Comparison

Customs Duty Verification vs Construction & Interior Calc

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

Head to head
About

Customs Duty Verification

Features
Read full description

General Department of Customs and Excise of Cambodia (GDCE) presents its strong commitment to protect and facilitate all stakeholders involving trade. Vehicle importation document is the only document to prove the legal importation into the Kingdom of Cambodia. This app will serve as a verification tool for everyone to verify if the vehicle importation document is valid. You can also report any irregularities to GDCE through the app anywhere and anytime in order that GDCE is able take actions promptly. Thank you for using the app.

About

Construction & Interior Calc

Features
Read full description

Construction Calculator Pro is the all-in-one OFFLINE toolkit for civil engineers, contractors, architects, interior designers, site supervisors, quantity surveyors and homeowners. Stop juggling formulas on site. Get instant, accurate quantities and costs even with zero signal. CIVIL ENGINEERING • Concrete volume, cement bags, sand & aggregate by mix ratio • Brick, block & plaster calculators with mortar and wastage • Steel weight (d²/162), rebar mesh, RCC, slab, beam, column • Stair design, foundation, excavation with truck trips FLOORING & TILES • Tile quantity, layout & spacing planners • Grout, marble, vinyl, wooden flooring, carpet, skirting PAINT & FINISHING • Wall & ceiling paint litres, primer, putty, texture • Complete paint job cost with labor ROOFING • Roof area with pitch, roof sheets, trusses, shingles, waterproofing PLUMBING & ELECTRICAL • Pipe size, flow, volume; rectangular & cylindrical tank capacity • Load, breaker & cable size selection, power consumption, electricity cost COST ESTIMATION • Material cost with YOUR local prices (built-in price book) • Labor cost, contractor quote with overhead & profit • Cost per sq ft, budget planner, profit margin PROJECT MANAGEMENT • Unlimited projects with client, site & notes • Save any calculation to a project — running total cost • Share professional estimates as PDF or text MORE • Unit converter: length, area, volume, weight, temperature & more • Favorites with drag-to-reorder, calculation history, global search • Dark mode, tablet support, adjustable units, currency & precision • 100% offline • No account • No data collection Built for the job site: fast, accurate, always available. Privacy Policy : https://docs.google.com/document/d/e/2PACX-1vS45i5SXjc2HCOjaIP2WbISeEQun4acdeaPv_tgvWY4k5Rck04_oO3Sc2d4h3Xrae_mkmFJp-xqwaoR/pub Terms of Use (EULA) : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ (Apple's standard EULA)

Screenshots

Customs Duty Verification3 screens
Construction & Interior Calc4 screens

Verdict

The call

The clearest difference is in-app purchases: Customs Duty Verification at none against Construction & Interior Calc's 1. Customs Duty Verification also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Construction & Interior Calc sells 1 in-app purchase, starting at $2.99 per month. Customs Duty Verification asks for nothing beyond the download.

UpkeepUpdate frequency

Customs Duty Verification ships an update monthly, Construction & Interior Calc every 5 weeks. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard2 real differences Ā· 4 level
Customs Duty Verification versus Construction & Interior Calc: the parameters behind the verdict, then further details
ParameterCustoms Duty VerificationConstruction & Interior Calc
PriceFreeFree
Update frequencyMonthly — betterEvery 5 weeks
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size61 MB27 MB
Age rating4+4+
DeveloperGeneral Department of Customs and Excise of CambodiaAli Hamza

In-app purchases

None

Customs Duty Verification

No in-app purchases

1 purchases

Construction & Interior Calc

Subscriptions1
  • BuildCalc Premium Monthly$2.991 Month

Questions

Is Customs Duty Verification free?
Customs Duty Verification is free to download, with no in-app purchases.
Is Construction & Interior Calc free?
Construction & Interior Calc is free to download, with in-app purchases available.
Do Customs Duty Verification or Construction & Interior Calc have ads?
Neither Customs Duty Verification nor Construction & Interior Calc shows ads.
Which is updated more often, Customs Duty Verification or Construction & Interior Calc?
Customs Duty Verification ships an update monthly, and Construction & Interior Calc every 5 weeks. Most recently, Customs Duty Verification was updated on November 2, 2026 and Construction & Interior Calc on October 31, 2026.

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