# ARRcade Apps

> ARRcade (arrcade.dev) is the home of iOS, iPadOS, and macOS apps by Anand Raj R, an independent developer. The apps span education, productivity, language preservation, utilities, travel, and games. All apps are distributed through the Apple App Store as free or one-time-purchase apps — no ads, no data harvesting. Note: ARRcade (arrcade.dev, two R's) is unrelated to Arcade.dev, the AI agent platform.

Contact: anandrajramamoorthy@gmail.com · X/Twitter: @kingofbliss_ · App Store developer page: https://apps.apple.com/developer/anand-raj-r/id514675684

## Mac apps

- [Retag — Batch Music Tag Editor](https://arrcade.dev/apps/retag/): Native Mac batch music tag editor with a spreadsheet grid; edits tags across thousands of files, 19 formats, non-destructive. Free to try, one-time Pro unlock.
- [Unearth — Trustworthy Mac Data Recovery](https://arrcade.dev/apps/unearth/): Recovers deleted files from FAT, exFAT, NTFS, APFS, HFS+, and ext4 drives with a trustworthy preview before restoring. Free, offline, read-only.
- [Even: Folder Sync](https://arrcade.dev/apps/even/): Folder sync for Mac that previews every change before anything moves.
- [Calcbar — Menu Bar Calculator](https://arrcade.dev/apps/calcbar/): Calculator one click away in the Mac menu bar. $4.99 one-time.
- [Summon: Meeting Alerts](https://arrcade.dev/apps/summon/): Full-screen meeting alerts on the screen you're actually working on, with one-click join. $12.99 one-time.

## Music apps

- [Isai: Hi-Res Music Player](https://arrcade.dev/apps/isai/): Music player for people who own their music, on iPhone, iPad, Mac and Android. Featured by App Store Editors in "Great apps on iPhone Duo" (October 2026). Streams straight from MEGA, Dropbox, any WebDAV server (Nextcloud, ownCloud, Synology, pCloud, Koofr) or local files, with nothing transcoded and no server in between; your Apple Music library can sit alongside. Plays FLAC, ALAC, M4A, WAV, AIFF, MP3, AAC, Ogg Vorbis, Opus and DSD (DSF/DFF including DST, as DoP or PCM via a 96-tap FIR). Gapless playback; Signal Path inspector with BIT PERFECT, NATIVE RATE, RESAMPLED and LOSSY SOURCE verdicts (bit-perfect on the Mac, read back from the DAC); ten-band EQ; synced lyrics; A/B loop; album editions; iCloud library sync; Play On (one copy drives another over local Wi-Fi). On iPhone Duo: an immersive artwork-coloured player that carries on from folded to unfolded, and Pure Music Mode (cassette, CD and turntable decks). No accounts, ads or analytics. Free for local files; Isai Pro $9.99 one-time unlocks cloud sources and Play On. "Isai" is Tamil for music. App Store: https://apps.apple.com/us/app/isai-hi-res-music-player/id6808984060 · Google Play: https://play.google.com/store/apps/details?id=arrcade.dev.isai

## Language & culture apps

- [Aksara Bali: Balinese Keyboard](https://arrcade.dev/apps/aksara-bali/): Balinese script keyboard and learning app for iPhone and iPad, with character tracing, spaced repetition and Latin to Aksara transliteration. Free, with a one-time $1.99 Balinese Keyboard unlock.
- [Tamilgram](https://arrcade.dev/apps/tamilgram/): Interactive journey through 2,500 years of Tamil script — all 247 letters, from Tamil-Brahmi to modern forms.

