2FAS
Security & Privacy
A local-first pair of apps: the 2FAS Auth two-factor authenticator and the 2FAS Pass password manager. Auth needs no account and supports backups.
Apps for iPhone & iPad
22 apps
22 apps that APP NAVI confirmed from official sources to run on iPhone & iPad. Last checked: 2026-11-05. Anything we could not confirm stays "Unverified"; we never guess. Prices and specs change, so check each app's official page before you use it.
Anki
Education & Learning
A spaced-repetition flashcard program. The desktop version is free and cards sync across devices via AnkiWeb.
Free plan
ChatdollKit
AI & Generative AI
A Unity SDK for turning a 3D model into a voice-enabled chatbot. It supports several LLMs such as ChatGPT, Claude and Gemini and speech synthesis such as VOICEVOX and AivisSpeech.
Free planAIJapanese UIIndie
CmdDeck
Mobile Apps
A command reference app for IT work on iOS, iPadOS and macOS. It lists 1,510 commands and 120 troubleshooting flows, works fully offline, supports 9 UI languages and is a one-time purchase.
Japanese UIIndie
Ente Auth
Security & Privacy
A free, open-source two-factor authentication app with end-to-end encrypted backups and sync across devices. It can also be used offline without an account.
Gyazo
Web Services & Online Tools
A capture tool for screenshots and video that creates a shareable URL right away. It offers shortcut capture, OCR search, tags and collections.
Free planAIJapanese UI
Ice Cubes
Mobile Apps
An open-source Mastodon client written in SwiftUI, published from developer Dimillian's personal GitHub account.
Indie
Joplin
Daily Life & Utilities
A privacy-focused open-source note-taking app with sync across devices and end-to-end encryption.
Karakeep
Daily Life & Utilities
An open-source bookmark manager for links, notes and images, with AI auto-tagging and self-hosting; apps for iOS, Android, Chrome and Firefox.
AI
Leasy
Mobile Apps
A simple flashcard-style memorization app where you add your own words or phrases. It offers multiple-choice and typed questions, review of missed items and a random test, with data kept on the device.
Free planJapanese UI
Mindustry
Games & Entertainment
A sandbox tower-defense game where you build factories to process materials and defend your base against enemy waves, with multiplayer servers.
Free planJapanese UI
Mochi
Education & Learning
A spaced-repetition flashcard app that doubles as a Markdown note tool. It is local-first and supports LaTeX plus language-learning aids such as dictionaries and text-to-speech.
Free planAI
ntfy
Web Services & Online Tools
An HTTP-based pub-sub notification service that sends push notifications to phones and desktops via PUT/POST. It can be used without sign-up and is open source.
Free planIndie
Organic Maps
Mobile Apps
An offline maps and navigation app built on OpenStreetMap data. The official site says it has no ads or tracking and is free.
Free planJapanese UI
Plane
Business & Operations
A project and knowledge management platform covering work items, cycles and a wiki. It is available as a cloud service or self-hosted via Docker or Kubernetes.
AI
SimpleX Chat
Social & Communication
A private messenger that uses no user identifiers, not even random ones. Connections are made via link or QR code for messages and calls, per the official site.
Stocha
Mobile Apps
A photo organizer app for tidying photos on the device. The developer's site says it is designed with privacy as the top priority and has no external data communication.
Indie
Voicepaper
Mobile Apps
A text-to-speech app for iPhone, iPad and Android. Import PDFs, EPUBs, web articles and photos and listen; the English page says it is free and has no ads.
Free planAIIndie
Zeny
Mobile Apps
A simple money tracker for logging expenses in a few taps, with history, a calendar and charts. The site says it is free forever with no sign-up.
Free planIndie
Zotero
Education & Learning
A research tool for collecting, organizing, annotating and citing sources, developed by a nonprofit and free to use.
Free plan
ティラノスクリプト
Games & Entertainment
A free tool for making visual novel games. Games can be published for PC, smartphones and browsers, and the official site says commercial use has no restrictions.
Free planJapanese UI
ドリトル (Dolittle)
Education & Learning
A programming language designed for education. The official site says it is used in textbooks and supplementary materials for junior and senior high schools and in classes from elementary school to university.
Japanese UI