# Construction Calculator vs Baluster Studio

The clearest difference is update cadence: Baluster Studio at daily against Construction Calculator's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Construction Calculator sells 12 in-app purchases, starting at $2.99 per 7 days and Baluster Studio sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Construction Calculator ships an update fortnightly, Baluster Studio daily. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Construction Calculator | Baluster Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (22 ratings)](https://appshunter.io/ios/app/construction-calculator-pro/id6753908597/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 27 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Shapkin Dev](https://appshunter.io/developer/1845645309) | [威臻 闫](https://appshunter.io/developer/1861990693) |

## What reviewers say

### Construction Calculator

[App page](https://appshunter.io/ios/app/construction-calculator-pro/id6753908597)

This app provides a comprehensive suite of tools for construction professionals and DIY enthusiasts. It offers precise calculations for decking, roofing, stairs, concrete, and more, with support for both metric and imperial units. Designed for jobsite use, it works offline and provides clear visuals for accurate on-site measurements.

**Highlights:** Decking and flooring calculations, Roofing material and coverage estimators, Stair and stringer rise/run calculations, Concrete, asphalt, and gravel volume estimators, Slope, pitch, and angle framing helpers, Unit converter with mixed-unit support, Offline functionality

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Carpenter PRO - Weekly | $2.99 | per 7 days |
| Carpenter PRO — Annual | $19.99 | per year |
| RL Level & Benchmark Calculator | $3.99 | one-time |
| Gravel Volume Calculator | $3.99 | one-time |
| Stair Stringer & Rise Run Calc | $3.99 | one-time |
| Soil Excavation Volume Calculator | $3.99 | one-time |
| Asphalt Tonnage Calculator | $3.99 | one-time |
| Right Triangle & Pitch Calculator | $3.99 | one-time |
| Running Measurements Calculator | $3.99 | one-time |
| Unit Converter: Feet & Metric | $3.99 | one-time |
| Paint Area Coverage Estimator | $3.99 | one-time |
| Lifetime Access | $39.99 | one-time |


### Baluster Studio

[App page](https://appshunter.io/ios/app/baluster-studio/id6774924612)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Baluster Studio Lifetime | $5.99 | one-time |


## Frequently asked questions

### Is Construction Calculator free?

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

### Is Baluster Studio free?

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

### Do Construction Calculator or Baluster Studio have ads?

Neither Construction Calculator nor Baluster Studio shows ads.

### Which is updated more often, Construction Calculator or Baluster Studio?

Construction Calculator ships an update fortnightly, and Baluster Studio daily. Most recently, Construction Calculator was updated on October 12, 2026 and Baluster Studio on October 7, 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.*