Comparison

PDF Margin Adjuster vs Diagrams

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

Head to head
About

PDF Margin Adjuster

Easily modify the margins of your PDF, PPT, and PPTX files. This app offers interactive tools to adjust margins precisely, from simple adjustments to advanced, side-specific controls. Save your modified documents directly to your device or cloud storage.

Highlights
  • Interactive margin adjustment
  • Simple, advanced, and expert modes
  • Adjust margins side-by-side
  • Save to device or iCloud
  • Share to other applications
  • Supports PDF, PPT, PPTX files
Features
Read full description

Have you experienced that a PDF file have too large/small margin? PDF Margin Adjuster allows you to adjust PDF margins interactively. How to Use === 1. Open a PDF/PPT/PPTX* file with the folder button on the lower left of the screen. You also can open a PDF/PPT/PPTX* file from another application (e.g. Safari). 2. Adjust the margin of the file. - Simple: adjust margin with the arrow buttons at the center of the screen. - Advanced: adjust margin either side separately. - Expert: adjust margin more finely and freely. 3. Save it to your own device or iCloud/ Share it to another application with the share button at the bottom of the screen. *PPT/PPTX is experimental feature, layout can be collapsed.

About

Diagrams

Features
Read full description

Turn ideas into beautiful and professional diagrams using Apple Intelligence (On-device AI). Describe a problem, concept, or process — and instantly get a clean, structured, vector-based diagram. A modern evolution of concept mapping and brainstorming — fast, smart, and visually stunning. A universal visual thinking tool for work, study, and everyday problem solving. From simple notes to complex systems, it helps you structure ideas visually across science, technology, business, education, and engineering. Not a drawing app. A thinking app. Turn ideas into visuals — instantly. Designed for specification-driven diagram generation rather than chat. AVAILABLE DIAGRAM SKILLS: • Kanban • Gantt Chart • Mindmap • Conceptmap • Dependency Graph • Sticky Notes • Lists • Data Model (e.g. ER Diagram) • Object Model • Organizational Chart • Decision Tree • Processflow • Workflow (e.g. swimlane or activity diagram) • Messageflow (e.g. sequence diagram) • Tree Structure • Information Architecture (e.g. sitemap) • Layered Architecture • Client-Server Architecture Every skill includes a ready-to-use example prompt to help you get started. KEY FEATURES: • AI-powered diagram generation from text prompts • Vector-based output (PDF quality, not raster images) • Export or share the PDF diagram • Runs fully on-device using Apple AI models • No subscriptions, no usage limits • Clean, structured, professional diagrams • Works for any domain: science, business, education, engineering and more USE IT FOR: • Explaining concepts • Studying complex topics • Planning projects and systems • Creating structured diagrams from ideas • Visualizing workflows, processes, and relationships • Turning messy thoughts into clarity DESIGNED FOR: • Students learning complex subjects • Professionals in documents and presentations • System and business analysts • Engineers designing systems and flows • Software architects and developers • Teachers explaining concepts visually • Anyone who thinks better visually Apple Intelligence is required for this app. Make sure it is supported on your device and enabled in Settings.

Screenshots

PDF Margin Adjuster4 screens
Diagrams4 screens

Verdict

The call

The clearest difference is price: PDF Margin Adjuster at Free against Diagrams's $4.99. PDF Margin Adjuster also leads on iOS requirement (13.0 vs 26.0). Diagrams's advantage is update cadence (every 5 days vs every 3 months). On ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

PDF Margin Adjuster is free to download; Diagrams costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

PDF Margin Adjuster ships an update every 3 months, Diagrams every 5 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
PDF Margin Adjuster versus Diagrams: the parameters behind the verdict, then further details
ParameterPDF Margin AdjusterDiagrams
PriceFree — better$4.99
Rating4.6 (47 ratings) — better—
Positive reviews83.3% of reviews—
Number of ratings47 — better—
Update frequencyEvery 3 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS13.0 — better26.0
Further details — not scored
Size1 MB4 MB
Age rating4+4+
DeveloperYohei IsekiElsa Mourato

In-app purchases

None

PDF Margin Adjuster

No in-app purchases

None

Diagrams

No in-app purchases

Questions

Is PDF Margin Adjuster free?
PDF Margin Adjuster is free to download, with no in-app purchases.
Is Diagrams free?
Diagrams costs $4.99, with no in-app purchases.
Do PDF Margin Adjuster or Diagrams have ads?
Neither PDF Margin Adjuster nor Diagrams shows ads.
Which is updated more often, PDF Margin Adjuster or Diagrams?
PDF Margin Adjuster ships an update every 3 months, and Diagrams every 5 days. Most recently, PDF Margin Adjuster was updated on November 2, 2026 and Diagrams on October 31, 2026.

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