Mail starts at $8.25 per user / month, billed annually ($99 / year). mailbox starts at €1 per month, annual payment only (€12 a year, Light).
    • Spark Mail has a free plan. mailbox does not, though it has a free trial.
    • Only Spark Mail lists macOS, Windows, iOS and Android apps.
    • Only mailbox lists a web app.
    Spark Mail pricing and details

23 more that list an iPhone and iPad app

All 35 in one table

Common questions

Which mailbox alternatives have an iPhone and iPad app?

Tuta Mail, Proton Mail, Fastmail, Mailfence, Zoho Mail, Spike, Microsoft Outlook, Canary Mail and 27 more list an iPhone and iPad app.

Does mailbox have an iPhone and iPad app?

The mailbox listing does not include an iPhone and iPad app. It lists Web.

Which of these email apps are free?

Tuta Mail, Proton Mail, Mailfence, Zoho Mail, Spike, Microsoft Outlook, Canary Mail, eM Client and 16 more are free or have a free plan.

When was this checked?

Each listing shows its own date. On this page they run from Oct 4, 2026 to Oct 9, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to mailbox: the alternatives its listing names first, then the tools that share the most features with it.