Comparison

MDash vs PromptWallet AI Prompt Library

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MDash

This app offers a live split-view editor for Markdown with real-time preview and syntax highlighting. It also supports Mermaid diagram rendering directly within documents, allowing for efficient text formatting and creation of visual aids.

Highlights
  • Live split-view Markdown editing
  • Real-time preview with syntax highlighting
  • Mermaid diagram rendering
  • Export to MD, TXT, or PDF
  • Auto-save functionality
  • Dark mode support
Features
Read full description

MDash is a Markdown editor that keeps your notes as plain text on your device. No lock-in, no account, no sync you did not ask for. Write on iPhone, iPad and now Mac — the full workspace on every screen. MARKDOWN, RENDERED LIVE Type plain Markdown and watch the preview update as you type: headings, lists, task checkboxes, tables, code blocks with syntax awareness, links and images. Show the text, the preview, or both side by side. MERMAID DIAGRAMS — FREE FOR EVERYONE Describe a flowchart, sequence diagram, Gantt chart, class diagram or state machine in plain text and MDash draws it instantly. Rendering is built into the app: no network, nothing leaves your device. ON MAC AND APPLE WATCH The complete MDash workspace runs on macOS — a three-column library, keyboard-first editing and the same live preview and Mermaid rendering. On Apple Watch, browse your library and read any note on your wrist. One purchase covers iPhone, iPad, Mac and Watch. YOUR LIBRARY, ORGANIZED • Pinned notes, Last 7 Days, and Trash with restore • Full-text search across every note, with jump to match • In-document find and replace with match highlighting • Attach photos to notes; files stay ordinary Markdown • Folders keep related notes together; create one right from the sidebar • Tags under the title, a Tags section in the sidebar, and search by tag • Smart folders collect notes automatically from the tags you choose • Scan documents into a note, and search the text inside photos and scans — on device, free • Import from Obsidian, Bear, Apple Notes, TextBundle or any folder of Markdown files — free • Version History keeps earlier versions of every note on device, ready to restore — free EXPORT AND SHARE • Export Markdown and plain text — free • Copy as rich text for mail and documents • PDF, HTML, Word (DOCX), ePub, RTF, JPG and TextBundle export with MDash Pro MDASH PRO — ONE PURCHASE, EVERY DEVICE A single one-time purchase unlocks iCloud sync across your devices, export to PDF, HTML, Word, ePub and more, and watermark-free Mermaid diagrams. No subscription. PRIVATE BY DESIGN Notes are stored on device; sync is optional and uses your iCloud. Mermaid rendering is local. There is no tracking and no account. Questions or ideas? Leave a review or reach out through the App Store page — MDash is built by an independent developer and shaped by user feedback.

About

PromptWallet AI Prompt Library

Features
Read full description

PromptWallet helps you save prompts before they disappear.\n\nCapture prompt ideas from text, web links, and X shares, then find them fast when you need to reuse them. Keep your strongest prompts organized, searchable, and ready to copy in one tap across iPhone and Mac.\n\nWhat you can do:\n• Save prompts privately by default\n• Capture from text, web links, and X shares\n• Review queued imports in one inbox\n• Find saved prompts fast and copy them quickly\n• Discover useful public prompts and save them locally\n• Keep your profile and activity synced across iPhone and Mac\n\nPromptWallet is built for creators, operators, and developers who want less friction between finding a good prompt and using it again.\n\nPromptWallet product analytics use coarse event signals and never include prompt body content.

Screenshots

MDash4 screens
PromptWallet AI Prompt Library4 screens

Verdict

The call

The clearest difference is in-app purchases: MDash at none against PromptWallet AI Prompt Library's 2. MDash also leads on update cadence (every 2 days vs every 2 months) and device support (5 vs 2). On price, ads and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PromptWallet AI Prompt Library sells 2 in-app purchases, starting at $4.99 per month. MDash asks for nothing beyond the download.

UpkeepUpdate frequency

MDash ships an update every 2 days, PromptWallet AI Prompt Library every 2 months. The most recent releases landed on September 18, 2026 and August 18, 2026 respectively.

Scorecard3 real differences · 7 level
MDash versus PromptWallet AI Prompt Library: the parameters behind the verdict, then further details
ParameterMDashPromptWallet AI Prompt Library
PriceFreeFree
Rating3.7 (3 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings3 — better—
Update frequencyEvery 2 days — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, Mac, Apple Watch, Vision Pro — betteriPhone, Mac
Requires iOS17.017.0
Further details — not scored
Size38 MB9 MB
Age rating4+4+
DeveloperArtur GorbaczewskiAdam Watkins

In-app purchases

None

MDash

No in-app purchases

2 purchases

PromptWallet AI Prompt Library

Subscriptions2
  • PromptWallet Pro Monthly$4.991 Month
  • PromptWallet Pro Yearly$49.991 Year

Questions

Is MDash free?
MDash is free to download, with no in-app purchases.
Is PromptWallet AI Prompt Library free?
PromptWallet AI Prompt Library is free to download, with in-app purchases available.
Do MDash or PromptWallet AI Prompt Library have ads?
Neither MDash nor PromptWallet AI Prompt Library shows ads.
Which is updated more often, MDash or PromptWallet AI Prompt Library?
MDash ships an update every 2 days, and PromptWallet AI Prompt Library every 2 months. Most recently, MDash was updated on September 18, 2026 and PromptWallet AI Prompt Library on August 18, 2026.

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