# Builder Calculator — Field estimates, units & PDF

> Field estimates, units & PDF (iPhone/iPad app by Tianjin Chenwi Technology Co., Ltd.)

- Source: https://appshunter.io/ios/app/builder-calculator/id6802161536 (this page in markdown: same URL + `.md`)
- Developer: [Tianjin Chenwi Technology Co., Ltd](https://appshunter.io/developer/6791138424)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 30 MB
- Languages: American English
- Released: 2026-09-09
- Data updated: 2026-09-21
- User reviews in markdown: https://appshunter.io/ios/app/builder-calculator/id6802161536/reviews.md

## What is Builder Calculator?

Builder Calculator brings the calculations used on real jobsites into one focused, easy-to-read app. Convert measurements, estimate common materials, and keep each job organized without switching between spreadsheets, notes, and separate calculators.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Builder Calculator Pro | $8.99 | one-time |



## Version history (last 1 release)

### 1.0.0 — 2026-09-09

No release notes.

## More apps by Tianjin Chenwi Technology Co., Ltd

- [课流](https://appshunter.io/ios/app/id6791138422)
- [海豚记账本](https://appshunter.io/ios/app/id6791388813)
- [拾光归档](https://appshunter.io/ios/app/id6792963787)
- [Field Report Maker](https://appshunter.io/ios/app/field-report-maker/id6802159904)
- [Photo Toolkit Pro](https://appshunter.io/ios/app/photo-toolkit-pro/id6802160972)

All apps by Tianjin Chenwi Technology Co., Ltd: https://appshunter.io/developer/6791138424

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*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 2026-09-21.*