# BauKalk - Construction Calc — Concrete, Tiles, Stairs & more

> Concrete, Tiles, Stairs & more (iPhone/iPad app by Adrian Lazariuc-Hadrava.)

- Source: https://appshunter.io/ios/app/baukalk-construction-calc/id6761668004 (this page in markdown: same URL + `.md`)
- Developer: [Adrian Lazariuc-Hadrava](https://appshunter.io/developer/796900037)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 4 MB
- Languages: American English, German (Germany)
- Released: 2026-04-09
- Data updated: 2026-06-19
- User reviews in markdown: https://appshunter.io/ios/app/baukalk-construction-calc/id6761668004/reviews.md

## What is BauKalk?

BauKalk is the construction calculator for professionals and DIY builders.

20 specialized calculators with visual technical diagrams — everything you need on the job site, right on your iPhone. Works offline, metric, DIN-compliant.

FREE CALCULATORS:
• Concrete — Volume, mix ratio, bags (C25/30, DIN 1045-2)
• Tiles — Count, waste, layout plan, cost calculator
• Stairs — Rise, tread, step measure (DIN 18065)
• Gravel & Aggregate — Volume and weight for 7 materials
• Angle Calculator — 3-4-5 method, check square
• Pool Volume — Rectangle, round and oval

PRO CALCULATORS (€6.99/year or €19.99 lifetime):
• Unit Converter • Rebar • Paint • Masonry • Roof • Screed • Foundation • Drywall • Patio • Electrical • Heating Load • Wallpaper • Asphalt • Wood Beam

WHY BAUKALK:
• Visual diagrams — See what you're building
• 100% Offline — No internet needed
• DIN Standards — DIN 18065, DIN 1045-2, DIN EN 1997
• PDF Export — Save and share results
• Shopping List — Copy and send via WhatsApp
• No Ads — Ever
• Calculation History — Last 20 calculations at your fingertips
• German & English — Fully bilingual

BauKalk Pro: €6.99/year or €19.99 lifetime.
7-day free trial.

BauKalk Pro Subscription:
• Yearly: €6.99/year — auto-renews unless cancelled at least 24 hours before the end of the current period.
• Lifetime: €19.99 — one-time purchase, no subscription.
• 7-day free trial for the yearly subscription.
• Payment is charged to your Apple ID account. Manage and cancel in your Apple ID account settings.

Privacy: BauKalk does not collect any personal data.
Terms of Use: https://baukalk.app/nutzungsbedingungen
Privacy Policy: https://baukalk.app/datenschutz
Support: pixeyo@gmail.com
Web: https://baukalk.app

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| BauKalk Pro Jährlich | $5.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| BauKalk Pro Lebenslang | $17.99 | one-time |



## Version history (last 1 release)

### 1.1.0 — 2026-04-09

No release notes.

## More apps by Adrian Lazariuc-Hadrava

- [HD Retina Wallpapers for iOS](https://appshunter.io/ios/app/hd-retina-wallpapers-for-ios/id796900034)

All apps by Adrian Lazariuc-Hadrava: https://appshunter.io/developer/796900037

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-19.*