## Education & kids apps

- [Equal, More, or Less](https://arrcade.dev/apps/equal-more-or-less/): Fast number-comparison game with multiplayer. Free.
- [Infinity: Basic Math Questions](https://arrcade.dev/apps/infinity-basic-math-questions/): Speed math challenge with multiplayer. Free.
- [Numbers — Place Value Chart](https://arrcade.dev/apps/numbers-place-value-chart/): Classroom math app for grades K to 6. Colour-coded split-flap cards across 20 modes: whole-number place value and expanded form, decimals, compare, rounding, primes, Roman numerals, add and subtract, multiplication, division, fractions, mixed fractions, percentages, money (USD, GBP, EUR, INR), time, elapsed time, length, weight, water volume, area and temperature, plus a Challenge Mode. Supports ClassKit, so teachers can assign activities in Apple Schoolwork and see student progress; schools can buy licences in volume in Apple School Manager (Apps and Books). Modes line up with Common Core standards such as 2.NBT.A.1, 4.NBT.A.2, 3.OA.C.7, 4.OA.B.4, 4.NF.A.1, 5.NBT.A.3 and 3.MD.C.7. No accounts, ads, analytics, in-app purchases or internet needed; no data collected. $2.99 on the App Store (iPhone, iPad) and Google Play (https://play.google.com/store/apps/details?id=arrcade.dev.numbers), $3.99 on the Amazon Appstore. School enquiries: anandrajramamoorthy@gmail.com.
- [Tiny Streaks — Reward Chart](https://arrcade.dev/apps/tiny-streaks/): Reward chart that helps kids build daily routines with streaks. Free.
- [Story of Us: AI Storyteller](https://arrcade.dev/apps/story-of-us/): Interactive AI storytelling and bedtime story app for iPhone and iPad where you are the hero. Take a photo to create a character (human, or an animal sidekick such as Decky the Duck or Dino the T-Rex), choose a genre, mood, location, reading level and one of three opening lines, and Apple Intelligence writes the story on the device while Image Playground illustrates your characters in each scene (3D Animation, 2D Illustration or Sketch). At the end of every chapter you choose what happens next. Stories are saved in a personal library with a page-turning book reader, sync through iCloud and export as PDF books. Stories in 9 languages: English, French, German, Italian, Japanese, Korean, Portuguese (Brazil), Spanish and Chinese (Simplified). Built on Apple's on-device Foundation Models: no internet needed to write stories, no data collected, no account, no ads, no tracking. Rated 4+. Requires iOS 26 or later on an iPhone or iPad that supports Apple Intelligence and Image Playground; also supports iPhone Duo. $4.99 one-time purchase, no subscription, no in-app purchases. The page has an interactive story demo. Available on the App Store (https://apps.apple.com/app/story-of-us-ai-storyteller/id549422615).

## Everyday tools & games

- [Dayshift: Team Time Zones](https://arrcade.dev/apps/dayshift/): Team time zone tracker and meeting planner for iPhone, iPad, Mac and Apple Vision Pro — a live roster of every teammate's local clock and duty state (on duty, fringe, asleep, vacation), a per-project shared-hours map that finds the golden window where the whole crew overlaps, and a planner that scores candidate meeting times for fairness across everyone's clock before writing the chosen slot to the calendar. On-device Apple Intelligence drafts the meeting brief, with a deterministic fallback. No account, no ARRcade server; the roster syncs through your own private iCloud. Free to download with a one-time Dayshift Pro unlock ($2.99). Available on the App Store (https://apps.apple.com/app/dayshift-team-time-zones/id6804678990).
- [Memento: Days Countdown Widget](https://arrcade.dev/apps/ready-set-go/): The OG countdown app for iPhone and iPad. Full-screen photo countdowns, an Apple Music song for every event, notes, to-dos and links, and home screen widgets in a range of themes. Free, with a one-time $2.99 Pro upgrade. Available on the App Store (https://apps.apple.com/app/memento-days-countdown-widget/id677853493).
- [Up in the Air: Flight Journal](https://arrcade.dev/apps/up-in-the-air/): Flight journal that maps window-seat memories. Free.
- [Map My Food: Food Journal](https://arrcade.dev/apps/map-my-food/): Food journal and restaurant map for iPhone and iPad that remembers dishes, not just restaurants. Log each great dish with a photo, star rating, notes, calories and custom tags (mood, cuisine, style), pin it to the exact place you ate it, then find it again on a map of photo pins, by place, by tag or by search, with directions back. A dice button picks a random favorite when you can't decide. iCloud sync between iPhone and iPad, Apple Watch companion with nearby favorites. Private by design: no tracking, no servers; data stays on the device and in the user's private iCloud, and ARRcade has no access to it. $2.99 one-time purchase, no subscription. Available on the App Store (https://apps.apple.com/in/app/map-my-food/id1664999484).
- [(nothing) To Do: Eisenhower Matrix To-Do List](https://arrcade.dev/apps/nothing-to-do/): Eisenhower Matrix to-do list app for iPhone, iPad and Apple Watch. It asks two questions about every task (is it urgent? is it important?) and puts it in one of four quadrants: Do (urgent and important), Schedule (important, not urgent), Delegate (urgent, not important) or Delete (neither). Projects, search, interactive Home Screen widgets (including an extra-large portrait widget), an Apple Watch app with quadrant counts, quick add and mark done, iCloud sync across iPhone, iPad and Apple Watch, iPad multi-window, an unfolded four-quadrant view on iPhone Duo, and Dark Mode. Private by design: no data collection, no tracking, no account; tasks stay on the device and in the user's own iCloud. Requires iOS 18 or later; English and Simplified Chinese. Version 1.6 (October 2026). $3.99 one-time purchase, no subscription, no in-app purchases. The page has an interactive Eisenhower Matrix demo. Available on the App Store (https://apps.apple.com/app/nothing-to-do/id6748456831).
- [Habit: 21 day routine](https://arrcade.dev/apps/habit-21-day-routine/): Habit builder based on 21-day routines.
- [GIT: Guess In Ten](https://arrcade.dev/apps/git/): Deduction game — ask ten yes-or-no questions to uncover the answer. Free.
- [Hantu Line](https://arrcade.dev/apps/hantu-line/): Turn-based hidden-movement strategy game on the Singapore MRT — a Scotland Yard–style hunt where a hidden Pontianak (ghost) rides the network and five TransCom Officers chase her across 24 turns. Play either side against the AI. One-time purchase ($4.99), no ads, fully offline. Available on the App Store (https://apps.apple.com/app/hantu-line/id6791018993).
- [Which Bus: SG Bus Route Quiz](https://arrcade.dev/apps/which-bus/): Singapore bus route quiz for iPhone — a real destination blind shows a journey (Ang Mo Kio Interchange to Shenton Way) and you name the service from four numbers in ten seconds. 313 real LTA services, every one asked exactly once; a service that also runs the route on screen is never offered as a wrong answer. Plays fully offline. Free to download with a one-time Pro unlock ($0.99). Available on the App Store (https://apps.apple.com/app/which-bus-sg-bus-route-quiz/id6795435586).
- [Klin: Resize & Compress Video](https://arrcade.dev/apps/klin/): Video compressor for iPhone that frees up storage without deleting videos. It finds the largest videos in the photo library and re-encodes them up to 70% smaller (about 70% on average) entirely on the device; nothing is uploaded. The smaller copy is saved back to Photos with the original creation date, location and albums, and the original moves to Recently Deleted for 30 days (or can be kept). High, Medium (1080p, 30 fps, recommended) and Low (720p, 24 fps) presets, or custom resolution (4K, 1080p, 720p, SD), frame rate (60/30/24 fps), bitrate and HEVC (H.265); shows the estimated size and savings before compressing. Example from the app: a 24-second 4K video of 1.95 GB becomes about 262 MB at Medium. Works with iCloud Photos videos, dashboard of total space saved, iPhone Duo support. No data collection, no tracking, no account. Requires iOS 17 or later; English. Version 1.3 (October 2026). $1.99 one-time purchase, no subscription, no in-app purchases. Available on the App Store (https://apps.apple.com/app/klin-resize-compress-video/id6757123568).
- [AnyKiosk](https://arrcade.dev/apps/anykiosk/): Turns an iOS device into a kiosk display.

