Comparison

Survey One vs QR Code Scanner · Barcode Scan

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

Head to head
About

Survey One

Features
Read full description

Professional surveying application for engineers working in electrical, water, transportation, telecommunications, GIS, and infrastructure projects. Survey One is a comprehensive field-to-CAD solution for surveying, design, supervision, and documentation — all directly on your iPhone. No computer. No Google Earth. No AutoCAD offsets. No Civil 3D required. Everything is handled directly in the app. Core Capabilities Survey One provides complete surveying and design workflows with full DXF (AutoCAD) export support, including: • Points (with coordinates and attributes) • Text annotations • Roads and road offsets • Houses and structures • Contour lines • Blocks (custom symbols with block names) • Full layer management Designed for high-accuracy survey lines up to 15 km. Main Features • Survey and mark point coordinates • Record detailed information for each point • Capture images directly at the marked location • Use icons as CAD blocks (block name = symbol name) • Export NNT files (modern survey data format) • Export KML files (compatible with Google Earth & Windows) • Convert KML ↔ NNT formats • Receive and open shared files from any source • Edit and delete survey points easily • Export professional DXF files for AutoCAD • Full layer structure: points, text, roads, offsets, contour lines • Support custom block definitions from external drawings • Open large projects smoothly Who Is It For? • Transportation engineering • Power & energy projects • Surveying & geodesy • Construction & infrastructure • Telecommunications • GIS professionals • General infrastructure development Particularly suitable for design and supervision of construction projects. Why Choose Survey One? • Covers core requirements for engineering fieldwork • Professional DXF output ready for AutoCAD • Fast, lightweight, and accurate • Cost-effective compared to traditional workflows • Opens large files smoothly • Does not collect user data Survey One is a reliable field-to-CAD solution for modern engineering projects.

About

QR Code Scanner · Barcode Scan

Features
Read full description

Scan any QR code or barcode instantly with the fastest QR Code Scanner and Generator app on iPhone. Whether you need to scan a product barcode, read a WiFi QR code, or create your own QR code in seconds - this app does it all. Perfect for students, professionals, small businesses, and everyday use. KEY FEATURES QR CODE SCANNER - Scan any QR code instantly using your camera - Supports URLs, WiFi, contacts, email, SMS, UPI, vCard and more - Works in low light and at any angle - Scan QR codes from photos and gallery images BARCODE SCANNER - Scan product barcodes, UPC, EAN, Code 128 and more - Instantly get product details and information - Perfect for shopping, inventory and business use QR CODE GENERATOR - Create QR codes for websites, WiFi, contacts, text and more - Generate UPI payment QR codes instantly - Share QR codes via email, messages and more - Save generated QR codes to your photo library BATCH SCANNING - Scan multiple QR codes and barcodes one after another - No need to restart - perfect for events, classrooms and businesses - Save time with continuous scanning mode SCAN HISTORY - All scanned and generated QR codes saved automatically - Quickly revisit, copy or reshare any past code - Organized history with full details of every scan EASY SHARING - Share QR codes instantly via email, messages and more - Export scan history for business use - Simple one tap sharing to any app PERFECT FOR Students and teachers - share WiFi, links and notes via QR Small businesses - scan products, share payment QR codes Event organizers - batch scan tickets quickly Professionals - share contact info via vCard QR codes Everyday use - scan restaurant menus, UPI payments and more WHY CHOOSE US 100 percent free to download Works offline - no internet needed to scan No account or login required Clean, simple interface - no confusing menus Fast and accurate - scans in under 1 second Privacy first - we collect zero user data HOW TO USE 1. Open the app and point camera at any QR code or barcode 2. Code is scanned instantly - no button to press 3. Tap Generate to create your own QR code in seconds 4. View full scan history anytime in the History tab 5. Share any QR code with one tap Download free today and scan smarter. Step 5 — Export in full HD and share on Instagram, Facebook or anywhere Privacy Policy: https://sites.google.com/view/kalkani-privacy-policy/home Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Survey One4 screens
QR Code Scanner · Barcode Scan4 screens

Verdict

The call

Survey One and QR Code Scanner · Barcode Scan are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Survey One sells 8 one-off in-app purchases and QR Code Scanner · Barcode Scan sells 3 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Survey One ships an update fortnightly, QR Code Scanner · Barcode Scan every 3 weeks. The most recent releases landed on September 6, 2026 and September 18, 2026 respectively.

ScorecardNo meaningful differences
Survey One versus QR Code Scanner · Barcode Scan: the parameters behind the verdict, then further details
ParameterSurvey OneQR Code Scanner · Barcode Scan
PriceFreeFree
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.616.0 — better
Further details — not scored
Size6 MB5 MB
Age rating12+9+
DeveloperNgoc Tung NguyenVishal Kalkani

In-app purchases

8 purchases

Survey One

One-time8
  • One-Time Export for 1–3 km Survey$1.99
  • One-Time Export for 3–5 km Survey$3.99
  • One-Time Export for 5–10 km Survey$6.99
Show 5 more
  • One-Time Export for 1–3 km Survey$12.99
  • 12 Days Plan$27.99
  • Unlimited Export – Monthly$44.99
  • Quarterly Plan$109.00
  • Premium$200.00
3 purchases

QR Code Scanner · Barcode Scan

Subscriptions2
  • Monthly Pro Access$0.491 Month
  • Yearly Pro Access$3.491 Year
One-time1
  • Lifetime Pro Access$4.99

Questions

Is Survey One free?
Survey One is free to download, with in-app purchases available.
Is QR Code Scanner · Barcode Scan free?
QR Code Scanner · Barcode Scan is free to download, with in-app purchases available.
Do Survey One or QR Code Scanner · Barcode Scan have ads?
Neither Survey One nor QR Code Scanner · Barcode Scan shows ads.
Which is updated more often, Survey One or QR Code Scanner · Barcode Scan?
Survey One ships an update fortnightly, and QR Code Scanner · Barcode Scan every 3 weeks. Most recently, Survey One was updated on September 6, 2026 and QR Code Scanner · Barcode Scan on September 18, 2026.

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