MailCat vs AD Cleaner for ad blocking
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MailCat
This app helps organize your inbox by automatically categorizing emails using machine learning and custom rules. It can filter spam and move messages to designated mailboxes, supporting IMAP accounts.
- Machine learning spam filtering
- Rule-based email categorization
- IMAP account support
- Move emails to specified mailboxes
- Blacklist and spam learning data
- Multiple account switching
Read full descriptionHide full description
■MailCat is a Mail Categorizer: MailCat is a Mail Categorization App. MailCat has two kinds of categorization method --- a machine learning categorization and a rule based categorization. MailCat can filter out spams from the incoming mail messages by the machine learning categorizer, and move mail messages to the specified mailbox by rules. MailCat has no mail sending facility and has only support for IMAP. POP/SMS/MMS are not supported. ■How to connect to an IMAP mail server: To connect an IMAP mail server, just specify your full email address as your login name(username) and the password you log in to your account. If you don't know your login name/password, contact an organization or personnel in charge of the IMAP mail server to get a hostname, user id(name), password. ■Basic operation: * Pull down to Refresh/Long Press to reload&spam filtering * Push up to download older mails at the bottom of message lists *Tap/Swipe to switch accounts Tapping/Swiping the navigation bar of the Mailbox list switches the account if multiple accounts are available. * Tap/Swipe to move around mailboxes (among 'Quick View List') * Move/Delete/Mark mail messages by the toolbar on the navigation bar * Tap/Swipe the navigation bar to turn over mail messages * Add a mail to the blacklist/spam learning data by swiping *Tap a Tab bar to switch the rule view. There are 4 views to show the rules for ‘Sender’, ’Subject’, ‘Message’, ‘Compound’. ■Spam filtering: MailCat generates a spam filter by learning from spam and ham messages in INBOX. Just follow the steps, you can have your own spam filter. 1. Tap 'Edit' button in Monitor. 2. Pick up several mail messages by tapping each table cell. 3. Tap "SPAM" button on the command bar. 4. Likewise pick up mails, and "HAM" button on the command bar. 5. "Pull down to Refresh" or "Long press on the navigation bar" triggers Machine learning, then a spam filter will be generated. 6. Repeat the steps(1-5) until the number of spams and hams reaches about 16. 7. After learning 16 spams and 16 hams, MailCat starts judging which mail is spam or not. 8. Check the filtering result on Monitor. 9. Correct errors and 'Pull down to Refresh" or "Long press( 2sec) on the navigation bar", re-learning starts and your spam filter gets smarter. Repeat the steps(8-9) until no errors are found. ■Mail Rules: There are 4 conditional fields for mail rules --- sender, subject, message, compound. Mail rules are only applied for 'INBOX'. To edit or create a mail rule, tap 'Edit' button on the Mailbox list. The selection menu appears, choose 'Rule'. Mail rules for ‘Sender’ will appear. Tap a Tab bar to switch a view . ■Other usage: Please visit support page. http://www.seimitsusakufu.com/iOS/mailapps/en/support.html ■Support: To get a further support , contact through the following mail address. support_seimitsu@jcom.home.ne.jp
AD Cleaner for ad blocking
This utility app blocks unwanted content and advertisements across your mobile browsing experience. It offers a dedicated browser and Safari content blocking to save data and improve viewing comfort. Enjoy a cleaner internet with easy-to-use features and reliable Japanese support.
- Blocks unwanted content and ads
- Dedicated ADC Browser for smooth browsing
- Content blocking within Safari
- Original media player for YouTube
- Simple ON-OFF operation
- Japanese language support
Read full descriptionHide full description
Ad blocker application “AD Cleaner” is an application that removes unnecessary contents to save communication volume and time consumed. ■Recommended points Simple and easy to use No troublesome operations or settings are required. You can block unwanted content with just the ON-OFF operation of a button. Block content in Safari You can block unwanted content displayed on Safari browser on iOS to save the amount of traffic. Purely made in Japan All planning, development, and inquiries are handled in Japan. Main Features Comfortable Internet environment with ADC Browser Using the ADC Browser, a dedicated browser, you can enjoy a smooth Internet experience while blocking advertisements. Content blocking in Safari Hides unwanted content on news and information sites browsed using Safari on iPhome/iPad. Comfortable viewing of YouTube with the original media player With the original media player function, you can enjoy your favorite video works in a comfortable and stress-free environment. Easy-to-use” and ‘easy-to-understand’ design Frequently used functions are displayed in four blocks for easy-to-understand operation. Easy-to-understand and detailed explanations Detailed explanations are provided for difficult terms to make it “easy to use” and “easy to understand” even for first-time users. Reliable Japanese-language support If you have any problems, such as not knowing how to use the system, you can rely on our extensive Japanese-language support. In addition to e-mail support, detailed usage manuals are available in the FAQ section, so you can rest assured that you will be supported when the time comes. Use with “KINGSOFT Mobile Security Plus When used in combination with Kingsoft's security application “KINGSOFT Mobile Security Plus”, you can block dangerous phishing sites at the same time. Purchase AD Cleaner Monthly (auto-renewal): 300 yen Annual fee (auto-renewal): 3,000 yen By purchasing AD Cleaner, you can effectively block and remove ads on your smartphone device. Your license will be automatically renewed and charged to your Apple account until you cancel your subscription. Subscription renewals are automatic, and your subscription will be automatically renewed unless you cancel at least 24 hours before the expiration date. -- AD Cleaner AD Cleaner Product Site https://www.kingsoft.jp/adcleaner/ Support https://support.kingsoft.jp/chat Terms of Use https://www.kingsoft.jp/adcleaner/eula/ Privacy Policy https://www.kingsoft.jp/protection/ Translated with DeepL.com (free version)
Screenshots
Verdict
The clearest difference is price: AD Cleaner for ad blocking at Free against MailCat's $3.99. AD Cleaner for ad blocking also leads on update cadence (fortnightly vs every 4 months) and review sentiment (16% vs 0%). MailCat's advantage is in-app purchases (none vs 2). On 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
AD Cleaner for ad blocking is free to download; MailCat costs $3.99 up front. AD Cleaner for ad blocking sells 2 in-app purchases, starting at $2.49 per month. MailCat asks for nothing beyond the download.
MailCat ships an update every 4 months, AD Cleaner for ad blocking fortnightly. The most recent releases landed on June 5, 2026 and September 21, 2026 respectively.
| Parameter | MailCat | AD Cleaner for ad blocking |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | 16.0% of reviews — better |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 218 MB |
| Age rating | 4+ | 4+ |
| Developer | Seimitsusakufu LLC | KINGSOFT Japan Inc. |
Customer experience
MailCat
AD Cleaner for ad blocking
In-app purchases
MailCat
No in-app purchases
AD Cleaner for ad blocking
- 1ヶ月会員14 Days trial$2.491 Month
- 1年会員14 Days trial$26.491 Year