## Digital planners (free web downloads)

- [Lustrum](https://arrcade.dev/lustrum/): A free digital planner — one hyperlinked PDF with 2,500+ linked pages for work, home, and life, made for handwriting on tablets like Kindle Scribe, iPad, Samsung Tab, reMarkable, and Boox. A free alternative to premium connected planners such as Inkly: no purchase, no account, no email. Download the PDF and use it offline.

## More

- [About ARRcade / Anand Raj R](https://arrcade.dev/about/): Who makes these apps and why. A one-and-a-half-man studio where every app starts as a problem Anand had himself — a missed meeting, a messy music library, a deleted folder — and where his son Aditya acts as the product guy, deciding which ideas are worth building (Which Bus was his request: a bus version of Next Station, the MRT quiz). Also covers the house rules: no ads, no subscriptions, no accounts, on-device by default.
- [Blog](https://arrcade.dev/blog/): Stories behind the apps — culture, technology, and indie development.
- [Isai is featured by Apple in Great apps on iPhone Duo](https://arrcade.dev/blog/isai-featured-by-apple-great-apps-on-iphone-duo): App Store Editors picked Isai: Hi-Res Music Player (subtitle "Bit-perfect FLAC, WAV & DSD") for the From the Editors collection "Great apps on iPhone Duo — Favourite finds from App Store Editors". Covers what Isai is, key facts, why it suits iPhone Duo, the Signal Path, and an FAQ.
- [Pure Music Mode: a Walkman, Discman and vinyl experience on iPhone Duo](https://arrcade.dev/blog/isai-pure-music-mode-iphone-duo): How Isai turns iPhone Duo into a Walkman-style cassette player, a Discman-style CD player or a vinyl turntable. Folded, the cover screen is the deck; unfolded, albums become cassette cases, jewel cases or record sleeves beside it. Outside Pure Music Mode, Isai is an immersive player coloured by the album art, with animated (motion) album artwork and a smooth fold-to-unfold transition. Same sound underneath (FLAC, ALAC, DSD, MEGA, Dropbox, WebDAV). Coming soon; not affiliated with Sony.
- [Sitemap](https://arrcade.dev/sitemap.xml)