CoapClient vs Inkiostro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CoapClient
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Constrained Application Protocol (CoAP) -one of the Internet of Things Protocols- this app is for test your Server Coap, you can use all method directly from App. You can check your server on mobility.You can save a configuration for fast test Is made for developer and testing scope. No DTLS supported To use, don't inser 'coap://' only ip or url example: '4.coap.me' and port ex.' 5683' and uri name example like 'sink'. this app is based on library and work of Wojtek Kordylewski https://github.com/stuffrabbit
Inkiostro
A distraction-free Markdown editor for Apple devices. Organize files with color labels and tags, and write efficiently with a comprehensive toolbar and live preview. Syncs automatically via iCloud Drive.
- Color Labels for files and folders
- Custom tags for organization
- Complete Markdown toolbar
- Live preview with multiple themes
- Focus and Typewriter modes
- Native iCloud Drive sync
- External folder support
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Inkiostro is a Markdown editor for people who write — notes, documentation, theses, novels. Plain text files that stay yours, a preview that looks like a finished page, and exports ready to hand over. Buy once, no subscription. No account, no tracking. WRITE, SEE, FINISH • A complete Markdown toolbar: headings, lists, tables and code blocks, one tap away. • A side-by-side preview that comes back exactly where you left it. • LaTeX formulas typeset by KaTeX, and Mermaid diagrams drawn as you type. • 27 preview styles, 11 of them free: GitHub, Sepia, Nord, Solarized and more. With Pro, Manuscript, Book, Report, Academic and others set the page like print. • Focus and Typewriter modes, a live word count and a daily writing goal. FROM DRAFT TO BOOK • PDF with selectable text, formulas and diagrams included. Free, with a small credit line in the footer. • A professional ePub: real chapters, a cover, ISBN, series, footnotes that open over the page, and the accessibility declaration Europe requires. The export sheet tells you what a store would reject — before you send it. (Pro) • A book made of many files: one chapter per file, in a folder, in the order you choose. Arranging it is free; exporting it as a single ePub is Pro. • Self-contained HTML, and page setup for PDF: paper, margins, headers and page numbers. (Pro) NEVER LOSE A WORD • Version history: Inkiostro saves versions as you write. Search them, compare them line by line, and bring back a single word or a whole draft. (Pro) • Backups of your whole library: a dated zip archive with your version history inside, offered when one is due, while the app is open, in a folder you pick. Open it in the Files app and your Markdown files are right there. (Pro) YOUR FILES, YOUR RULES • Unlimited documents, as plain .md files you can open anywhere. • Folders, color labels and tags, with search that filters by tag. • iCloud Drive sync between iPhone, iPad and Mac, with no setup. • External folders: work directly inside any folder on your device or in iCloud Drive. (Pro) INKIOSTRO PRO — ONE PURCHASE, EVERY DEVICE One purchase unlocks Pro on iPhone, iPad and Mac, forever. Try it free for 7 days. • Version history with search, comparison and a year of versions • Backups of your library • Professional ePub, HTML, and books made of many files • PDF page setup • Focus and Typewriter modes • External folders • 24 app themes, the Pro preview styles and any font installed on your device MADE FOR • Writers: novels and essays in plain text, out as a real ebook • Students and researchers: notes and theses with proper formulas • Developers: READMEs, documentation and technical notes with diagrams • Anyone tired of paying every month for a text editor PRIVACY Your documents stay in your iCloud Drive or on your device. No servers of ours, ever. Inkiostro collects only anonymous, aggregated usage statistics — never personal data, never the content of your documents — and you can turn them off in Settings.
Screenshots
Verdict
The clearest difference is in-app purchases: CoapClient at none against Inkiostro's 1. CoapClient also leads on iOS requirement (8.4 vs 18.0). Inkiostro's advantage is update cadence (weekly vs every 2 months). On price, 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
Both are free to download. Inkiostro sells 1 one-off in-app purchase. CoapClient asks for nothing beyond the download.
CoapClient ships an update every 2 months, Inkiostro weekly. The most recent releases landed on September 15, 2026 and September 28, 2026 respectively.
| Parameter | CoapClient | Inkiostro |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (4 ratings) — better |
| Positive reviews | — | 60.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, Mac — better |
| Requires iOS | 8.4 — better | 18.0 |
| Further details — not scored | ||
| Size | 1 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Luca Ceci | Carlo Di Giuseppe |
In-app purchases
CoapClient
No in-app purchases
Inkiostro
- Inkiostro Pro$19.99









