Comparison

PDF Expert vs ArcFlash IEB

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

Head to head
About

PDF Expert

This app allows you to edit, annotate, fill out forms, and convert PDF documents. It offers AI-powered summarization and analysis, along with tools to merge, sign, and protect your files. Work seamlessly across Apple devices with a user-friendly interface.

Highlights
  • Edit PDF text and images
  • Annotate and highlight PDFs
  • Fill out PDF forms
  • Convert files to and from PDF
  • AI-powered summarization and analysis
  • Merge and combine PDF files
  • Sign documents with e-signatures
Features
Read full description

PDF Expert is a fast and easy PDF app to read, annotate, fill and sign PDF forms, convert files to PDF, and merge, split or compress documents – all in one intuitive app for iPhone, iPad, Mac & Vision Pro. Read PDF files with comfort, highlight and mark up text, fill out forms, sign contracts, create and convert PDFs, and summarize long documents in seconds with AI-powered tools. Unlock unlimited possibilities with PDF Expert Premium and work across all your Apple devices. "PDF Expert is one of my must-have iPad apps and a desktop-class PDF reader." – MacStories "The best app for managing, editing, and reading PDFs on your iPad." – The Sweet Setup ▶ WITH PDF EXPERT, YOU CAN: READ PDFs - PDF reader with Day, Night, and Sepia modes for comfortable reading anytime - Scroll PDFs vertically or horizontally and search text in any document - Open and view PDF files from email, web, Files, or any app via the Share menu - Read PDFs out loud with Text to Speech ANNOTATE AND MARK UP PDFs - Highlight, underline, and strike through text in your PDFs - Mark up documents with pen, shapes, text, notes, and comments - Add stamps such as Approved or Confidential - Record your voice and add audio notes to PDFs FILL AND SIGN PDF FORMS - Fill out PDF forms with text fields, checkboxes, and radio buttons - Sign PDF documents in seconds – draw your signature or add it from an image - Save your signature to sign contracts, agreements, invoices, and applications faster - Fill, sign, and send forms right from your iPhone – no printing or scanning needed - Supports all major form formats, including AcroForms and static XFA forms ***PREMIUM FEATURES*** EDIT PDFs - Edit text directly in a PDF – just as you would in a Word document - Add, replace, and resize images in your PDFs - Add links to other pages or websites - Add outlines to navigate large PDFs CREATE AND CONVERT PDFs - Create PDFs from Word files, images, and other documents - Convert Word to PDF, JPG to PDF, and PNG to PDF in seconds - Convert PDF to Word, Excel, PowerPoint, JPG, PNG, and TXT MERGE, SPLIT AND ORGANIZE PDFs - Merge and combine multiple PDF files into one - Split PDFs and extract pages into a new file - Add, delete, rotate, and reorder pages with thumbnail preview COMPRESS PDFs - Compress PDFs to reduce file size for email and sharing - Shrink large PDF files to save space on your device SUMMARIZE PDFs WITH AI – PDF COPILOT - List Main Points – get key takeaways from any PDF - Summarize – get concise summaries of entire PDFs or annotations - Ask Anything – find details with AI answers and references - Explain – get instant explanations of words or phrases PROTECT YOUR FILES - Password-protect PDF Expert - Redact – permanently black out sensitive information WORK WITH SCANNED DOCUMENTS - Open scanned PDFs to fill out, sign, annotate, and share CONSTRUCTION TOOLS - Scale and measure drawings with the Measure tab - Polygon, polyline, and redline tools MORE FEATURES - Customizable toolbar - Presentation Mode - Print and share PDFs via email or cloud ONE ACCOUNT FOR ALL YOUR APPLE DEVICES One Premium subscription covers PDF Expert on iPhone, iPad, and Mac – no need to buy versions separately. Read more about our terms and conditions here: https://pdfexpert.com/privacy https://pdfexpert.com/terms Don’t hesitate to reach out to us at http://readdle.com/contact

