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Screenshots

  • Unibox – Email by sender screenshot 1
  • Unibox – Email by sender screenshot 2
  • Unibox – Email by sender screenshot 3
  • Unibox – Email by sender screenshot 4

About Unibox – Email by sender

Unibox groups your emails by sender. Find past messages, conversations and attachments under the relevant contact. See what you've written to each other. Under each contact, you'll see both received and sent emails. Whether you're arranging a meeting, following up with a question or sharing new documents, your correspondence stays together even when the subject changes. Find the file without first searching for the email. Unibox shows you all attachments from a sender in one place. Find documents and photos from different messages without first tracking down the email they came with. Clean up without opening every email. Delete or move all emails from the same sender together. This is useful for newsletters, automated confirmations and other regular emails. You can still manage individual emails separately. Reply with your previous emails in view. Read and write in the same window. While composing a reply, you can refer to earlier messages without switching between separate windows. A conversation stays together, even when several people are involved. Open a conversation with multiple participants from your email history. You'll see the messages in that conversation separately from other topics. Keep multiple inboxes in view. Unibox brings emails from all your accounts together in one view. See your personal and work email accounts in the same place. Use your existing email accounts. Unibox supports IMAP accounts, including iCloud, Gmail (with an app password), Outlook.com and Microsoft 365, as well as accounts on your own mail servers. Exchange accounts can be used if IMAP is enabled. Connect directly to your email provider. When sending and receiving email, Unibox connects directly to your email provider. Your emails are not routed through Unibox servers. Login credentials are stored locally on your device. Privacy: https://www.uniboxapp.com/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Ratings & reviews

4.1

238 ratings

5 ★ 64% 4 ★ 14% 3 ★ 6% 2 ★ 4% 1 ★ 12%

What’s new

Version 1.20.4 · Updated September 18, 2026

• The navigation bar no longer overlaps the status bar on iOS 27. • Gmail setup now guides you through checking 2-Step Verification and creating an app password in separate steps. • iCloud setup now shows the appropriate Apple instructions, explains the two-factor authentication requirement, and guides you to create an app-specific password.

App privacy

The developer, eightloops GmbH, reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Contact Info: Email Address
  • Identifiers: Device ID
  • Usage Data: Product Interaction
  • Diagnostics: Crash Data, Performance Data

Used for: Developer’s Advertising or Marketing, Analytics, App Functionality

Alternatives to Unibox – Email by sender

Looking for apps like Unibox – Email by sender? Here are 6 similar apps on the App Store. The highest rated is Email Client - Boomerang Mail (4.6/5), and all 6 are free to download.

Unibox – Email by sender vs. alternatives
App Rating Price Last updated
Unibox – Email by sender 4.1 / 5 (238 ratings) Free September 18, 2026
MailBuzzr for Outlook 4.1 / 5 (520) Free Mar 1, 2026
Airmail for Gmail Outlook Mail 4.2 / 5 (4,129) Free Sep 21, 2026
Polymail: Email Inbox 3.8 / 5 (83) Free Sep 22, 2026
OneMail - Email by Nouvelware 4.4 / 5 (298) Free Jul 14, 2024
Email Client - Boomerang Mail 4.6 / 5 (4,659) Free Jul 7, 2026
MailTime: AI Email Inbox 3.7 / 5 (97) Free Jul 15, 2025