Comparison

Inbox Pro vs Mailbox Email Client for Gmail

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

Head to head
About

Inbox Pro

This email client prioritizes your privacy and security for Gmail accounts. It offers robust protection through data-free access, biometric locks, and encrypted communication, ensuring your sensitive information remains safe.

Highlights
  • Data-free email access
  • Fingerprint/Face ID lock
  • Encrypted communication
  • Passcode protection
  • Seamless Gmail integration
  • User-friendly interface
Features
Read full description

Secure Mail is the ultimate email client for iOS, designed to provide you with the highest level of privacy and security when accessing your Gmail account. Say goodbye to worries about your sensitive email data falling into the wrong hands in case of a lost or stolen phone. Key Features: Data-Free Security: Unlike conventional email clients, Secure Mail doesn't store your emails or attachments on your device. All your data is accessed directly from Gmail's secure servers. This means that even if your phone is lost or stolen, your emails remain inaccessible to unauthorized users. Fingerprint/Face ID Lock: We understand the importance of an extra layer of security. Secure Mail allows you to set up biometric authentication (Face ID or Fingerprint) to ensure that only you can access your email client. Encrypted Communication: Secure Mail uses advanced encryption protocols to secure the communication between your device and Gmail's servers. This ensures that your email data is protected at all times. Passcode Protection: In addition to biometric authentication, you can set a unique passcode to further enhance the security of your email client. Gmail Integration: Secure Mail seamlessly integrates with your Gmail account, giving you access to all your emails, attachments, labels, and folders, just as you would expect from a Gmail client. User-Friendly Interface: With an intuitive and user-friendly design, Secure Mail ensures that you can easily manage your emails, compose new messages, and stay organized with your Gmail account.

About

Mailbox Email Client for Gmail

This app streamlines Gmail management with AI-powered summaries, multi-account support, and smart scheduling. Its intuitive design and fast swipe actions help users focus on important messages and boost productivity.

Highlights
  • AI email summarization
  • Multi-account management
  • Smart email scheduling
  • Lightning-fast swipe actions
  • Threaded conversations
  • Modern, clean interface
Features
Read full description

Mailbox for Gmail - Smart Email Client Experience Gmail like never before with AI-powered simplification and beautiful design. Mailbox for Gmail transforms your email experience with intelligent features that help you focus on what matters. Manage multiple Gmail accounts, simplify complex emails with AI, and stay organized with powerful productivity tools. KEY FEATURES AI Email Simplification • Get instant summaries of long emails • Extract key points automatically • Powered by OpenAI for accurate understanding • Save time reading newsletters and reports Multi-Account Management • Seamlessly switch between multiple Gmail accounts • Each account keeps separate preferences • Instant switching - no re-authentication needed • Secure OAuth2 authentication with Google Smart Email Scheduling • Snooze emails to reappear at the perfect time • Schedule messages for later review • Keep your inbox focused on what's urgent Productivity Features • Lightning-fast swipe actions • Star important messages • Archive, delete, or snooze with a swipe • Thread conversations for context Beautiful Design • Modern, clean interface built with SwiftUI • Smooth animations and intuitive navigation • Customizable text sizes for comfortable reading • Dark mode support (coming soon) Privacy & Security • Secure OAuth2 authentication • Your credentials never stored on servers • Data encrypted with iOS Keychain • No email content shared with third parties Built for iOS • Native iOS 15+ performance • Optimized for all iPhone sizes • Offline access to cached emails • Fast sync with Gmail servers PERFECT FOR • Professionals managing multiple email accounts • Anyone overwhelmed by long email threads • Users who want AI-powered productivity • People seeking a modern Gmail experience TRY DEMO MODE Not ready to connect your account? Try our built-in demo mode with realistic fake emails to explore all features risk-free! REQUIREMENTS • iOS 15.0 or later • Gmail account(s) • OpenAI API key (for AI features - optional) GET STARTED IN SECONDS 1. Sign in with your Gmail account 2. Customize your preferences 3. Start managing emails smarter Download Mailbox for Gmail today and experience email productivity reimagined! .

Screenshots

Inbox Pro4 screens
Mailbox Email Client for Gmail3 screens

Verdict

The call

Inbox Pro and Mailbox Email Client for Gmail are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Mailbox Email Client for Gmail holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 40 and 14 respectively.

UpkeepUpdate frequency

Inbox Pro ships an update every 2 months, Mailbox Email Client for Gmail every 5 weeks. The most recent releases landed on August 20, 2026 and September 18, 2026 respectively.

ScorecardNo meaningful differences
Inbox Pro versus Mailbox Email Client for Gmail: the parameters behind the verdict, then further details
ParameterInbox ProMailbox Email Client for Gmail
PriceFreeFree
Rating4.4 (40 ratings)4.6 (14 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings40 — better14
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone
Requires iOS16.0 — better17.6
Further details — not scored
Size70 MB9 MB
Age rating4+4+
DeveloperChromaticApp LtdIndigogo

Customer experience

Inbox Pro

All ratings40 ratings
Positive82.5%
Neutral7.5%
Negative10.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Mailbox Email Client for Gmail

All ratings14 ratings
Positive92.9%
Neutral0.0%
Negative7.1%

In-app purchases

None

Inbox Pro

No in-app purchases

None

Mailbox Email Client for Gmail

No in-app purchases

Questions

Is Inbox Pro free?
Inbox Pro is free to download, with no in-app purchases.
Is Mailbox Email Client for Gmail free?
Mailbox Email Client for Gmail is free to download, with no in-app purchases.
Which has better reviews, Inbox Pro or Mailbox Email Client for Gmail?
Mailbox Email Client for Gmail is rated higher. Inbox Pro averages 4.4 out of 5 from 40 ratings, while Mailbox Email Client for Gmail averages 4.6 from 14 ratings.
Do Inbox Pro or Mailbox Email Client for Gmail have ads?
Neither Inbox Pro nor Mailbox Email Client for Gmail shows ads.
Which is updated more often, Inbox Pro or Mailbox Email Client for Gmail?
Inbox Pro ships an update every 2 months, and Mailbox Email Client for Gmail every 5 weeks. Most recently, Inbox Pro was updated on August 20, 2026 and Mailbox Email Client for Gmail on September 18, 2026.

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