Comparison

Simple Pdf vs Wave ScanFlex

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

Head to head
About

Simple Pdf

Easily view, manage, and create PDF files. This app allows you to open local PDFs, load them from the internet, and even scan documents with your camera. It also supports merging, splitting, converting PDFs to images, and adding signatures.

Highlights
  • View local PDF files
  • Scan documents and convert to PDF
  • Merge and split PDF files
  • Convert PDF to images
  • Add digital signatures
  • Organize and manage files
Features
Read full description

The ultimate all-in-one PDF Reader, Editor & Scanner. View, edit text, sign, read aloud, extract text with OCR, merge, split, compress, and password-protect your documents with blazing speed and complete offline privacy. Whether you are signing contracts, listening to eBooks, extracting text from scanned receipts, or organizing business reports, this is the only PDF toolkit you will ever need on your iPhone and iPad. ◆ KEY FEATURES ◆ ◆ FAST VIEWER & IN-DOCUMENT SEARCH ◆ • Lightning-fast rendering for PDFs of any size. • Real-time in-document text search with highlighted matches. • Smooth scrolling, jump-to-page navigation, and cover thumbnail previews. • Organize your library with list/grid views and one-tap Favorites. ◆ NATURAL READ ALOUD (TTS) ◆ • Listen to any PDF narrated with high-quality system voices. • Story-like pacing: respects commas, periods, headings, and paragraph transitions. • Voice Selector: Choose and preview your favorite voice and language in Settings. • Background audio session configured to play even when the physical silent switch is engaged. ◆ AI TEXT RECOGNITION (OCR) ◆ • Turn scanned documents and photo-based PDFs into clear, editable text. • High-accuracy optical character recognition powered by on-device intelligence. • Copy extracted text to your clipboard or export it instantly. ◆ EDIT PDF TEXT & WHITEOUT ◆ • Insert custom text directly onto any PDF page. • Customize text color, font size, and alignment. • Built-in Whiteout tool to redact, cover, or clean up unwanted text and marks. ◆ DIGITAL SIGNATURES MADE SIMPLE ◆ • Create and store multiple handwritten signatures. • Place, scale, and align your signature on contracts and agreements. • Save and export signed documents without leaving the app. ◆ WATERMARKS & PAGE NUMBERS ◆ • Add confidential, draft, or custom text watermarks with adjustable angle and opacity. • Insert customizable page numbers with multiple format options (1/N, Page X of Y) and flexible positioning. ◆ HD DOCUMENT SCANNER ◆ • Turn your device camera into a high-definition portable scanner. • Automatic edge detection, perspective correction, and contrast enhancement. • Digitize physical receipts, invoices, whiteboards, and IDs into multi-page PDFs. ◆ MERGE & SPLIT PDFS ◆ • Combine multiple PDF files into one clean, consolidated report. • Split large PDFs into individual documents or separate page ranges. ◆ POWERFUL IMAGE CONVERSION ◆ • Photos to PDF: Convert camera shots and gallery photos into crisp PDF files. • PDF to Images: Extract and export any document page directly to your Photos gallery. ◆ SMART PDF COMPRESSION ◆ • Shrink file sizes by up to 85% while preserving crystal-clear text quality. • Free up device storage and easily send files over Email or messaging apps. ◆ REORDER, ROTATE & MANAGE PAGES ◆ • Effortlessly reorder pages using intuitive drag-and-drop. • Rotate individual pages (90°, 180°, 270°) to correct orientation. • Delete unwanted pages before sharing your final document. ◆ FOLDERS & NATIVE FILES SYNC ◆ • Create custom folders to categorize your files. • Automatic sync: PDFs saved in the iOS Files app under "On My iPhone / Simple Pdf-reader" appear automatically. • AI Smart Rename: Analyze document contents and generate smart names instantly. ◆ PASSWORD ENCRYPTION & PRIVACY FIRST ◆ • Lock confidential PDFs with password encryption. • Remove passwords with authorized access. • 100% Offline: Your sensitive files stay private on your device and are never uploaded to remote servers. ◆ EASY FILE SHARING & PRINTING ◆ • Print documents directly via AirPrint. • Instant sharing via AirDrop, Messages, Mail, WhatsApp, and Files. ◆ TERMS OF USE & PRIVACY POLICY ◆ Standard Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sites.google.com/view/simplepdfreader/privacy-policy

About

Wave ScanFlex

Read full description

This is the event ticket barcode scanner for the Wave Ticket Platform. Wave ScanFlex work in partnership with Agent-A & Agent Flex ticket sales platform to deliver e-tickets. This is the application required by event promoters & organisers for the venue entry system. The functions are barcode scanning, guest list & ticket holder authentication. By default, the camera is used to scan barcodes. A 2d barcode scanner can also be connected via Bluetooth. This is advisable for larger scale events as 2d barcode scanners read faster.

Screenshots

Simple Pdf4 screens
Wave ScanFlex1 screens

Verdict

The call

The clearest difference is in-app purchases: Wave ScanFlex at none against Simple Pdf's 3. Wave ScanFlex also leads on iOS requirement (12.0 vs 15.5). Simple Pdf's advantage is update cadence (every 4 months vs every 52 months) and device support. On price 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. Simple Pdf sells 3 in-app purchases, starting at $3.99 per month. Wave ScanFlex asks for nothing beyond the download.

UpkeepUpdate frequency

Simple Pdf ships an update every 4 months, Wave ScanFlex every 52 months. The most recent releases landed on October 21, 2026 and October 3, 2026 respectively.

Scorecard4 real differences · 6 level
Simple Pdf versus Wave ScanFlex: the parameters behind the verdict, then further details
ParameterSimple PdfWave ScanFlex
PriceFreeFree
Rating3.2 (6 ratings) — better—
Positive reviews28.6% of reviews—
Number of ratings6 — better—
Update frequencyEvery 4 months — betterEvery 52 months
AdsYes—
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — better—
Requires iOS15.512.0 — better
Further details — not scored
Size113 MB9 MB
Age rating4+4+
DeveloperAMARDEEP DHILLONWave Ticket Ltd

In-app purchases

3 purchases

Simple Pdf

Subscriptions2
  • Unlock all features$3.991 Month
  • Unlock feature yearly$29.991 Year
One-time1
  • Remove ads$2.99
None

Wave ScanFlex

No in-app purchases

Questions

Is Simple Pdf free?
Simple Pdf is free to download, with in-app purchases available.
Is Wave ScanFlex free?
Wave ScanFlex is free to download, with no in-app purchases.
Which is updated more often, Simple Pdf or Wave ScanFlex?
Simple Pdf ships an update every 4 months, and Wave ScanFlex every 52 months. Most recently, Simple Pdf was updated on October 21, 2026 and Wave ScanFlex on October 3, 2026.

Other comparisons