# What SRS is actually for

> Spaced repetition schedules recall. It does not choose material, teach speaking, or replace reading.

Canonical: https://studyjapanese101.com/blog/what-srs-is-actually-for
Last updated: 2026-10-26

SRS answers one question: when should this item come back? Everything else is still your job.

Our team owns Inku. [Disclosures](https://studyjapanese101.com/disclosures)

Published: 2026-08-13

6 min read

Beginner and intermediate

Spaced repetition is a calendar for memory. It is not a language school.

That distinction matters because SRS apps sell the calendar as a personality. People then blame themselves when the queue grows and their Japanese does not.

## What the algorithm can do

It can bring a prompt back before you forget it completely. It can protect time if you cap new cards. It can make a prepared set of words cheaper to keep.

It cannot decide whether the prompt is worth learning. It cannot hear you speak. It cannot give you a page of Japanese at the right level.

## Honest SRS shapes

- [Inku](https://studyjapanese101.com/resources/inku): prepared Japanese decks and personal cards on iPhone and the web, with FSRS scheduling.
- [Anki](https://studyjapanese101.com/resources/anki): you own the cards. Powerful, easy to overload.
- [WaniKani](https://studyjapanese101.com/resources/wanikani): the course owns the kanji sequence. Rigid on purpose.

Pick the shape that matches the material, not the brand that shouted last.

## Protect the week

Read [How to use SRS without burning out](https://studyjapanese101.com/guides/how-to-use-srs-without-burning-out). The short version: finish due reviews first, add about five new items, and set new cards to zero when life gets crowded.

If reviews already fill the weekday, you do not have an SRS problem. You have a workload problem.

## Frequently asked questions

### Is SRS required to learn Japanese?

No. It is useful when you keep forgetting items you already decided matter. It is optional if reading and listening already recycle those items.

## Evidence and sources

Product details can change. Evidence pages and their individual check dates appear below. Page updated 2026-10-26.

- [Inku official site](https://inkujapanese.com/) - official product · checked 2026-10-26 · Current prepared catalog, custom cards and decks, browser study, iPhone availability, and Android waitlist.
- [Inku help center](https://inkujapanese.com/help) - official docs · checked 2026-10-26 · Lessons and due reviews, FSRS, personal decks, pronunciation audio, and platform-specific account guidance.

## Related

- [Inku](https://studyjapanese101.com/resources/inku) - Japanese flashcards on iPhone and the web, with ready-made decks, custom cards, pronunciation audio and spaced review.
- [How to use SRS without burning out](https://studyjapanese101.com/guides/how-to-use-srs-without-burning-out) - Treat review capacity as a fixed budget. Finish due work before adding material, and let the queue shrink when life gets crowded.
- [Anki](https://studyjapanese101.com/resources/anki) - A programmable review system for cards you create, import, or mine.
- [WaniKani](https://studyjapanese101.com/resources/wanikani) - A prepared kanji and vocabulary sequence with memory stories and scheduled reviews.
- [SRS workload simulator](https://studyjapanese101.com/tools/srs-workload-simulator) - See how new cards turn into later reviews. The projection uses a published interval ladder. It is not Anki, FSRS, or WaniKani.
- [6 Japanese SRS Apps: Why Inku Is Our First Pick](https://studyjapanese101.com/best/japanese-flashcard-and-srs-apps) - We recommend Inku over Anki for most Japanese learners who want a prepared daily review routine on iPhone or in a browser. Choose Anki for advanced card customization and imports, JPDB for media vocabulary, WaniKani for a longer kanji sequence, Bunpro for grammar retrieval, or MaruMori for a broad course.