Mailbox Email Client for Gmail vs Emma Email
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- AI email summarization
- Multi-account management
- Smart email scheduling
- Lightning-fast swipe actions
- Threaded conversations
- Modern, clean interface
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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! .
Emma Email
A minimalist email client focused on speed and simplicity to help users achieve inbox zero. It offers a clean interface and thoughtful defaults to reduce clutter and boost productivity. Currently supports multiple Gmail accounts on iPhone.
- Minimalist design
- Inbox zero focus
- Fast and speed-optimized
- Reduces clutter
- Supports multiple Gmail accounts
- Clean interface
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Emma is a Newton-inspired email client for iPhones. Your inbox has a bottom. Fewer features and less spam get you there. WORKS WITH GMAIL AND OUTLOOK (ICLOUD COMING) As many accounts as you need. ONE-TAP UNSUBSCRIBE Tap once and tomorrow's inbox is lighter. READ RECEIPTS Know when your emails are read. TEXTED 2FA CODES Emailed two-factor codes are sent to you via text message for easy prefill. SET ASIDE Emma has a single non-inbox folder for emails that aren't actionable today. TRUE DARK MODE Dark themed app, dark themed emails. PRIVACY Emma does not persist your emails. Full stop. NOT INCLUDED AI, calendar, chat, snooze, templates. Emma is devoted to the closure found at the bottom of your inbox. She never sends you email. Not even a welcome email.
Screenshots
Verdict
The clearest difference is update cadence: Emma Email at weekly against Mailbox Email Client for Gmail's every 5 weeks. On price, rating, ratings volume 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.6 for Mailbox Email Client for Gmail against 4.6 for Emma Email. Both are backed by a comparable volume of ratings — 14 and 11 respectively.
Mailbox Email Client for Gmail ships an update every 5 weeks, Emma Email weekly. Both last shipped on October 5, 2026.
| Parameter | Mailbox Email Client for Gmail | Emma Email |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (14 ratings) | 4.6 (11 ratings) |
| Positive reviews | — | 71.4% of reviews |
| Number of ratings | 14 — better | 11 |
| Update frequency | Every 5 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 17.6 | 16.4 — better |
| Further details — not scored | ||
| Size | 9 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Indigogo | Castle Labs LLC |
Customer experience
Mailbox Email Client for Gmail
Emma Email
In-app purchases
Mailbox Email Client for Gmail
No in-app purchases
Emma Email
No in-app purchases
Questions
Is Mailbox Email Client for Gmail free?
Is Emma Email free?
Which has better reviews, Mailbox Email Client for Gmail or Emma Email?
Do Mailbox Email Client for Gmail or Emma Email have ads?
Which is updated more often, Mailbox Email Client for Gmail or Emma Email?
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