HaKa Comic: a third-party PicACG client for five desktop and mobile platforms

HaKa Comic's PicACG role and supported platforms

HaKa Comic addresses a straightforward need: reading the PicACG service through a client that is not limited to one operating system. The repository identifies the application as a third-party client for 哔咔漫画 and lists PicACG, Pica, and Bika among its related names. Its supported targets are Android, iOS, macOS, Windows, and Linux. That makes it relevant to readers who move between phones and desktop computers, although the README calls the project a Flutter practice project rather than presenting it as a formal PicACG client.

The platform list is broad, but the distribution formats differ substantially. Android users choose among an `arm64` APK, a `universal` APK, or an `x86_64` APK when available. iOS builds are unsigned `IPA` files that require sideloading through a workflow such as SideStore or AltStore. macOS and Windows use desktop packages, while Linux is limited to `.deb` files for `amd64` and `arm64`. Cross-platform here means that the project is built for several operating systems. It does not mean that every platform has an identical installation process or release format.

The project is expressly unofficial. According to the README, it has no association with PicACG's official operator and is intended for technical exchange and learning. The README also says that commercial use is prohibited. Resource ownership remains with the original authors and platform, and its disclaimer asks users to delete downloaded material within 24 hours. These conditions matter when deciding whether the application fits an organizational or public distribution workflow.

Flutter, Rust, and the repository's implementation layout

HaKa Comic is primarily a Dart and Flutter project, but the repository also contains a `rust/` directory and a `flutter_rust_bridge.yaml` configuration. The listed development prerequisites make the architecture more specific than a typical Flutter-only README: Flutter SDK `3.41.2`, Dart SDK `>= 3.10.0 < 4.0.0`, and a Rust toolchain using stable edition 2021. The repository includes platform folders for each supported target, including `android/`, `ios/`, `macos/`, `windows/`, and `linux/`.

Based on the repository layout, the application code lives under `lib/`, while native build configuration is separated into the platform directories. Tests are represented by `test/`, `integration_test/`, and `test_driver/`. Asset management appears in `assets/`, and build or release helpers appear in `script/`, `rust_builder/`, and files such as `flutter_launcher_icons.yaml`. This is the visible structure, but the README does not describe the network client, page-loading mechanism, image cache, reader state, or the exact interface between Dart and Rust. Those implementation details cannot be confirmed from the available project documentation.

The screenshots show category browsing, comic lists, comic details, and a reading interface. However, the repository explicitly warns that the screenshots are outdated and tells readers to rely on the current interface. The documentation therefore confirms the intended product flows, but it should not be treated as a complete account of current behavior. In particular, the README does not state whether pages are cached for offline use, whether downloads are supported, or whether reading progress is synchronized with PicACG.

Downloading HaKa Comic from GitHub Releases

The README directs users to GitHub Releases for every supported platform. It does not provide a stable direct-download URL, so users should select the release corresponding to their operating system and architecture from the page. Recent releases include `v1.2.7`, `v1.2.6`, and `v1.2.5`, but the README specifically warns that individual asset filenames change between versions.

Android is the most direct path for many users. The documentation recommends `arm64` for most physical devices and `universal` when the architecture is uncertain, while noting that the universal package is larger. It identifies `x86_64` as the usual choice for emulators. The following commands only verify the local development tools; they do not install the application.

flutter --version
dart --version
rustc --version
cargo --version

A contributor should see the installed Flutter and Dart versions checked against the requirements in `pubspec.yaml`, including Flutter `3.41.2` and Dart `>= 3.10.0 < 4.0.0`. A more detailed Flutter environment check is also documented:

flutter doctor -v

The README does not give a command for creating an account, signing in, choosing a server, or opening a specific comic. Its installation section ends at obtaining the appropriate package. The screenshots establish that browsing and reading interfaces exist, but a documented first-use tutorial stops short of showing how a new user signs in or reaches a comic. Users who require those steps may need to inspect the current interface or ask the maintainers before relying on the application.

