Comparison

AI Email Inbox 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

AI Email Inbox

This app transforms your email inbox into a messaging-style conversation flow, making communication easier and more organized. It features an AI assistant for generating replies, proofreading, and refining messages, alongside smart inbox prioritization and group chat-like management.

Highlights
  • Messaging-style email conversations
  • AI-generated email replies
  • Email proofreading and refinement
  • Smart inbox prioritization
  • Group chat-like email management
  • Multiple email account support
Features
Read full description

MailTime is the easiest email app on your phone. Send and receive emails just as you would in SMS style without needing all your contacts to download the same app. MailTime simplifies your email inbox and helps declutter your daily life and business. “Best of the App Store” — Apple “MailTime makes emails more manageable, easier to read, and quicker to respond to.” — TechCrunch "MailTime puts what we love about SMS in an email client." — LifeHacker 【MailTime AI: Email Protocol-based AI Assistant】 Experience the disruptive email messaging experience powered by generative AI, brought to you by Measurable Data Token (MDT). - MailTime AI generates contextual email replies that are tailored to the conversation thread - Choose from "Positive" or "Negative" tones and select "Long" or "Short" reply length. Click "Generate" to receive personalized, AI-powered email drafts. - Refine your message with "Proof-read", "Shorten", or "Expand" options, optimizing both AI-generated and your own text. - Unleash the boundless proficiency, creativity, and flexibility of generative AI. Manage your emails like never before. - MailTime AI Wallet*: Sign up for RewardMe to get daily FREE tokens, or Subscribe to Monthly or Yearly plans to enjoy unlimited use 【MESSENGERS-LIKE EMAIL】 - MailTime reformats your cluttered email threads into clean bubble conversations. Communication should be like a dialogue, not in threads! - Our smart inbox prioritizes important senders from all your newsletters, marketing emails, and other bot-generated mails in All Mail. Talk to people you care about, not bot! 【EMAIL AS GROUP CHAT】 - Managing your conversations in MailTime just like a group chat. To add, remove, or switch participants to 'cc' or 'bcc', just swipe left and change your participants' status. - You can have a conversation with people that are not in your contacts. One of the benefits of using email is that you can contact anybody if only you have their email address. 【MULTIPLE EMAIL ACCOUNT SUPPORT】 - Do not need to download other email apps. MailTime integrates multiple email platforms and support various email accounts, including Gmail, iCloud, Yahoo, Outlook, AOL, Office 365, Mail.ru, Hotmail, QQ, 163, 126, Tencent Enterprise, Google Apps Mail services. - You can also attach files from Dropbox, iCloud, Google Drive, Box, and OneDrive with MailTime. We love emails! Talk to us anytime by clicking the “Write to MailTime Team” button or send an email to support@mailtime.com Website: https://mailtime.com Twitter: https://twitter.com/mailtimeapp Facebook: https://www.facebook.com/mailtimeapp Instagram: https://www.instagram.com/mailtimeapp Have a Good MailTime! *Subject to Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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

AI Email Inbox4 screens
Mailbox Email Client for Gmail3 screens

Verdict

The call

The clearest difference is rating: Mailbox Email Client for Gmail at 4.5 against AI Email Inbox's 3.2. Mailbox Email Client for Gmail also leads on in-app purchases (none vs 3). AI Email Inbox's advantage is iOS requirement (15.0 vs 17.6). On price, ratings volume, update cadence and ads 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. AI Email Inbox sells 3 in-app purchases, starting at $0.99 per month. Mailbox Email Client for Gmail asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Mailbox Email Client for Gmail holds the better App Store score, 4.5 against 3.2. Both are backed by a comparable volume of ratings — 41 and 31 respectively.

UpkeepUpdate frequency

AI Email Inbox ships an update every 3 weeks, Mailbox Email Client for Gmail every 5 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
AI Email Inbox versus Mailbox Email Client for Gmail: the parameters behind the verdict, then further details
ParameterAI Email InboxMailbox Email Client for Gmail
PriceFreeFree
Rating3.2 (41 ratings)4.5 (31 ratings) — better
Positive reviews61.1% of reviews—
Number of ratings41 — better31
Update frequencyEvery 3 weeks — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better17.6
Further details — not scored
Size116 MB9 MB
Age rating17+4+
DeveloperMailTimeIndigogo

Customer experience

AI Email Inbox

All ratings41 ratings
Positive48.8%
Neutral22.0%
Negative29.3%
Written reviews131 reviews
Positive61.1%
Neutral11.5%
Negative27.5%

Mailbox Email Client for Gmail

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

Bugs and requests

AI Email Inbox

Reported bugs

15 issues
  • Cannot navigate back from message view without closing app
  • Server busy errors preventing app usage
  • App incompatible with iOS 14+ despite iOS 13 support claim
  • Emails deleted from trash still appear in account
  • Notification doesn't navigate to correct email account
Show 10 more
  • App stuck on 'updating' screen indefinitely
  • Crashes when accessing contacts or composing emails
  • Conversation bubbles create duplicate full emails for recipients
  • iCloud account triggers security lockouts
  • Yahoo email rejected as insecure
  • Replying pane covers email text
  • Attachment indicators show attached files that aren't actually attached
  • Forwarding function not working properly
  • App hangs while loading emails
  • Slow performance on older devices (iPod Touch 5)

Requested features

18 requests
  • Dark mode support
  • Multi-select for bulk email deletion
  • Junk/spam folder
  • VIP or priority inbox filtering
  • Email aliases support
Show 13 more
  • Customizable swipe actions
  • Mark as read from notifications
  • Audio message sending capability
  • iPad support
  • Microsoft Exchange support
  • IMAP/POP account support
  • Unified inbox view across all accounts
  • Email reminders and follow-up features
  • Accessibility features (VoiceOver, text size options)
  • Faster email refresh/sync speed
  • Better notification management
  • Conversation threading improvements
  • Color-coding for different email accounts

Mailbox Email Client for Gmail

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

AI Email Inbox

Subscriptions2
  • AI Monthly Subscription$0.991 Month
  • AI Yearly Subscription$4.991 Year
One-time1
  • 100 MailTime AI Credits$0.99
None

Mailbox Email Client for Gmail

No in-app purchases

Questions

Is AI Email Inbox free?
AI Email Inbox is free to download, with in-app purchases available.
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, AI Email Inbox or Mailbox Email Client for Gmail?
Mailbox Email Client for Gmail is rated higher. AI Email Inbox averages 3.2 out of 5 from 41 ratings, while Mailbox Email Client for Gmail averages 4.5 from 31 ratings.
Do AI Email Inbox or Mailbox Email Client for Gmail have ads?
Neither AI Email Inbox nor Mailbox Email Client for Gmail shows ads.
Which is updated more often, AI Email Inbox or Mailbox Email Client for Gmail?
AI Email Inbox ships an update every 3 weeks, and Mailbox Email Client for Gmail every 5 weeks. Most recently, AI Email Inbox was updated on November 1, 2026 and Mailbox Email Client for Gmail on November 3, 2026.

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