About

ArcFlash IEB

Features
Read full description

Esta aplicación está diseñada como una herramienta práctica y confiable para profesionales eléctricos, ingenieros y técnicos que necesitan realizar cálculos de arco eléctrico directamente en campo. Su propósito es brindar apoyo inmediato en la evaluación de riesgos y en la toma de decisiones de seguridad, sin depender de hojas de cálculo externas o software complejo. Con una interfaz intuitiva y optimizada para dispositivos móviles, la app permite ingresar parámetros clave de manera sencilla y obtener resultados precisos en cuestión de segundos. Está pensada para ser un complemento en las labores de inspección, mantenimiento y supervisión, facilitando el cumplimiento de normativas y estándares de seguridad eléctrica. Características principales: - **Cálculo rápido y preciso** de energía incidente y distancias de seguridad. - **Uso en campo** sin necesidad de conexión constante a internet. - **Interfaz clara y amigable**, enfocada en la productividad. - **Herramienta adicional** que complementa los métodos tradicionales de análisis. - **Soporte para diferentes escenarios eléctricos**, adaptable a diversas condiciones de trabajo. Beneficios: - Mejora la seguridad al proporcionar información confiable en el momento crítico. - Reduce tiempos de análisis y aumenta la eficiencia en inspecciones. - Facilita la documentación y comunicación de resultados en terreno. - Ayuda a cumplir con estándares internacionales de seguridad eléctrica. Ya sea en plantas industriales, instalaciones comerciales o proyectos de infraestructura, esta aplicación se convierte en un aliado esencial para quienes buscan precisión, rapidez y seguridad en el cálculo de arco eléctrico. Diseñada para acompañar al profesional en su día a día, aporta valor como herramienta adicional que fortalece la gestión de riesgos eléctricos en cualquier entorno.

Screenshots

PDF Expert4 screens
ArcFlash IEB4 screens

Verdict

The call

The clearest difference is in-app purchases: ArcFlash IEB at none against PDF Expert's 10. PDF Expert's advantage is chart position (#75 vs unranked). On price, ads, device support 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. PDF Expert sells 9 in-app purchases, starting at $9.99 per month. ArcFlash IEB asks for nothing beyond the download.

Scorecard2 real differences · 9 level
PDF Expert versus ArcFlash IEB: the parameters behind the verdict, then further details
ParameterPDF ExpertArcFlash IEB
PriceFreeFree
Rating4.7 (217K ratings) — better—
Positive reviews45.2% of reviews—
Number of ratings217K — better—
Update frequencyFortnightly—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
Best chart rank#75 — better—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size301 MB7 MB
Age rating4+4+
DeveloperReaddle Technologies LimitedINGENIERIA ESPECIALIZADA S A

Bugs and requests

PDF Expert

Reported bugs

4 issues
  • Corrupted PDFs after editing
  • Sync issues with cloud storage providers
  • Unexpected loss of annotations and edits
  • Unreliable performance on older iPad models

Requested features

5 requests
  • Improved palm rejection for Apple Pencil
  • Customizable toolbar and annotation presets
  • Better integration with other productivity apps
  • More flexible file management and organization
  • Ability to create fillable PDF forms

ArcFlash IEB

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

PDF Expert

Subscriptions8
  • PDF Expert Premium Trial7 Days trial$9.991 Month
  • PDF Expert Premium No Trial$9.991 Month
  • PDF Expert for Education7 Days trial$39.991 Year
Show 5 more
  • PDF Expert Premium7 Days trial2 variants$49.991 Year
  • PDF Expert Premium New7 Days trial$49.991 Year
  • PDF Expert Premium Existing7 Days trial$49.991 Year
  • PDF Expert – Premium Editing1 Year trial$49.991 Year
  • PDF Expert Mac & iOS7 Days trial$79.991 Year
One-time1
  • PDF Expert Basic$9.99
None

ArcFlash IEB

No in-app purchases

Questions

Is PDF Expert free?
PDF Expert is free to download, with in-app purchases available.
Is ArcFlash IEB free?
ArcFlash IEB is free to download, with no in-app purchases.
Do PDF Expert or ArcFlash IEB have ads?
Neither PDF Expert nor ArcFlash IEB shows ads.

Other comparisons