Reikai
The questions that come up most about the app itself. For how the reading experience works, the rest of this section and the guides cover it.
Not answered here?
Ask in Q&A.
What is Reikai?
Reikai is a personal fork for reading manga and light novels in one app.
It is built on Mihon, with its own features on top: light novels beside manga in one library, merged series that bring one series' sources together, and more. Mihon's fixes and improvements reach Reikai as they land.
Does the UI follow Mihon or Yōkai?
Mostly Mihon, so nothing looks out of place, with the Yōkai touches I liked carried over: the single-list library view with the floating category hopper, dynamic grouping (by source, language, tag, and so on), and the cover-color accent on the details screen. Library layout covers how to turn on the first two; the cover color is Theme based on cover in , on by default. Suggestions are welcome, but additions will still follow Mihon's design.
How do I get updates? Is it on an app store?
No app store. Reikai has a built-in updater. It checks GitHub Releases each time you open the app from cold and every 6 hours while it stays open, and you can check yourself in under Check for updates. When there is a newer version, it opens an update screen with its changelog, where you can also skip that version. Tap Download and the button shows the progress; when it finishes, tap Install.
Where should I download Reikai from? Are "patched" builds safe?
Only from the download page, which offers both Stable and Nightly, or the GitHub releases it links to (the in-app updater pulls from the same place). Nowhere else. People sometimes post links to a "patched" or "fixed" APK in issue comments or elsewhere; those are not from me and have turned out to be malware. If a build did not come from there, do not install it.
Will updating keep my library and data? Should I back up?
Yes. An update installs over the version you have, and your library and settings stay as they are. Coming from Reikai 0.3.1 or older, or from another app, takes a few extra steps: see Before you upgrade.
Making a backup before any update is a good habit either way ( then Create backup).
Are extensions and sources supported?
Reikai doesn't maintain or fix third-party extensions; problems with a specific extension are out of scope and belong upstream. A few sources are built into Reikai, and bugs in those are fair to report. When you do, keep the issue title generalized (for example "Error opening a built-in gallery source") and name the source by its shorthand in the body. Shorthand list: built-in sources.
Can I use novel sources from Tsundoku (NovelSourcery) or IReader?
Yes. Add the repo address each project publishes with Add repo under Repos, in
Both kinds sit beside LNReader-style plugins. When a list mixes kinds of novel source, each one is labelled JS, APK or IReader so you can tell them apart. Extensions from a repo that publishes its signing key load without a trust prompt, and so do those from IReader's own repo; any other asks before an extension first loads, as it does for manga.
Where do I report a bug, request a feature, or ask a question?
- Bug: the bug report form under Issues. Include your Reikai version, from , plus your Android version and device.
- Feature idea: the Ideas discussion, so it can be talked through first.
- Question: the Q&A discussion.
Will my feature request be built?
Maybe as asked, maybe as a variation that fits the app better, maybe not at all. Reikai is shaped around one person's use, so talking an idea through in Ideas first is the most useful path.
Will my pull request be merged?
It's a personal-time project, so a PR may sit for a while, may not be merged, or may inspire a different take on the same idea. For anything beyond a small fix, raise it first.