Calculate network, host, and broadcast addresses with a dedicated keypad. Supports classful and classless modes, with pickers for subnet mask and prefix length. Includes special-purpose address information based on RFC standards.





123+ iOS apps & games curated and reviewed
Finding the right takahiro furuya apps and games can be overwhelming with so many options. We've analyzed 123+ apps and games to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 4.7★ (141) | Yes | No | Jul 2026 | |
| 2 | Free | 4.6★ (31) | Yes | Yes | May 2026 | |
| 3 | Free | 5.0★ (1) | Yes | Yes | May 2026 | |
| 4 | $1.99 | 4.7★ (30) | No | No | Jun 2026 | |
| 5 | Free | — | Yes | Yes | May 2026 | |
| 6 | Free | 4.5★ (394) | Yes | Yes | May 2026 | |
| 7 | Free | 4.5★ (671) | Yes | Yes | Jun 2026 | |
| 8 | Free | 4.8★ (2.7K) | Yes | Yes | Jul 2026 |





Calculate network, host, and broadcast addresses with a dedicated keypad. Supports classful and classless modes, with pickers for subnet mask and prefix length. Includes special-purpose address information based on RFC standards.


This app provides a quick way to calculate subnet masks and host addresses. It features a keypad for CIDR notation and allows for manipulation of keys via swipe gestures, functioning like a slider. It can also be used to determine wildcard masks and the number of addresses.

Easily convert subnet masks between decimal, binary, and CIDR notation. Quickly see the number of available host addresses for any given mask. Input masks using a picker, slider, or prefix length buttons.


This application simplifies network calculations with a dedicated keypad and intuitive pickers for subnet masks and prefix lengths. It calculates essential network addresses and offers features like clipboard copying and binary digit viewing for enhanced usability.


This application assists with subnet design by generating lists of networks and subnets. It displays key information such as the number of networks and host addresses, and identifies special subnet characteristics with icons.


Immerse yourself in a vast collection of voice recordings from popular voice actors, designed to be experienced with headphones for maximum impact. Explore over 4000 unique audio scenarios featuring various character archetypes and enjoy the free content offered.


Step into a magical Wonderland and become the next Alice. Navigate a conflict between royal armies and discover romance with one of 14 charming characters. Enjoy an interactive novel with stunning illustrations, voice acting, and customizable avatars.


Experience the officially licensed mobile football game based on the "Captain Tsubasa" IP. Control iconic characters, perform breathtaking moves, and relive classic storylines in intense 3D battles. Choose between strategic formations or real-time action to lead your team to victory.


Easily add ruby characters (furigana) to Japanese text. This app supports both hiragana and romaji annotations for kanji, and works with both vertical and horizontal layouts. Share or print your annotated text, or use the extension to add furigana directly within other apps like Safari.


Instantly see Japanese readings above kanji in real-time with a live camera overlay. Freeze frames to inspect words, break them down character by character, and access detailed dictionary entries with definitions and example sentences. Ideal for learners seeking a practical reading aid.


Practice writing Japanese hiragana and katakana characters through a fun game. Improve your stroke order and accuracy by competing against a virtual opponent.


Connect with new people nearby through real-time chat and a GPS map. Find friends with similar interests via a dedicated bulletin board or discover users in your vicinity. Recruit new connections by showcasing your profile.


Access comprehensive JRA horse racing data and expert predictions for all races. Manage extensive race information and analysis, delivering faster and more accurate insights than traditional media. Features include race cards, odds, past performance, special insider tips, and a fan forum.


This browser extension displays furigana, Japanese phonetic guides, directly on webpages. It offers a free trial period for users to experience its functionality. All processing is done locally on your device for enhanced privacy.


Easily add furigana reading aids to Japanese PDF documents. This app automatically annotates Kanji characters and allows customization to match your PDF's layout. You can also scan paper documents and add furigana, with all processing done offline for privacy.


Learn Japanese vocabulary with trusted content created by a native teacher. Features include native audio pronunciation, offline access, and a handwriting-style font for easier character recognition. Ideal for textbook learners and JLPT N5-N2 levels.


Solve intricate riddles and puzzles to break free from a castle guarded by a dragon. This free escape game offers a challenging adventure for players who enjoy brain teasers and immersive environments.


This app uses your device's camera to add furigana (pronunciation guides) and romanized characters to Japanese text in photos. It supports both vertical and horizontal layouts, with adjustable font sizes and a dark mode option for comfortable reading.


Observe and identify over 100 Japanese bird species in a relaxing game. Tap birds to fill your field guide with robins, flycatchers, and even alien species. Enjoy simple gameplay with no complicated actions required.


Record and organize a vast library of sound effects. Play sounds based on your gestures, creating a personalized audio experience. Access a diverse collection of over 350 sound effects.