Platform installation constraints for HaKa Comic

HaKa Comic's release packages introduce several operating-system constraints that are more important than the shared Flutter branding. On Android, choosing the wrong CPU architecture can prevent a package from being suitable for the target device. The README's guidance is to prefer `arm64` for most phones, use `universal` if unsure, and consider `x86_64` for an emulator.

The iOS artifact is an unsigned `IPA`. The README says it must be self-signed or sideloaded before installation and recommends SideStore or AltStore. For AltStore, it provides a repository-hosted source configuration:

https://raw.githubusercontent.com/raoxwup/haka_comic/main/alt_store.json

That URL is a configuration source, not an application binary. The README also directs users to SideStore's own prerequisites documentation for prerequisite setup, so the complete iOS installation cannot be reduced to this single URL.

macOS uses a `DMG`, and first launch may require the user to allow the application through system security settings. Windows uses an `EXE` built with Inno Setup, which may cause SmartScreen to display a warning. Linux support is narrower: the README provides only `DEB` packages for Debian and Ubuntu systems, with `amd64` and `arm64` variants. It gives this installation pattern:

sudo apt install ./xxx.deb

`xxx.deb` is a placeholder in the README rather than a versioned asset filename. Readers must replace it with the actual file name shown on the selected Release page. The absence of documented AppImage, Flatpak, Snap, RPM, or other Linux packages is a real adoption constraint for users outside Debian and Ubuntu package workflows.

HaKa Comic maintenance signals and upgrade work

The repository is not archived, and its last push was on 2026-09-24. That supports describing it as having recent repository activity, but it does not establish a formal maintenance policy or guarantee future compatibility. The three listed releases also show repeated versioned releases in 2026: `v1.2.7` on 2026-08-14, `v1.2.6` on 2026-07-02, and `v1.2.5` on 2026-05-21.

Upgrading does not appear to be a one-command process for ordinary users. Each platform uses a different package format, and the README does not document automatic updates, migration of downloaded content, preservation of local settings, or rollback to a previous release. A user moving between versions must consult the relevant release entry and retain the prior platform package if rollback matters. The project also contains different native build configurations for five platforms, which means a source build can involve more than running the same cross-platform release process.

The declared license is `GPL-3.0`. That identifier describes the repository's stated licensing model, while the README separately prohibits commercial use of the software. These statements create a licensing question that should be reviewed against the actual `LICENSE` file and intended distribution model. This article does not provide legal advice or resolve how those statements apply to a particular deployment. Contributors should also account for the GPL obligations applicable to source distributions under its terms.

When HaKa Comic is the wrong client choice

HaKa Comic is a poor fit when an official relationship with PicACG is a requirement. The README explicitly describes it as an unofficial third-party application with no connection to the official service. It is also a poor fit for commercial deployment because the README states that commercial use is forbidden.

A reader should be cautious if offline reading is central to the decision. The README mentions download and deletion conditions for content, but it does not document an offline cache, local download library, sync guarantee, or behavior after a network interruption. Similarly, it does not explain account registration, authentication, server selection, reading-position synchronization, or failure recovery. None of those features can be promised from the project description alone.

Another practical alternative is a single-platform client that documents the reader's required login, download, and synchronization flow. The repository evidence does not identify or describe such a named alternative, so the useful comparison is based on support and documented workflow rather than feature claims that cannot be verified.

Editorial conclusion

Adopt HaKa Comic if you want an unofficial PicACG client built with Flutter and can accept platform-specific installation and trust requirements. Do not choose it for commercial use or if an officially backed service, documented account flow, offline behavior, or recovery procedure is essential. Check the selected GitHub Release asset and its platform notes first, because package names vary by version and Linux support currently stops at `.deb` packages.

Frequently asked questions

Official sources

1. Issues
2. License: GPL-3.0
3. raoxwup/haka_comic on GitHub
4. README
5. Releases