Zip Opener vs DoBuff
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zip Opener
Easily open password-protected ZIP and RAR files, extract 7Z archives, and create your own password-protected ZIP files. Preview documents, images, and media, then manage and share your extracted content.
- Open password-protected ZIP and RAR files
- Extract 7Z archives
- Create password-protected ZIP files
- Preview documents, images, and media
- Organize, manage, and share extracted files
- Import files from iOS Files app
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Open password-protected ZIP and RAR files on your iPhone. With Zip Opener, enter the password, extract your files, and view or share what’s inside. Whether you’ve received an encrypted attachment or downloaded a compressed archive, Zip Opener helps you open ZIP, RAR, and 7Z files and manage the extracted contents. OPEN PASSWORD-PROTECTED ARCHIVES • Extract password-protected ZIP files. • Open password-protected RAR files. • Enter the password provided by the sender to extract the contents. • Preview and share your extracted files. EXTRACT ZIP, RAR & 7Z • Open ZIP and RAR archives with or without a password. • Extract 7Z archives. • Keep extracted files organized in folders. CREATE ZIP FILES WITH A PASSWORD • Combine files and folders into a ZIP archive. • Set a password when creating a ZIP file. • Create ZIP files with or without password protection. • Share your archives with other apps. PREVIEW & MANAGE FILES • Preview documents, including PDFs, text files, and Office documents. • Browse images and play supported audio and video files. • Create folders to organize your files. • Search, rename, move, delete, and share files. IMPORT & SHARE • Import files from the iOS Files app. • Open files shared from other apps. • Import photos and videos from your photo library. • Save and share files using iOS sharing options. IN-APP PURCHASES Some features are available through auto-renewable subscriptions. Please check the exact pricing in the app for your region. Payment will be charged to your iTunes account upon confirmation of purchase. The subscription will automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged within 24 hours prior to the end of the current period. You can manage your subscriptions and turn off auto-renewal by going to your account settings after purchase. Privacy Policy: https://getzipopener.com/privacy Terms of Use: https://getzipopener.com/terms End User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula
DoBuff
Enhance your Reminders and Calendar with advanced time management, progress tracking, and goal setting. Visualize tasks on a timeline, utilize unique planning views, and gain insights with trend analytics. Integrates with Health data for comprehensive energy and focus management.
- Timeline task and event display
- Weekly, monthly, yearly planning views
- Dual tag systems
- Focus timers and progress bars
- Trend analytics and heatmaps
- Calendar event integration
- Health and sleep data integration
- Widgets for various tracking needs
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“DoBuff” is primarily built around Reminders and Calendar, providing core features such as time management, progress tracking, goal management, and more. “DoBuff” is designed to enhance Reminders and Calendar with a range of powerful additional features, helping you use them more effectively. “DoBuff” started as a collection of tools I built for my own use with Reminders and Calendar. It was developed around my personal needs and is now available for anyone with similar needs. If you are also a Reminders or Calendar user like me, “DoBuff” may be a great fit for you. Core features and goals (supported for both Reminders and Calendar events): 1. Display tasks and events on a timeline. 2. Unique weekly, monthly, and yearly planning views. 3. Two separate tag systems that can be used independently or synced with Reminders. 4. Focus timers based on Reminders for better time management. 5. Progress bars based on Reminders, with lists serving as progress trackers for goals. 6. Completion and time-spent statistics for Reminders lists. 7. Trend analytics, including tag-based focus time statistics, list tracking, yearly heatmaps, time paths, footprint maps, and more. 8. Countdown support for Reminders. 9. Mark Reminders as abandoned or postponed. 10. Calendar integration, including reading events and writing focus sessions to Calendar. 11. Counting and count tracking. 12. Enhancements available for Reminders are also supported for Calendar events. 13. Export and back up Reminders. 14. Reminder countdowns with support for system alarm countdowns. 15. Note templates for quickly adding notes. 16. Add notes to lists. 17. A range of widgets, including Focus widgets, Calendar widgets, Goal Tracking widgets, Today widgets, and more. 18. Automatic focus timing. 19. Favorites for Reminders and Calendar events. 20. Enhanced global search. 21. Apple Watch version. 22. Turn Reminders into anniversary reminders. 23. Pomodoro focus timer support. 24. Health and sleep data integration, including automatic sleep focus tracking. 25. Energy and focus management. 26. Energy level management. 27. Daily, weekly, monthly, and yearly records and summaries. 28. Daily mood tracking. 29. List migration. And several other feature enhancements. For Calendar events, DoBuff also provides workflow-based event management, such as marking events as completed or abandoned. These are only some of the features currently available in “DoBuff”. More features are being organized and will be released gradually. *Membership Subscription: Subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current subscription period. Your account will be charged for renewal within 24 hours prior to the end of the current period, and the renewal price will be confirmed at that time. Subscriptions can be managed by the user. Auto-renewal can be turned off after purchase by going to the user’s App Store account settings. 【Feedback & Support】 If you have any questions or issues while using the app, please contact us at: liyubelief@iCloud.com Terms of Use: https://docs.qq.com/doc/DSFZOeURmQk1McGVu Privacy Policy: https://docs.qq.com/doc/DSFBQSWJwcERmRUhB
Screenshots
Verdict
Zip Opener and DoBuff both sit at 4.7 stars, but that hides the real split: 100% of DoBuff's written reviews are positive against 75% of Zip Opener's. Zip Opener's advantage is update cadence (every 4 days vs every 2 weeks) and iOS requirement (15.0 vs 17.0). 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. Zip Opener sells 6 in-app purchases, starting at $0.99 per 7 days and DoBuff sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for Zip Opener against 4.8 for DoBuff. Both are backed by a comparable volume of ratings — 20 and 39 respectively. Written reviews are what separate them: 75% of Zip Opener's written reviews are positive against 100% of DoBuff's.
Zip Opener ships an update every 4 days, DoBuff every 2 weeks. Both last shipped on November 8, 2026.
| Parameter | Zip Opener | DoBuff |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (20 ratings) | 4.8 (39 ratings) — better |
| Positive reviews | 75.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 20 | 39 — better |
| Update frequency | Every 4 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPod | iPhone, iPad, Apple Watch — better |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 85 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | 婷婷 潘 | 宇 李 |
Customer experience
Zip Opener
DoBuff
In-app purchases
Zip Opener
- Week3 Days trial$0.997 Days
- Monthly$2.991 Month
- Monthly$3.991 Month
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- Yearly3 Days trial$9.991 Year
- Zip & Rar & Unzip Pro$12.99
- Forever$14.99
DoBuff
- 月会员$0.991 Month
- 年会员$2.991 Year
- 永久会员$9.99









