nomoat / Omnia OS / Alternatives
Alternatives to Omnia OS
Omnia OS: A Mac email app for Gmail that holds unknown senders for approval, groups mail by company and clears backlogs in bulk. Here are 12 other products that do a similar job. Of these, 8 have a free plan, 2 carry proof such as verified revenue, update history or uptime.
- ChatInbox
An email app for iPhone, iPad and Mac that shows your mail as conversations grouped by the person who sent it.
Since 2023Updated 18 days ago
Free plan · Focus and productivity · Individuals and families
- Marco
Private email app for iPhone, Mac and the web that handles all your accounts, works without internet and never writes for you.
Since 2026
Free plan · Focus and productivity · Individuals and families
- Rostam Mobile Security
Phone security app that blocks connections to known malware, phishing and botnet hosts and explains each block.
Since 2019Updated 11 days ago
Subscription · Security and passwords · Individuals and families
- Arlo
A Mac app that reads your mail, calendar and files each morning and writes a short note on what needs you that day.
Since 2026
Free plan · Focus and productivity
- Franz
Puts WhatsApp, Slack, Signal, email and other messengers into one desktop app with workspaces.
Since 2017
Free plan · Focus and productivity
- Readry
Gives you a forwarding address that turns email newsletters into ebooks and sends them to your Kindle, Kobo or reMarkable.
Since 2024
Free plan · Focus and productivity · Individuals and families
- Superwhisper
Dictation app that turns what you say into clean text inside any program, working offline or in the cloud.
Since 2023
Free plan · Focus and productivity
- Voicy
Type by speaking in email, documents and chat apps on your computer or phone, with punctuation added for you.
Subscription · Focus and productivity
- AuditBadger
Guides small startups through SOC 2 and ISO 27001 audits with a task list and evidence pulled from their cloud tools.
Since 2026
Subscription · Security and passwords · Software companies
- DMARCmetric
Reads the DMARC XML reports for your domain and explains in plain words who sends mail as you and what to fix.
Free plan · Security and passwords
- DomainCanary
Moves your domain to a strict DMARC policy in approved steps, and restores the last policy if your own mail starts getting blocked.
Free plan · Security and passwords
- NeatMail
Finds the promises in your Gmail or Outlook inbox, labels them, and drafts the follow-up email when one is due.
Since 2026
Subscription · Focus and productivity