问道紫微 vs DotInk
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
问道紫微
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Ask Ziwei calculates Ziwei Doushu charts on your device, with birth profiles, true solar time adjustment, and views for major periods, years, months, and days. Manage chart archives and conversations with search, sorting, pinning, renaming, import, and export. Optional AI conversations support streaming replies and local chart tools. You can configure your own provider endpoint, model, and API key. Outside the China mainland App Store, optional Sign in with ChatGPT is available. Supported models and access depend on your account, workspace, and plan. Provider credentials are stored in your device Keychain. Prompts and relevant chart data are sent directly to your selected provider. The developer does not supply a shared API key or operate an AI proxy. Chart calculations and profile management do not require AI sign-in. Profiles may sync through your private iCloud database. The app is intended for traditional culture study and personal exploration. AI responses may be inaccurate.
DotInk
This app helps e-ink device owners customize fonts and convert e-books for their readers. It offers WYSIWYG font editing, e-book formatting, and seamless wireless integration with supported devices. All processing is done offline, prioritizing user privacy.
- WYSIWYG font customization
- E-book conversion and formatting
- Wireless device integration
- Offline processing
- Real-time screen simulation
- Import TTF fonts
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Designed for e-ink enthusiasts, making your portable readers more powerful and easier to use. Seamlessly convert .ttf fonts and e-books on your phone into .bin fonts, XTC, or EPUB formats perfectly tuned for portable e-ink screens. [CORE FEATURES] • WYSIWYG Font Customization Import external .ttf fonts or use system fonts. Adjust line spacing, tracking, size, weight, and more with precision. Real-time simulation of various e-ink screens—preview exactly how it looks before exporting. • Powerful E-book Toolbox Import various e-book formats to preview layouts directly on your phone. Customize formatting and convert to standard formats with a single tap. • Seamless Device Integration Wireless connection to supported devices for font pushing and file management. Supported Devices: XTEInk X4, EDCBook, Murphy 3.7, Wudada·Little Ink, and more. • Privacy First & Offline 100% Offline: All processing is done locally on your device. No user data is ever uploaded. (Note: Network and Location permissions are required solely for connecting to your e-ink hardware.) [NOTE FROM DEVELOPER] This app is an indie project built with "AI Vibe Coding." While I strive for perfection, I cannot test every scenario. If you encounter any bugs, I appreciate your understanding. Thank you to all the "Community Supporters" for your feedback! Feel free to leave suggestions or comments. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: DotInk at Free against 问道紫微's $5.99. DotInk also leads on update cadence (weekly vs every 2 weeks) and iOS requirement (15.0 vs 26.0). 问道紫微's advantage is in-app purchases (none vs 3). On ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
DotInk is free to download; 问道紫微 costs $5.99 up front. DotInk sells 3 in-app purchases, starting at $0.99 per month. 问道紫微 asks for nothing beyond the download.
问道紫微 ships an update every 2 weeks, DotInk weekly. The most recent releases landed on October 19, 2026 and October 12, 2026 respectively.
| Parameter | 问道紫微 | DotInk |
|---|---|---|
| Price | $5.99 | Free — better |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | 广鑫 武 | 业 毕 |
In-app purchases
问道紫微
No in-app purchases
DotInk
- Monthly Pro$0.991 Month
- Yearly Pro$5.991 Year
- Lifetime Pro$14.99









