Comparison

Simple Diagram vs App Sitemap

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

Head to head
About

Simple Diagram

Features
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Diagram makes creating professional flowcharts and diagrams incredibly simple. โ€ข Add rectangles, ovals, diamonds, and arrows โ€ข Customize colors with beautiful gradients โ€ข Double-tap to add text to any shape โ€ข Pinch to zoom for detailed work โ€ข Export to PDF, PNG, or HTML document โ€ข Save multiple diagrams โ€ข Undo mistakes instantly Perfect for students, professionals, and anyone who needs to visualize ideas quickly.

About

App Sitemap

Features
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FlowSnap turns your app screenshots into beautiful sitemaps and user flow diagrams โ€” no design skills required. Whether you're a product manager mapping a competitor app, a UX designer presenting user journeys, or an indie developer planning your next project, FlowSnap gives you a fast, visual workspace right on your iPhone. โ€”โ€”โ€” HOW IT WORKS โ€”โ€”โ€” 1. Import screenshots from your photo library or Google Drive 2. Cards appear on an infinite canvas โ€” drag, arrange, and label them 3. Draw arrows between cards to show navigation flows 4. Export your sitemap as PNG, PDF, SVG, JSON, or Markdown โ€”โ€”โ€” KEY FEATURES โ€”โ€”โ€” CANVAS & CARDS โ€ข Infinite canvas with pinch-to-zoom (10%โ€“200%) and pan โ€ข Batch import up to 50 screenshots per project โ€ข Color-tag cards to group features and modules โ€ข Add text annotations to any card โ€ข Long-press to move, copy, replace screenshot, or delete CONNECTIONS & FLOWS โ€ข Tap-to-connect mode: tap start card โ†’ tap end card โ€ข Solid or dashed line styles โ€ข Custom connection colors โ€ข Add labels to describe transitions (e.g. "Tap Login") โ€ข Tap any connection to edit or delete AI ASSISTANT (Claude API required) โ€ข Page Analysis: AI reads your screenshot and fills in the name and annotations automatically โ€ข Smart Connection Suggestions: AI proposes logical flows based on your page names โ€” shown as dashed preview lines, accept with one tap โ€ข Sitemap Summary: Generate a Markdown analysis report of your entire project EXPORT EVERYWHERE โ€ข PNG: full-canvas export (watermark-free with Pro) โ€ข PDF: high-quality, shareable document โ€ข SVG: drag directly into Figma โ€” colors, annotations, and connections preserved โ€ข JSON: structured data for developers โ€ข Markdown: human-readable documentation GOOGLE DRIVE SYNC โ€ข Sign in with Google โ€” no separate account needed โ€ข Projects auto-sync to a FlowSnap/ folder in your Drive โ€ข Download any project to a new device instantly โ€ข Your data stays in your own Drive; FlowSnap never stores it PROJECTS & ORGANISATION โ€ข Folder grouping to organise by client, product, or sprint โ€ข Thumbnail previews on the project grid โ€ข Sort by date or name โ€ข Built-in templates: Blank, E-Commerce, Social, Game FREE vs PRO Free: up to 3 projects, PNG export with watermark, core canvas features Pro: unlimited projects, PDF export, watermark-free PNG, SVG export, priority AI features โ€”โ€”โ€” PRIVACY โ€”โ€”โ€” FlowSnap does not collect or store your screenshots, projects, or personal data on any FlowSnap-owned server. All project data is saved locally on your device (offline-first) and optionally synced to your own Google Drive account. The optional AI features send screenshots to Anthropic's Claude API using your own API key. Please review Anthropic's privacy policy at anthropic.com. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://hotseason.app/flowsnap/privacy/ Terms of Use: https://hotseason.app/flowsnap/terms/ โ€”โ€”โ€” GET STARTED โ€”โ€”โ€” Download FlowSnap for free. Import your first screenshots and build your first sitemap in under 5 minutes.

Screenshots

Simple Diagram3 screens
App Sitemap4 screens

Verdict

The call

The clearest difference is in-app purchases: Simple Diagram at none against App Sitemap's 2. App Sitemap's advantage is iOS requirement (13.0 vs 18.4). On price, ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. App Sitemap sells 2 in-app purchases, starting at $2.99 per month. Simple Diagram asks for nothing beyond the download.

Scorecard2 real differences ยท 4 level
Simple Diagram versus App Sitemap: the parameters behind the verdict, then further details
ParameterSimple DiagramApp Sitemap
PriceFreeFree
Update frequencyโ€”Every 4 days
AdsYesYes
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, Mac โ€” betteriPhone, iPod
Requires iOS18.413.0 โ€” better
Further details โ€” not scored
Size4 MB41 MB
Age rating4+4+
DeveloperNhat Linh DangHot Season Enterprise, Inc.

In-app purchases

None

Simple Diagram

No in-app purchases

2 purchases

App Sitemap

Subscriptions1
  • FlowSnap Pro โ€” Monthly$2.991 Month
One-time1
  • FlowSnap Pro โ€” Lifetime$19.99

Questions

Is Simple Diagram free?
Simple Diagram is free to download, with no in-app purchases.
Is App Sitemap free?
App Sitemap is free to download, with in-app purchases available.
Do Simple Diagram or App Sitemap have ads?
Both Simple Diagram and App Sitemap show ads.

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