MessageCat vs D
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MessageCat
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! MessageCat 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, MessageCat 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. MessageCat 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
D
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D-Zone是一款去中心化的手機端數據加密及安全通訊應用,免註冊認證,必須配合專屬藍牙硬體 D-Key 使用,以 D-key ID 為唯一身份標識,所有數據採用硬體加密策略,本地與雲端均不明文存儲,最大限度保障用戶隱私安全,其主要提供如下三位一體安全能力: • 安全區:本地隱私檔加密存儲與分享 • 雲空間:安全區檔加密雲端備份/還原 • 雲交互:硬體級加密文字/檔/語音消息聊天
Screenshots
Verdict
The clearest difference is in-app purchases: D at none against MessageCat's 6. D also leads on iOS requirement (15.6 vs 17.0). MessageCat's advantage is update cadence (every 9 days vs monthly). On price, ads 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. MessageCat sells 6 in-app purchases, starting at $0.99 per month. D asks for nothing beyond the download.
MessageCat ships an update every 9 days, D monthly. The most recent releases landed on September 17, 2026 and July 3, 2026 respectively.
| Parameter | MessageCat | D |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (30 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 30 — better | — |
| Update frequency | Every 9 days — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 43 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | 瑞青 邓 | ONLYOWNER TECHNOLOGY LIMITED |
In-app purchases
MessageCat
- 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
D
No in-app purchases









