SMSCat vs DoBuff
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SMSCat
This app uses advanced AI to automatically identify and block spam text messages. It classifies incoming SMS into categories like normal, promotional, and transactional, offering real-time protection both online and offline. Users can customize filtering rules and block all messages with a single tap.
- AI intelligent interception
- Automatic SMS classification
- Real-time online protection
- Offline intelligent filtering
- Customizable filtering settings
- Block all SMS
- Privacy focused local filtering
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Smart interception is enabled with one click! SMSCat uses advanced intelligent AI algorithms to keep you away from spam text messages. - AI intelligent interception, one-click activation No need to set complicated rules, one-click activation of intelligent filtering. Using artificial intelligence algorithms, SMSCat can accurately identify and block spam messages. - Automatic SMS classification Intelligent automatic classification according to the content of SMS: normal messages, spam messages, promotional messages, and transaction messages. - Real-time online protection Real-time check of new SMS messages to ensure that spam messages are immediately blocked, cloud-local dual accurate filtering, so that you are always protected. - Offline intelligent filtering Local filtering calculation works locally throughout the process, and accurate filtering of spam messages can be achieved without the need for a network. - Intelligent filtering classification settings Intelligent control of interception classification, while supporting keyword and number filtering rule combinations, creating your own world of rules. - Block all SMS If you encounter SMS bombardment, you can block all SMS with one click or enable the function of blocking SMS verification codes. - Privacy first Your privacy is very important to us. Turn on local intelligent filtering to ensure the security of your information. - Feedback SMS Copy the SMS and click "AI Recognition" to feedback the SMS content. SMSCat will be smarter after learning. - Feedback and suggestions Open the APP "About" to report the problems you encounter, and we will deal with them as soon as possible. - Contact us hi@byat.cn - If you think it's good, remember to give it a 5-star rating and share it with your friends. - User Agreement https://gnw6h33mdr.feishu.cn/docx/ZKmId9O6forKcExUBumcqWzdn1c
DoBuff
Enhance your reminders and calendar with powerful tools for time management, progress tracking, and goal setting. Visualize your tasks on a timeline, create unique weekly and yearly plans, and utilize focus timers with progress bars. Gain insights with trend statistics and countdowns.
- Timeline view for tasks
- Weekly, monthly, and yearly planning
- Focus timer with progress bar
- Trend statistics and heatmaps
- Countdown timers
- Calendar integration
- Widgets
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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
The clearest difference is review sentiment: DoBuff at 100% against SMSCat's 33%. DoBuff also leads on rating (4.8 vs 4.4). On price, ratings volume, update cadence 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. SMSCat sells 6 in-app purchases, starting at $0.99 per month 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.
DoBuff holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 34 and 39 respectively. Written reviews point the same way: 33% of SMSCat's written reviews are positive against 100% of DoBuff's.
SMSCat ships an update every 8 days, DoBuff weekly. The most recent releases landed on October 21, 2026 and October 6, 2026 respectively.
| Parameter | SMSCat | DoBuff |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (34 ratings) | 4.8 (39 ratings) — better |
| Positive reviews | 33.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 34 | 39 — better |
| Update frequency | Every 8 days | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, Apple Watch — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 44 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | 瑞青 邓 | 宇 李 |
Customer experience
SMSCat
DoBuff
In-app purchases
SMSCat
- Monthly Member$0.991 Month
- Quarterly Membership$0.993 Months
- Weekly Member$0.997 Days
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- Annual Member$2.991 Year
- Semi-annual membership$2.996 Months
- Lifetime Member$9.99
DoBuff
- 月会员$0.991 Month
- 年会员$2.991 Year
- 永久会员$6.99









