Comparison

AI Email Inbox vs 1Stack Stellar

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

1Stack Stellar

Features
Read full description

Stellar is a powerful mobile companion for managing your cloud infrastructure on the go. Designed for developers, IT professionals, and system integrators, the app provides real-time access to your Stellar cloud servers, ensuring performance, control, and flexibility wherever you are.

Screenshots

AI Email Inbox4 screens
1Stack Stellar3 screens

Verdict

The call

The clearest difference is in-app purchases: 1Stack Stellar at none against AI Email Inbox's 4. 1Stack Stellar also leads on iOS requirement (13.0 vs 15.0). AI Email Inbox's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads 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. AI Email Inbox sells 4 in-app purchases, starting at $0.99 per month. 1Stack Stellar asks for nothing beyond the download.

UpkeepUpdate frequency

AI Email Inbox ships an update every 3 weeks, 1Stack Stellar every 2 months. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 7 level
AI Email Inbox versus 1Stack Stellar: the parameters behind the verdict, then further details
ParameterAI Email Inbox1Stack Stellar
PriceFreeFree
Rating3.2 (41 ratings) — better—
Positive reviews61.1% of reviews—
Number of ratings41 — better—
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.013.0 — better
Further details — not scored
Size116 MB55 MB
Age rating17+4+
DeveloperMailTimeCoreTech s.r.l.

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

1Stack Stellar

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

AI Email Inbox

Subscriptions2
  • AI Monthly Subscription$0.991 Month
  • AI Yearly Subscription$4.991 Year
One-time2
  • 20 MailTime AI Credits$0.99
  • 100 MailTime AI Credits$0.99
None

1Stack Stellar

No in-app purchases

Questions

Is AI Email Inbox free?
AI Email Inbox is free to download, with in-app purchases available.
Is 1Stack Stellar free?
1Stack Stellar is free to download, with no in-app purchases.
Do AI Email Inbox or 1Stack Stellar have ads?
Neither AI Email Inbox nor 1Stack Stellar shows ads.
Which is updated more often, AI Email Inbox or 1Stack Stellar?
AI Email Inbox ships an update every 3 weeks, and 1Stack Stellar every 2 months. Most recently, AI Email Inbox was updated on October 8, 2026 and 1Stack Stellar on October 10, 2026.

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