Comparison

Criptext Secure Email vs OneMail

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Criptext Secure Email

This email service prioritizes your privacy with end-to-end encryption and no data collection. Your inbox is stored solely on your device, ensuring only you and your recipients can access your messages. The open-source nature allows for verification of its security claims.

Highlights
  • End-to-end encryption
  • No data collection
  • Local inbox storage
  • Open source code
  • Easy to use interface
Read full description

Finally, an email service that's built around your privacy. Get your @criptext.com email address and see what it's like to have peace of mind and privacy in every email you send. Features: +End-to-end Encryption: Criptext uses the open source Signal Protocol library to encrypt your emails. Your emails are locked with a unique key that‘s generated and stored on your device alone, which means only you and your intended recipient can read the emails you send. +No data collection: unlike every other email service out there, Criptext doesn't store your emails in its servers. Instead, your entire inbox is stored exclusively on your device. +Open Source: our source code is open for everyone to see that Criptext actually works the way it's advertised. You don't have to trust us, you can verify for yourself: https://github.com/Criptext +Easy to use: our app is designed to work as simple as any other email app — so much so, you'll forget how secure it is. Get Criptext and see how easy it is to email with more security and privacy!

About

OneMail

This app consolidates multiple email accounts into a single, organized inbox. It offers features like colored account tags, email grouping by date, and a dark mode for enhanced readability. Users can manage folders, filter emails by category, and customize actions for a streamlined email experience.

Highlights
  • Unified inbox for multiple accounts
  • Colored account tags
  • Group emails by date
  • Dark mode
  • HTML formatted signatures
  • Unsubscribe with a tap
  • Customizable swipe actions
Features
Read full description

OneMail is an IMAP multi accounts email app that groups beautifully your emails into one Inbox. With Tag colored accounts you can easily know each email to which account it belongs to. OneMail groups your emails by date so you can easily peek at the received time without the need to enter to the email. With Dark mode you can experience a beautiful new design and eyes comfort in low light environment. OneMail is designed to optimize the synchronization time between your inbox and you email provider. With OneMail you can: - Switch between your accounts and you unified inbox easily. - Send emails with HTML formatted signatures. - Open and send email attachments. - Open and browse compressed files and send uncompressed files individually. - Unsubscribe with a tap. - Easily manage your Inbox by creating, renaming and removing folders. - Easy filter you inbox by categories like Unread, Newsletters, emails with attachments... - Search and select contacts from your phone contacts. - Customize Swipe Actions. - Undo Actions like send, delete, archive... - Snooze Emails - Make OneMail your default email app. With OneMail Plus! you can:  - Add unlimited number of mail accounts. - Receive push notifications from all IMAP providers. OneMail is built over the respect of user privacy and do not store any informations from your emails. All your emails data and headers are stored locally on your device. We will keep improving OneMail so your feedback will be appreciated. You can contact us at support@nouvelware.com Terms and Conditions: https://nouvelware.com/tc

Screenshots

Criptext Secure Email4 screens
OneMail4 screens

Verdict

The call

The clearest difference is in-app purchases: Criptext Secure Email at none against OneMail's 4. Criptext Secure Email also leads on ads (none vs shown) and review sentiment (56% vs 34%). OneMail's advantage is update cadence (every 9 days vs every 3 weeks). On price and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. OneMail sells 4 in-app purchases, starting at $1.99 per month. Criptext Secure Email asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Criptext Secure Email holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 1.2K and 298 respectively. Written reviews point the same way: 56% of Criptext Secure Email's written reviews are positive against 34% of OneMail's.

UpkeepUpdate frequency

Criptext Secure Email ships an update every 3 weeks, OneMail every 9 days. The most recent releases landed on September 12, 2026 and September 23, 2026 respectively.

