AcuiZen vs Construction Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AcuiZen
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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.
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.
- Offline material estimation
- Calculates 8 key materials
- Feet-Inch-Fraction input
- Imperial & Metric units
- Local data storage
- No subscriptions or ads
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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
Verdict
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
Both are free to download. Construction Calc sells 1 one-off in-app purchase. AcuiZen asks for nothing beyond the download.
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.
| Parameter | AcuiZen | Construction Calc |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 11 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 36 MB | 3 MB |
| Age rating | 4+ | 17+ |
| Developer | ACUIZEN TECHNOLOGIES SINGAPORE PTE. LTD. | Konstantin Khoroshun |
In-app purchases
AcuiZen
No in-app purchases
Construction Calc
- Pro Features$0.99
Questions
Is AcuiZen free?
Is Construction Calc free?
Do AcuiZen or Construction Calc have ads?
Which is updated more often, AcuiZen or Construction Calc?
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