Comparison

AcuiZen vs Construction Calc

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

Head to head
About

AcuiZen

Features
Read full description

AcuiZen is a configurable “SuperApp for Work” with targeted interventions to assist individuals in bridging their “Learning-Performance” gap and thereby leading to enhanced Quality, Safety, Productivity and Profitability. AcuiZen is built to be flexible and suitable for multiple end-applications and customization as needed.

About

Construction Calc

This offline calculator helps construction professionals and DIYers quickly estimate materials for various projects. It supports imperial and metric units, and all calculations are stored locally for privacy. No internet connection is required.

Highlights
  • Offline material estimation
  • Calculates 8 key materials
  • Feet-Inch-Fraction input
  • Imperial & Metric units
  • Local data storage
  • No subscriptions or ads
Features
Read full description

The only offline calculator you need on the job site. No internet? No problem. Contractor Calc works 100% offline — so you get fast, accurate material estimates right when you need them. Estimate 8 key materials in seconds: Concrete (slabs, footings) Drywall (sheets with waste) Paint (gallons & liters) Roofing (squares with pitch) Gravel & Mulch (cubic yards/m³) Tile (tiles with cuts) Insulation (ft²/m²) Stairs (riser, tread, stringer) Built for pros, trusted by contractors: • Feet-Inch-Fraction Input — enter 12' 6" like you measure • Imperial & Metric — switch units in Settings • No subscriptions. No ads. No cloud. • All calculations stored locally — your data stays private Perfect for: • Residential & commercial contractors • Carpenters, framers, roofers, painters • DIYers tackling big projects • Estimators preparing bids Join thousands of builders who ditched spreadsheets and paper calculators. Get precise, professional results — every time.

Screenshots

AcuiZen4 screens
Construction Calc3 screens

Verdict

The call

The clearest difference is in-app purchases: AcuiZen at none against Construction Calc's 1. AcuiZen also leads on update cadence (every 11 days vs every 3 months) and iOS requirement (13.0 vs 15.6). On price, ads 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. Construction Calc sells 1 one-off in-app purchase. AcuiZen asks for nothing beyond the download.

UpkeepUpdate frequency

AcuiZen ships an update every 11 days, Construction Calc every 3 months. The most recent releases landed on October 3, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 6 level
AcuiZen versus Construction Calc: the parameters behind the verdict, then further details
ParameterAcuiZenConstruction Calc
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 11 days — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size36 MB3 MB
Age rating4+17+
DeveloperACUIZEN TECHNOLOGIES SINGAPORE PTE. LTD.Konstantin Khoroshun

In-app purchases

None

AcuiZen

No in-app purchases

1 purchases

Construction Calc

One-time1
  • Pro Features$0.99

Questions

Is AcuiZen free?
AcuiZen is free to download, with no in-app purchases.
Is Construction Calc free?
Construction Calc is free to download, with in-app purchases available.
Do AcuiZen or Construction Calc have ads?
Neither AcuiZen nor Construction Calc shows ads.
Which is updated more often, AcuiZen or Construction Calc?
AcuiZen ships an update every 11 days, and Construction Calc every 3 months. Most recently, AcuiZen was updated on October 3, 2026 and Construction Calc on October 28, 2026.

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