MailCat vs Magical Finder
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
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■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
Magical Finder
Easily locate and configure I-O DATA network devices like NAS, routers, and cameras on your local network. Access device settings and modify network parameters, including IPv6 settings, for supported devices.
- Find network devices
- Access device setting websites
- Change network settings
- Support IPv6 network settings
- Compatible with I-O DATA devices
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"Magical Finder" is an application that easily finds and sets network devices such as I-O DATA NAS, router, access point and network camera connected to the same local area network. Before you use the Magial Finder, you need to connect your iPhone, iPad or iPod to the router or the access point by Wi-Fi. ・Find network devices Magical Finder searches the network to which the iPhone or iPad that launched this application is connected and can find I-O DATA devices connected to the same network. Findable devices, see below. ・Open setting website ※ You can access the setting website of the found device. ・Change network setting ※ You can change the network parametors of the found device such as IP address, DHCP ON/OFF, subnet mask, default gateway and so on. ・Support IPv6 network setting ※ You can change the IPv6 network parametors of the found device too. ※ Available functions and changeable network parametors of Magical Finder depend on the selected device and its state. Please check product manual and support library of I-O DATA website for details. ・Findable devices by Magical Finder Please check the I-O DATA product manual to see if your device is findable. The following devices are representative findable devices of each category. ==== LAN DISK ==== HDL-TA series, HDL-T series, HLS-PG series, HVL-S series HDL-AA series, HDL-AAW series HDL-H series, HDL-X series HDL-Z19SCA series, HDL-Z19WCA series HDL-ZWQD series, HDL-ZWPD series, HDL-ZWPI series ※ Please use the latest firmware. ==== Router ==== I-O DATA Router (except WN-APG/R, WN-WAPG/R and WN-WAG/R.) ==== Access point, Ethernet converter ==== I-O DATA access point & ethernet converter (except WN-APG/A, WN-AG/A, WN-AG/C, WN-WAPG/A, WN-WAG/A and WN-WAG/C.) ==== switch ==== I-O DATA switch BSH series ==== VPN BOX ==== I-O DATA BOX device BX-VP1 series ==== Network camera ==== TS-WLCAM, TS-WLCAM/V, TS-WPTCAM, TS-PTCAM TS-PTCAM/POE, TS-WLC2, TS-WLCE ==== Network Audio Server ==== HFAS1 series, HFAS1-X series HDL-RAHF series, RAHF-S series
Screenshots
Verdict
The clearest difference is price: Magical Finder at Free against MailCat's $3.99. Magical Finder also leads on rating (5.0 vs 1.0) and review sentiment (15% vs 0%). MailCat's advantage is update cadence (every 4 months vs every 9 months). On ratings volume, ads, in-app purchases 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
Magical Finder is free to download; MailCat costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Magical Finder holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of MailCat's written reviews are positive against 15% of Magical Finder's.
MailCat ships an update every 4 months, Magical Finder every 9 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | MailCat | Magical Finder |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 15.0% of reviews — better |
| Number of ratings | 1 | 1 |
| Update frequency | Every 4 months — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 4 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Seimitsusakufu LLC | I-O DATA, INC. |
Customer experience
MailCat
Magical Finder
In-app purchases
MailCat
No in-app purchases
Magical Finder
No in-app purchases









