Comparison

Scanner Gun vs Site Calc Pro

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

Head to head
About

Scanner Gun

Efficiently scan QR codes and barcodes in batches, with options to recognize codes from photos and export results in XLSX format. Generate custom QR codes with logos and colors, and manage your scan history.

Highlights
  • Batch scanning
  • Recognize codes from photos
  • Export scan results to XLSX
  • Generate custom QR codes
  • Manage scan history
  • Share results to other apps
Read full description

Scanner Gun is a native app developed by Swift5 language. It can be used to batch scan QR code and barcode efficiently without annoying advertisements inside. Major Functions: ◎Support single scan and batch scan, and recognize code from photos ◎Support mail scan results with excel's xlsx format ◎Support generate QR code with text or contacts ◎Batch Scan support merge operation ◎Support custom your QR code with color, Logo or watermark ◎Batch Scan support manual input and export with user-defined name ◎Support share result to other applications ◎Support to manage your history scan records Code support format: EAN8, UPCE, Aztec, EAN13, ITF14, Code39, Code39Mod43, Code93, Code128, PDF417, Interleaved2of5, DataMatrix. Hope you enjoy it (●'◡'●)ノ Then if you have any advice, please comment on the app store, next version is based on what you say (・`ω´・) One more thing, to mail your scan results to specified email address, you should set up your iOS Mail account as follows . e.g, Add a gmail account: Go Settings -> Mail -> Accounts -> Add Account -> choose Google -> sign in your gmail account -> Click save button -> Done Now you can mail your results by Scanner Gun (●'◡'●)ノ

About

Site Calc Pro

Features
Read full description

Site Calc Pro is a practical construction calculator built for fast jobsite math, material estimates, layout work, and project-based calculation history. It is not just a calculator that gives you the last answer. Site Calc Pro keeps an editable tape of your work, organized by project, so you can check previous calculations, reuse entries, duplicate results, copy your tape, and come back to the numbers later. Built for real construction workflow Site Calc Pro is designed for the repeated calculations builders, contractors, carpenters, and estimators do every day. Work in familiar units, move quickly between feet-inch fractions and metric, solve practical layout and estimating problems, and keep an editable record of your calculations by project. One paid app purchase. No subscription. CALC + TAPE WORKFLOW Site Calc Pro is built around two main sections: Calc Fast construction calculator input for dimensions, units, layouts, materials, roofing, stairs, shapes, costs, wastage, and conversions. Tape A project-based tape where your calculations can be reviewed, edited, duplicated, saved, copied, and organized instead of being lost after the next calculation. CONSTRUCTION CALCULATOR FEATURES • Feet-inch-fraction math • Metric entry and conversions • Decimal, fraction, square, cubic, weight, area, and volume calculations • Length, width, and height stored dimensions • Area, volume, perimeter, wall area, room area, and square-up workflows • Cost, percent, wastage, board feet, and material estimating tools • Weight/volume and density calculations • Memory, save, autosave, and project-based tape history ROOFING, RAFTERS AND FRAMING • Pitch, rise, run, and diagonal calculations • Angle, grade, ratio, plumb, and level outputs • Common rafter calculations • Hip/valley and jack rafter calculations • Irregular pitch and irregular jack rafter workflows • Roof area and roof covering estimates • Rake wall and arched wall calculations • On-center spacing support for layout work STAIRS, SHAPES AND LAYOUT • Stair layout calculations • Risers, treads, stringers, total rise, and run workflows • Circle and arc calculations • Polygon calculations • Column and cone area/volume calculations • Crown / compound miter calculations • Degree and DMS conversion support MATERIALS AND ESTIMATES Site Calc Pro includes practical estimating tools for common construction materials and quantities, including: • Drywall • Tile • Paint • Brick and block • Flooring • Fence panels • Posts • Studs • Roofing coverage • Concrete, gravel, and material weight estimates • User-set coverage, spacing, and density values where applicable BUILT-IN HELP Many buttons include long-press help with examples, key sequences, notes, and output explanations. Advanced functions are explained inside the app, so you can learn the workflow without leaving the calculator. WHY USE SITE CALC PRO? Construction math is often not difficult because you do not know the formula. It is difficult because you are busy, interrupted, switching units, checking estimates, repeating similar calculations, and trying not to lose track of the numbers. Site Calc Pro is built to make that work faster and clearer. Calculate in feet-inch fractions or metric. Solve practical construction layouts and estimates. Save the working, not just the result. From the developer of Construction Calc Pro, Site Calc Pro is a serious paid utility for builders, carpenters, contractors, estimators, tradespeople, and anyone who needs dependable construction calculations on their phone.

Screenshots

Scanner Gun4 screens
Site Calc Pro4 screens

Verdict

The call

The clearest difference is update cadence: Site Calc Pro at daily against Scanner Gun's every 4 months. Scanner Gun's advantage is iOS requirement (13.0 vs 15.6). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Scanner Gun ships an update every 4 months, Site Calc Pro daily. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 6 level
Scanner Gun versus Site Calc Pro: the parameters behind the verdict, then further details
ParameterScanner GunSite Calc Pro
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 4 monthsDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.6
Further details — not scored
Size26 MB85 MB
Age rating4+4+
Developer浩 彭Troy Knight

In-app purchases

None

Scanner Gun

No in-app purchases

None

Site Calc Pro

No in-app purchases

Questions

Is Scanner Gun free?
Scanner Gun is free to download, with no in-app purchases.
Is Site Calc Pro free?
Site Calc Pro is free to download, with no in-app purchases.
Do Scanner Gun or Site Calc Pro have ads?
Neither Scanner Gun nor Site Calc Pro shows ads.
Which is updated more often, Scanner Gun or Site Calc Pro?
Scanner Gun ships an update every 4 months, and Site Calc Pro daily. Most recently, Scanner Gun was updated on November 2, 2026 and Site Calc Pro on November 5, 2026.

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