Chuck vs Zero Inbox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chuck
This app helps you declutter your inbox by quickly processing thousands of emails. It uses on-device AI to intelligently group and suggest emails for deletion, archiving, or unsubscribing, all while keeping your data private. It functions as a full email client, allowing you to read, reply, and compose messages across all your connected accounts.
- On-device AI for private email analysis
- Batch delete, archive, and unsubscribe
- Unified inbox for multiple accounts
- AI-powered suggestions for cleanup
- Full email client functionality
- Smart notifications for important emails
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Chuck is email with superpowers. Clean up thousands of emails in seconds. Swipe through batches, bulk delete, archive, and unsubscribe — all processed privately on your device. Unlike other email apps, Chuck never reads your email content. Our on-device AI analyzes only metadata (senders, subjects, timestamps) to intelligently group and suggest what to clean up. Your emails stay on your phone, never on our servers. ALL YOUR ACCOUNTS IN ONE PLACE Connect Gmail, Outlook, Yahoo, iCloud, AOL, Microsoft 365, Fastmail, and any standard IMAP account. See all your inboxes in one unified view and clean them all at once. AI-POWERED BATCH PROCESSING • Swipe left or right to delete or archive hundreds of emails at once • AI Select suggests messages you can safely remove, trained privately on your device • Group by Sender, Subject, or Time to find and act on email in bulk • Filter by contact, attachments, starred, unread, and more UNSUBSCRIBE & DECLUTTER • Unsubscribe from mailing lists with one tap • Mark as Spam, Snooze, or Move to folders and labels • Star, flag, and organize across all your accounts FULL EMAIL CLIENT Chuck isn't just a cleanup tool — it's your everyday email app. Read, reply, compose, and manage email across all your accounts with a clean, fast interface. Use it alongside Apple Mail or as your primary client. SMART NOTIFICATIONS Get notified about the emails that matter. Chuck learns your priorities and filters out the noise, so you only see what's important. FREE & PRO Use Chuck free with a generous daily email cleanup quota. Upgrade to Chuck Pro for unlimited processing, multiple accounts, AI filters, advanced sorting, custom signatures, and more. If you're enjoying Chuck, please leave a review — it really helps! A big thank you to everyone who has left a five star review :) About Subscription billing: • If you choose to upgrade (optional), your iTunes account will be charged as soon as you confirm the purchase. Chuck Pro subscription is billed monthly or yearly. • Your subscription will automatically renew after 1 month or 1 year, unless auto-renew is turned off at least 24-hours before the end of the current subscription period. • You can manage your subscription and turn-off auto-renewal by going to your Apple ID Account Settings any time after purchase. • Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription. Help/Questions? Email us at support@chuck.email Privacy Policy: https://chuck.email/privacy Terms of Use: https://chuck.email/terms
Zero Inbox
This email application streamlines inbox management with customizable multi-action swipe gestures. Effortlessly process emails by assigning multiple tasks to a single swipe, such as archiving, trashing, or sending to a to-do list. Enjoy a fast and intuitive email experience.
- Multi-action swipe gestures
- Customizable swipe actions
- Fast loading speed
- Integration with Todoist
- Smart avatar loading
- Dark mode
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Zero Inbox is an email app designed for zeroing your inbox via enjoyable swipe actions. Unlike traditional email's swipe action can only allow one action per swipe, we provide multi-action swipe for each direction, empower you to process your email effortlessly on daily basis. For example, for swiping right, you can choose - Swipe right-down-right to push the email to Todoist - Swipe straight right to archive - Swipe right-up-right to trash We also worked hard to make the app to provide blazing fast loading speed. There are more awesome features to come in the following updates: - Customizable swipe actions - In mail swipe action (like Tinder but for email) - Multi-step swipe (one swipe can do many things like Mark read + Archive + push to Todoist) - Smart avatar (load sender's avatar from known email list or public avatar database) - Dark mode
Screenshots
Verdict
The clearest difference is rating: Chuck at 4.8 against Zero Inbox's 3.7. Chuck also leads on ratings volume (15K vs 3) and update cadence (weekly vs every 3 weeks). Zero Inbox's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price 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
Both are free to download. Chuck sells 10 in-app purchases, starting at $3.99 per month. Zero Inbox asks for nothing beyond the download.
Chuck holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: Chuck has 15K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 58% of Chuck's written reviews are positive against 50% of Zero Inbox's.
Chuck ships an update weekly, Zero Inbox every 3 weeks. The most recent releases landed on November 8, 2026 and November 2, 2026 respectively.
| Parameter | Chuck | Zero Inbox |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (15K ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 58.4% of reviews — better | 50.0% of reviews |
| Number of ratings | 15K — better | 3 |
| Update frequency | Weekly — better | Every 3 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 95 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | 410 Labs | Launch Platform LLC |
Customer experience
Chuck
Zero Inbox
Bugs and requests
Chuck
Reported bugs
3 issues- Inability to connect to certain email providers
- Emails disappearing or not properly deleted
- Inconsistent behavior when managing multiple accounts
Requested features
5 requests- Ability to view and manage email folders
- Customizable email sorting and filtering options
- Improved search and retrieval of past emails
- Drafts and email composition capabilities
- Syncing and backup across devices
Zero Inbox
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Chuck
- Chuck Pro (Monthly)7 Days trial$3.991 Month
- Chuck Pro Monthly7 Days trial$4.991 Month
- Chuck Pro (Monthly)$5.991 Month
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- Chuck Pro Monthly$6.991 Month
- Chuck Pro (Monthly)$8.991 Month
- Chuck Pro (Annual)7 Days trial$39.991 Year
- Chuck Pro Annual7 Days trial$49.991 Year
- Chuck Pro Annual7 Days trial$59.991 Year
- Chuck Pro Yearly$69.991 Year
- Chuck Pro (Yearly)$89.991 Year
Zero Inbox
No in-app purchases









