# ProX1Lite vs BuildCalc

The clearest difference is in-app purchases: ProX1Lite at none against BuildCalc's 3. ProX1Lite also leads on ads (none vs shown) and update cadence (every 5 weeks vs every 4 months). On price and device support there is nothing between them.

Both are free to download. BuildCalc sells 3 in-app purchases, starting at $4.99 per month. ProX1Lite asks for nothing beyond the download.

ProX1Lite ships an update every 5 weeks, BuildCalc every 4 months. The most recent releases landed on September 17, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | ProX1Lite | BuildCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/buildcalc-contractor-estimate/id6765501255/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 80 MB | 12 MB |
| Requires iOS | **13.0** | 17 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [润葵 叶](https://appshunter.io/developer/1581973824) | [Farah Aydoni](https://appshunter.io/developer/1887393999) |

## What reviewers say

### ProX1Lite

[App page](https://appshunter.io/ios/app/prox1lite/id6742864427)

**Features:** macOS Compatibility

**In-app purchases:** none


### BuildCalc

[App page](https://appshunter.io/ios/app/buildcalc-contractor-estimate/id6765501255)

This app provides 56 construction calculators across 13 trades, helping contractors measure, price, and create client-ready estimates directly from the job site. It supports various measurement units and includes waste factors and cost editing for accurate material and labor calculations.

**Highlights:** 56 construction calculators across 13 trades, Supports feet, inches, fractions, and metric units, Adjustable waste factors and editable cost lines, Project saving and client estimate generation, PDF export with logo, Reference tables for building codes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly: All Calculators | $4.99 | per month |
| Pro Yearly: Estimates & PDF | $29.99 | per year |
| Pro Lifetime: All Trades & PDF | $49.99 | one-time |


## Frequently asked questions

### Is ProX1Lite free?

ProX1Lite is free to download, with no in-app purchases.

### Is BuildCalc free?

BuildCalc is free to download, with in-app purchases available.

### Do ProX1Lite or BuildCalc have ads?

BuildCalc shows ads; ProX1Lite does not.

### Which is updated more often, ProX1Lite or BuildCalc?

ProX1Lite ships an update every 5 weeks, and BuildCalc every 4 months. Most recently, ProX1Lite was updated on September 17, 2026 and BuildCalc on September 22, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*