Bonsai³ vs PocketSpec
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bonsai³
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Turn your everyday GitHub activity into a bonsai. Bonsai³ turns your GitHub activity into a small voxel tree. Connect your account and see your recent contribution history take shape in its branches and foliage. When new contributions sync, gentle rain waters your bonsai and fresh growth appears. Rotate and zoom your tree, or simply enjoy it beneath a sky that changes from morning to night. • Choose from Maple, Pine, Cherry, and Azalea, with eight pot styles. • Each bonsai reflects 90 days of activity. Revisit past bonsai to see how your activity has changed over time. • Turn your bonsai into a postcard and share it as an image. • Keep your tree on the Home Screen with widgets for iPhone and iPad. Start with a sample garden—no sign-in needed. Your bonsai and contribution history are handled on your device. No ads or tracking. Bonsai³ never receives your GitHub password. Bonsai³ is independent and is not affiliated with or endorsed by GitHub.
PocketSpec
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PocketSpec is a read-only viewer for comfortably reading the Markdown specifications inside your GitHub repositories, right on your iPhone and iPad. Check the design docs and specs stored in your project's docs/ folder anytime, anywhere. It isn't tied to a single repository — register multiple projects as a "spec bookshelf" and switch between them to read. ■ Key features • GitHub integration (read-only) Sign in with GitHub and securely fetch only the contents of the repository, branch, and documentation folder you specify. It never edits or commits files. • Clean Markdown rendering Supports headings, lists, code blocks, tables, images, and links. Optimized so even long specifications are comfortable to read. • Mermaid diagram rendering Renders Mermaid code such as flowcharts and sequence diagrams as real diagrams. Tap to zoom to full screen. • Manage multiple projects Set a repository, branch, and display folder per project. The last opened project and document are restored on launch. • Offline support Once fetched, content is cached on device, so you can read your most recently synced specs even with no connection. • Secure by design Limits the visible content to the folder you specify; it never reads source code or configuration files. Access tokens are stored only in the device Keychain and are never sent to any external server. ■ Who it's for • Engineers who want to quickly check their project's specs on the move or before a meeting • Anyone who wants to read documentation from multiple development repositories in one place • Anyone who wants to safely view private-repository design docs from their iPhone ■ Before you start Using this app requires a GitHub account and read access to the target repositories. To read private repositories, install the dedicated GitHub App on the target repository (the only permission required is Contents: read-only).
Screenshots
Verdict
Bonsai³ and PocketSpec are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Bonsai³ | PocketSpec |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Sakino Tomiura | Shun Kiyoura |
In-app purchases
Bonsai³
No in-app purchases
PocketSpec
No in-app purchases









