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- Getting startedWhat Tomaru is and what to do first.5 articles
- StudyingScheduling, daily load and review logic.10 articles
- Words and cardsWord lists, card creation and importing.8 articles
- Account and plansSign-in, sync, plans and payment.2 articles
- TroubleshootingCommon situations and how to fix them.4 articles
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Getting started
5 articles- How does Tomaru compare to other flashcard apps?Tomaru pairs open-source FSRS scheduling with automatic parameter optimization, ready-made contextual content, time-budgeted study tools, and multi-platform sync, offering an alternative to raw flashcard engines, sentence drill tools, and guided courses.
- Is Tomaru free?Tomaru provides its core vocabulary flashcard system, spaced repetition scheduling, parameter optimization, and ready-made decks completely free, applying weekly quotas only to optional AI generation and audio features.
- Which platforms does Tomaru support, and how does sync work?Tomaru is available as a free app on iOS, Android, and the web, using a single account to sync card reviews, custom decks, and study statistics automatically across all your devices.
- What languages does Tomaru support?Tomaru supports 7 interface languages, offers ready-made lists across 6 target languages with explanations written in multiple learner languages, and allows custom flashcard creation in all target languages.
- What is Tomaru?Tomaru is a cross-platform vocabulary app that uses FSRS spaced repetition, personalized parameter optimization, and versatile content capture to help language learners acquire and retain words efficiently across devices.
Studying
10 articles- How do daily new-word rates and limits affect your study time?Setting your daily new-word rate determines your long-term review workload, where doubling new words drastically increases daily study time rather than scaling linearly.
- How does the completion forecast predict when you will finish a word list?Tomaru uses a day-by-day simulation based on your personal rating history to project completion dates, daily review volumes, and retention curves for word lists, or to calculate daily new-word limits from a target deadline.
- How does spaced repetition work in Tomaru?Tomaru uses the open-source Free Spaced Repetition Scheduler (FSRS) to calculate the exact moment to review a word before you forget it, tracking retrievability, stability, and difficulty and training 21 parameters on your review history.
- How does personalized scheduling work in Tomaru?Tomaru runs the open-source FSRS-6 algorithm, starting with standard population parameters and retraining all 21 variables on your own review history once you reach the review threshold, to fit your individual memory decay.
- What practice modes turn flashcard vocabulary into real-world fluency?Tomaru complements spaced repetition with dedicated practice modes—including shadowing, AI speaking, grammar exercises, and personalized reading—to transform recalled vocabulary into active listening, speaking, and reading skills.
- How do you choose the right target retention rate in Tomaru?Your target retention rate balances long-term memory accuracy against total review volume, allowing you to choose between broad coverage and high recall accuracy.
- How does Smart Study optimize vocabulary reviews when time is limited?Smart Study calculates your personal review speed, estimates the time cost and retention return of due cards, and fills your chosen session budget with the highest-value reviews across your lists.
- How do study settings customize how flashcards test your skills?Tomaru lets you customize how flashcards test your skills—from reverse testing and cloze deletion to custom neural voices—without altering your underlying FSRS-6 review schedule.
- How do study statistics track your vocabulary progress?Tomaru's statistics screen translates underlying memory parameters into plain language, showing long-term retention forecasts and future review loads rather than surface-level activity metrics.
- How do home screen widgets and reminders keep your review schedule accurate?Tomaru home screen widgets and study reminders reduce daily friction by letting you review cards directly from your home screen, keeping your review intervals accurate without opening the app.
Words and cards
8 articles- How do you add vocabulary to Tomaru from other mobile apps?Tomaru integrates with Android and iOS system text selection, allowing you to translate words, view usage details, and add complete flashcards directly into your FSRS-6 schedule without leaving your current app.
- What information is on a Tomaru flashcard and why does it matter?Every field on a Tomaru flashcard addresses a specific learning challenge, moving you from basic word recognition to active usage through example sentences, native explanations, grammar notes, and audio.
- How do you turn phrases you want to say into flashcards in Tomaru?Tomaru lets you ask how to say specific sentences, breaking down translations into structural grammar patterns and converting them into scheduled flashcards so you retain the underlying language rules.
- How do you create text and image occlusion flashcards manually?Tomaru lets you create custom text cards and image occlusion flashcards directly on your phone, providing built-in masking tools so you can test spatial memory without third-party desktop software.
- How do you import decks and history from Anki?Tomaru allows you to import Anki .apkg files directly through the web app settings, preserving your decks, cards, and historical review logs so your spaced repetition schedule continues seamlessly.
- What official word lists are available in Tomaru and what is on their cards?Tomaru provides an official library of over 410,000 cards across over 150 free public word lists, featuring structured grammar notes in your native language, example sentences, and natural audio.
- How does personal reading turn reviewed vocabulary into reading fluency?Tomaru generates personalized reading passages built from words you have already reviewed, bridging the gap between isolated card recall and real-world comprehension by adding controlled stretch words to your reading.
- How do you turn text and photos into flashcards in Tomaru?Tomaru lets you create complete flashcards from pasted text or photos. The app breaks text into dictionary-form words, highlights existing vocabulary to prevent duplicates, and reuses official library entries to generate complete cards.
Account and plans
2 articles- How do accounts and multi-device synchronization work in Tomaru?Creating a Tomaru account keeps your personalized memory history, settings, and card progress continuously synchronized across iOS, Android, and the web.
- How do you manage or cancel your Tomaru subscription?Subscriptions are managed directly through the platform where they were purchased, and cancelling returns your account to the permanent free tier without losing card data.
Troubleshooting
4 articles- Flashcard audio is not playingAudio playback in Tomaru requires an active network connection, available free-tier audio allowances, proper device volume settings, and enabling auto-play switches in study settings.
- Why do I have too many or too few cards due today?Unexpected review counts result from accumulated absence backlogs, past new-word rates, daily queue limits, or waiting intra-day review steps.
- Flashcards are missing or out of date on one deviceOut-of-sync card data across devices is usually caused by an inactive network connection, signing into different accounts, or an unrefreshed app state.
- What to check if the home screen widget is not updatingIf your home screen widget is not updating review counts or card content, verify your internet connection, account login, and app state.
Word lists
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