Comparison

Inbox Zero vs BoxBee Ai Mailbox

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

Head to head
About

Inbox Zero

This email client offers a fast, offline-capable experience for Gmail and Outlook, featuring an AI assistant for managing your inbox. It allows for easy unsubscribing, smart inbox organization, and quick replies.

Highlights
  • AI email assistant
  • Offline access
  • Unsubscribe from senders
  • Split inbox by tabs
  • Quick swipe actions
  • Scheduled sending
  • Undo send
Features
Read full description

Inbox Zero is a fast, native email app for Gmail and Outlook, with an AI assistant built in. FAST, EVEN OFFLINE Your mail is stored on your iPhone, so your inbox opens instantly and stays usable without a connection. Changes sync in the background. SPLIT INBOX Split your inbox into tabs for the mail you care about. Each tab shows its unread count, so you know where to look first. UNSUBSCRIBE IN SECONDS See who keeps emailing you and choose Keep, Auto-archive or Unsubscribe for each sender, one by one or in bulk. Unsubscribing is free. ASK AI Chat with the Inbox Zero assistant from your inbox or any email. Ask about your mail, or tell it how your email should be handled. NEVER MISS A REPLY Get a notification when an email needs your reply, and tap straight into the conversation. TRIAGE WITHOUT FRICTION Swipe to mark done or read, and jump straight to the next email after you archive. Mark a whole list done at once, and choose your own swipe actions. WRITE AND REPLY Reply inline with attachments, photos and dictation. Drafts show up in your list and open right where you left off. Schedule messages with Send later, and undo a send for 30 seconds. ALL YOUR ACCOUNTS Connect several Gmail and Outlook accounts and read them together or one at a time. BUILT FOR IPHONE A Liquid Glass design, emails that stay readable in dark mode, and remote images loaded through a privacy proxy. Inbox Zero requires a paid subscription. New users receive a 7-day free trial. Monthly and annual plans renew automatically unless canceled at least 24 hours before the end of the current billing period. Manage or cancel your subscription in your Apple ID account settings. Privacy Policy: https://www.getinboxzero.com/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

BoxBee Ai Mailbox

Features
Read full description

BoxBee is the AI-powered mail client for professionals. It connects all your IMAP/SMTP accounts in one inbox and uses AI to help you read, reply and stay on top of everything โ€” in your language. BoxBee's AI features (TLDR summaries, drafted replies, AI chat, daily brief and follow-ups) require a paid auto-renewable subscription, free for the first 7 days. Connecting your mailboxes, reading and sending mail are included. WHAT BOXBEE DOES (AI features require a subscription) โ€ข TLDR in one click โ€” understand any email in 20 seconds: summary, bullet points, deadline and the recommended action. โ€ข Drafts in your language โ€” replies written in exactly the language the mail came in, with the right tone and formality. โ€ข AI chat for your inbox โ€” ask anything about your recent mail and get instant answers. โ€ข Daily brief โ€” every morning a summary of what matters, what's waiting and what to tackle first. โ€ข Never miss a follow-up โ€” emails you sent that got no reply resurface automatically, with a one-tap follow-up. โ€ข Smart dashboard โ€” new mail, awaiting replies, open to-dos and today's events at a glance. โ€ข To-dos extracted from your emails, with deadlines. โ€ข Calendar โ€” see your events and create new ones straight from BoxBee. โ€ข Contacts โ€” everyone you write with, in one place. โ€ข BeeCrypted โ€” passwordless end-to-end encrypted messages between BoxBee users. The recipient just needs BoxBee. โ€ข Multi-account โ€” Gmail, iCloud, Outlook, GMX, Web.de, Yahoo and any IMAP/SMTP server. โ€ข Native and trilingual โ€” English, German and French. The AI always answers in the context language. PRIVATE BY DESIGN Your mailbox passwords are stored in your iPhone's Keychain. No tracking, no ads. SUBSCRIPTIONS BoxBee's AI features require a paid subscription. Start with a 7-day free trial, then choose a plan: โ€ข Starter โ€” โ‚ฌ4.99/month โ€ข Pro โ€” โ‚ฌ9.99/month โ€ข Unlimited โ€” โ‚ฌ19.99/month Yearly plans are also available (save ~18%). Prices may vary by region and are shown in the app before purchase. Payment is charged to your Apple ID at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Any unused portion of the free trial is forfeited when you purchase a subscription. Terms of Use (EULA): https://boxbee.co/terms Privacy Policy: https://boxbee.co/privacy

Screenshots

Inbox Zero4 screens
BoxBee Ai Mailbox4 screens

Verdict

The call

Inbox Zero and BoxBee Ai Mailbox are too close to call on the numbers: across 6 compared parameters โ€” price, update cadence, ads and in-app purchases among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Inbox Zero sells 2 in-app purchases, starting at $19.99 per month and BoxBee Ai Mailbox sells 6 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Inbox Zero ships an update weekly, BoxBee Ai Mailbox every 4 days. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

ScorecardNo meaningful differences
Inbox Zero versus BoxBee Ai Mailbox: the parameters behind the verdict, then further details
ParameterInbox ZeroBoxBee Ai Mailbox
PriceFreeFree
Update frequencyWeeklyEvery 4 days โ€” better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionโ€”
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.017.0 โ€” better
Further details โ€” not scored
Size35 MB3 MB
Age rating4+4+
DeveloperInbox Zero Inc.Noe Nei

In-app purchases

2 purchases

Inbox Zero

Subscriptions2
  • Inbox Zero Starter Monthly$19.991 Month
  • Inbox Zero Starter Annual$199.991 Year
6 purchases

BoxBee Ai Mailbox

Subscriptions6
  • Starter (Monthly)7 Days trial$3.991 Month
  • Pro (Monthly)7 Days trial$8.991 Month
  • Unlimited (Monthly)7 Days trial$17.991 Month
Show 3 more
  • Starter (Yearly)$44.991 Year
  • Pro (Yearly)7 Days trial$89.991 Year
  • Unlimited (Yearly)7 Days trial$179.001 Year

Questions

Is Inbox Zero free?
Inbox Zero is free to download, with in-app purchases available.
Is BoxBee Ai Mailbox free?
BoxBee Ai Mailbox is free to download, with in-app purchases available.
Do Inbox Zero or BoxBee Ai Mailbox have ads?
Neither Inbox Zero nor BoxBee Ai Mailbox shows ads.
Which is updated more often, Inbox Zero or BoxBee Ai Mailbox?
Inbox Zero ships an update weekly, and BoxBee Ai Mailbox every 4 days. Most recently, Inbox Zero was updated on October 31, 2026 and BoxBee Ai Mailbox on October 25, 2026.

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