Comparison

Scanner vs Boiler Calculator

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

Head to head
About

Scanner

Instantly scan multi-page documents and send them digitally when a physical scanner isn't available. Capture anything from receipts to books, with features for cropping, brightness adjustment, and saving in color or grayscale. Share via email or print directly.

Highlights
  • Scan multi-page documents
  • Capture whiteboards, receipts, business cards
  • Crop and remove unnecessary parts
  • Adjust brightness for low light
  • Save in color or grayscale
  • Share via email
  • Print via AirPrint
Features
Read full description

DocScan-Free lets you instantly scan multi-pages document and send out when there is no scanner nearby. By having it, you can scan not only documents in sight, but also whiteboards, receipts, business cards, posters, coupons, books ...etc. -Scanner work with any doc and make fit with screen size -Crop doc and remove unnecessary part -Adjust brightness if taken in low light. -Save copy two way color or grey scale -Easy to use with cam and existing Photo gallery -Share via email also print via air print -Take up to 10 pages in single doc -Create unlimited number of doc

About

Boiler Calculator

This utility app helps boilermakers quickly calculate boiler facing areas and trace complex cylindrical curves. It simplifies intricate measurements, saving time and materials for professionals.

Highlights
  • Calculate boiler facing area
  • Trace cylindrical curves
  • Handle 90ยฐ intersections
  • Streamline complex measurements
  • Intuitive user interface
  • In-app guidance
Features
Read full description

This simple yet highly useful application, designed for calculating the boiler's facing area, streamlines and accelerates tasks for boilermakers. The app enables boilermakers to work more efficiently, supporting calculations that range from designing a basic cone layout to tracing complex cylindrical curves with 90ยฐ intersections. Typically, tracing these pieces requires uncovering numerous hidden measurements, which involve time-consuming and complex calculations, often resulting in wasted time and materials. With this app, time is greatly reduced. In just a few seconds and clicks, users can easily determine measurements with a few simple inputs. The appโ€™s interface is designed to be quick and intuitive, ensuring ease of use. A help icon provides guidance for new users, answering questions and assisting in navigating the app smoothly.

Screenshots

Scanner4 screens
Boiler Calculator4 screens

Verdict

The call

The clearest difference is price: Scanner at Free against Boiler Calculator's $3.99. Boiler Calculator's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.0). On review sentiment, update cadence, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Scanner is free to download; Boiler Calculator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Scanner ships an update every 51 months, Boiler Calculator every 35 months. Both last shipped on November 2, 2026.

Scorecard4 real differences ยท 4 level
Scanner versus Boiler Calculator: the parameters behind the verdict, then further details
ParameterScannerBoiler Calculator
PriceFree โ€” better$3.99
Positive reviews0.0% of reviews0.0% of reviews
Update frequencyEvery 51 monthsEvery 35 months โ€” better
AdsYesNo โ€” better
In-app purchasesNoNo
MonetizationAd-supported โ€” betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 โ€” better
Further details โ€” not scored
Size25 MB2 MB
Age rating4+4+
DeveloperAishvarya SadasivamBhavinkumar Satashiya

Customer experience

Scanner

Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Boiler Calculator

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Scanner

No in-app purchases

None

Boiler Calculator

No in-app purchases

Questions

Is Scanner free?
Scanner is free to download, with no in-app purchases.
Is Boiler Calculator free?
Boiler Calculator costs $3.99, with no in-app purchases.
Do Scanner or Boiler Calculator have ads?
Scanner shows ads; Boiler Calculator does not.
Which is updated more often, Scanner or Boiler Calculator?
Scanner ships an update every 51 months, and Boiler Calculator every 35 months. Most recently, Scanner was updated on November 2, 2026 and Boiler Calculator on November 2, 2026.

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