Comparison

QR Code Inspector vs Merge & Compress PDF

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

Head to head
About

QR Code Inspector

Features
Read full description

Scan and preview URLs for secure online navigation. Make sure you see the link before you visit it. You can swipe and delete or hit "Go" to visit the website. Frequently visited sites are saved automatically in history for instant access, eliminating the need to rescan QR codes. Why QR Inspector? Safety: Some QR codes can lead you to harmful or unsafe website. It is best to see the full URL before deciding to open the link in your browser. Convenience: No need to have the QR code once you scanned it once. It is automatically saved in the app history until you choose to delete it. This way you can visit that page over and over again. More than that, you can copy all the URL's in the app and paste them to your Notes or email for sending them to your friends and family, or just to bookmark them on your computer browser.

About

Merge & Compress PDF

Easily scan documents, convert images and text to PDF, and manage your files on the go. This app offers essential tools for creating, editing, and signing PDFs with a simple interface.

Highlights
  • Scan documents to PDF
  • Convert images and text to PDF
  • Convert PDFs to images and Word documents
  • Merge and split PDF files
  • Compress PDF size
  • Add watermarks and signatures
  • Secure and share PDFs
Features
Read full description

Merge, compress, split and sign PDFs on your iPhone. Turn photos, Word and Excel files into PDFs in seconds. No account, no upload, no sign-up. PDFBuddy does the everyday PDF jobs properly and gets out of the way. Pick a tool, pick your file, done. MERGE, SPLIT AND SHRINK • Merge several PDFs into one, in the order you choose • Split a long PDF into separate files or page ranges • Compress a PDF that is too large to email • Turn PDF pages back into photos CONVERT ANYTHING TO PDF • Photos and camera scans • Word documents (.doc, .docx) and rich text • Excel and CSV spreadsheets • Plain and formatted text • Any web page, from a link SIGN WITHOUT PRINTING • Draw a signature once and reuse it • Place it anywhere, resize it, set the opacity • Save the signed copy alongside the original PROTECT WHAT YOU SEND • Lock a PDF with a password • Add a watermark across every page • Auto-redact finds card numbers, phone numbers, emails and addresses, shows you the page exactly as it will look, then deletes the text from the file rather than drawing a box over it READ TEXT OFF A PAGE • Scan a passport or ID card and get the details as text • Photo to text turns a handwritten or printed page into editable text, or a clean typed PDF • Table to Excel points the camera at a table and gives you a spreadsheet TOOLS THAT READ FOR YOU • Read aloud plays a document back with the sentence highlighted as it reads • Summarize gives you the short version, the action items, the dates and the people named • Smart naming names a scan from what is actually on the page EVERYTHING STAYS ON YOUR PHONE Text recognition, redaction and the AI tools all run on the device. Nothing you scan, sign or redact is uploaded, and there is no account to create. WORKS IN YOUR LANGUAGE English, Spanish, French, German, Italian, Dutch, Portuguese, Russian, Japanese, Korean and Chinese. FREE AND PRO Every tool is free to try, with 7 free documents every 30 days. Pro removes the limit and the ads. Pro is available as a weekly, monthly or yearly subscription. The price for your region is shown in the app before you buy. Payment is charged to your Apple Account at confirmation of purchase. A subscription renews automatically unless cancelled at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours of the end of that period. Manage or cancel your subscription in Account Settings after purchase. Terms of Use: https://sites.google.com/view/appvista-terms-of-use/home Privacy Policy: https://sites.google.com/view/appvista-privacy-policy/home

Screenshots

QR Code Inspector4 screens
Merge & Compress PDF4 screens

Verdict

The call

The clearest difference is in-app purchases: QR Code Inspector at none against Merge & Compress PDF's 3. QR Code Inspector also leads on ads (none vs shown). Merge & Compress PDF's advantage is update cadence (every 8 days vs every 25 months) and iOS requirement (16.0 vs 18.6). On price 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

Both are free to download. Merge & Compress PDF sells 3 in-app purchases, starting at $1.99 per 7 days. QR Code Inspector asks for nothing beyond the download.

UpkeepUpdate frequency

QR Code Inspector ships an update every 25 months, Merge & Compress PDF every 8 days. The most recent releases landed on September 27, 2026 and October 5, 2026 respectively.

Scorecard4 real differences · 6 level
QR Code Inspector versus Merge & Compress PDF: the parameters behind the verdict, then further details
ParameterQR Code InspectorMerge & Compress PDF
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 25 monthsEvery 8 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.616.0 — better
Further details — not scored
Size7 MB21 MB
Age rating4+4+
DeveloperEasy Simple SmartApp Vista Studio

In-app purchases

None

QR Code Inspector

No in-app purchases

3 purchases

Merge & Compress PDF

Subscriptions3
  • Weekly Plan3 Days trial$1.997 Days
  • Monthly$2.991 Month
  • Yearly$19.991 Year

Questions

Is QR Code Inspector free?
QR Code Inspector is free to download, with no in-app purchases.
Is Merge & Compress PDF free?
Merge & Compress PDF is free to download, with in-app purchases available.
Do QR Code Inspector or Merge & Compress PDF have ads?
Merge & Compress PDF shows ads; QR Code Inspector does not.
Which is updated more often, QR Code Inspector or Merge & Compress PDF?
QR Code Inspector ships an update every 25 months, and Merge & Compress PDF every 8 days. Most recently, QR Code Inspector was updated on September 27, 2026 and Merge & Compress PDF on October 5, 2026.

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