Scorecard8 real differences · 2 level
Criptext Secure Email versus OneMail: the parameters behind the verdict, then further details
ParameterCriptext Secure EmailOneMail
PriceFreeFree
Rating4.7 (1.2K ratings) — better4.4 (298 ratings)
Positive reviews56.5% of reviews — better34.4% of reviews
Number of ratings1.2K — better298
Update frequencyEvery 3 weeksEvery 9 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.2 — better13.0
Further details — not scored
Size64 MB26 MB
Age rating4+4+
DeveloperCriptext Inc.Nouvelware

Customer experience

Criptext Secure Email

All ratings1,215 ratings
Positive91.8%
Neutral3.0%
Negative5.2%
Written reviews85 reviews
Positive56.5%
Neutral4.7%
Negative38.8%

OneMail

All ratings298 ratings
Positive87.2%
Neutral1.0%
Negative11.7%
Written reviews61 reviews
Positive34.4%
Neutral16.4%
Negative49.2%

User reviews

Criptext Secure Email

From 1.2K App Store ratings

What we love

  • 🚀 Fast and reliable
  • 🔒 Secure and private
  • 👍 Clean and intuitive UI
  • 💡 Unique features like read receipts
  • 🌐 Multi-platform support

Room to improve

  • 🐛 Bugs and crashes
  • ⚠️ Unreliable email delivery
  • 📤 Issues with attachments and file transfers
  • 🕰️ Slow customer support response times
  • 🚫 Unable to sign up or create new accounts

OneMail

From 298 App Store ratings

What we love

  • 👍 Clean, simple, and easy-to-use interface
  • 🎨 Customizable appearance and dark mode support
  • 📧 Unified inbox for multiple email accounts
  • ⚡ Lightweight app with small digital footprint
  • 🔔 Instant push notifications for Gmail and Outlook

Room to improve

  • 🐛 Frequent crashes and unexpected closures
  • ⏱️ Slow email download and refresh speeds
  • 🔌 Stability issues across multiple iOS versions
  • 📵 Unreliable push notifications
  • 🔐 Gmail account integration blocked by Google

Bugs and requests

Criptext Secure Email

Reported bugs

5 issues
  • App freezes on startup
  • Sync issues between devices
  • Emails not received or delayed
  • Attachment upload/download failures
  • Password reset problems

Requested features

5 requests
  • Dark mode option
  • Advanced search and filtering
  • Calendar and task management integration
  • Improved backup and export options
  • Support for more email providers and aliases

OneMail

Reported bugs

15 issues
  • App crashes when adding multiple email accounts
  • Crashes when moving emails to folders
  • Red screen freeze after adding email accounts
  • White blank screen on app launch
  • Snoozed emails reappearing in junk folder
Show 10 more
  • Email blocking feature not working
  • Notifications not working despite settings
  • Cannot send or forward emails
  • Emails disappearing from inbox
  • App crashes on iOS 16.1 and later versions
  • Sync failures with AOL and other providers
  • iPad compatibility issues (crashes on iPad)
  • Hotmail account setup conflicts
  • App flashing back to home screen on iPad
  • Slow performance and random folder navigation errors

Requested features

11 requests
  • Calendar integration with meeting invitations
  • Email printing functionality
  • Bulk delete multiple messages at once
  • Folder creation and management
  • Email aliases for replies
Show 6 more
  • Larger font size customization
  • Evernote integration
  • MacBook Pro support
  • Password visibility toggle during account setup
  • Ability to show additional email providers like mail.com
  • Flagged emails sorting to top of inbox

In-app purchases

None

Criptext Secure Email

No in-app purchases

4 purchases

OneMail

Subscriptions4
  • OneMail Plus$1.991 Month
  • OneMail Plus! Monthly$1.991 Month
  • OneMail Plus$7.991 Year
Show 1 more
  • OneMail Plus! Yearly$7.991 Year

Questions

Is Criptext Secure Email free?
Criptext Secure Email is free to download, with no in-app purchases.
Is OneMail free?
OneMail is free to download, with in-app purchases available.
Which has better reviews, Criptext Secure Email or OneMail?
Criptext Secure Email is rated higher. Criptext Secure Email averages 4.7 out of 5 from 1.2K ratings, while OneMail averages 4.4 from 298 ratings.
Do Criptext Secure Email or OneMail have ads?
OneMail shows ads; Criptext Secure Email does not.
Which is updated more often, Criptext Secure Email or OneMail?
Criptext Secure Email ships an update every 3 weeks, and OneMail every 9 days. Most recently, Criptext Secure Email was updated on September 12, 2026 and OneMail on September 23, 2026.

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