# BuildMate Calc vs KerfSmart Carpentry Calculator

BuildMate Calc and KerfSmart Carpentry Calculator are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. BuildMate Calc sells 1 one-off in-app purchase and KerfSmart Carpentry Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

BuildMate Calc ships an update every 3 days, KerfSmart Carpentry Calculator every 2 days. The most recent releases landed on October 26, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | BuildMate Calc | KerfSmart Carpentry Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/kerfsmart-carpentry-calculator/id6817965236/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | — | Freemium |
| Size | 6 MB | 2 MB |
| Requires iOS | 17 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [航 杨](https://appshunter.io/developer/6787501162) | [Dylan McCaffrey](https://appshunter.io/developer/6817965238) |

## What reviewers say

### BuildMate Calc

[App page](https://appshunter.io/ios/app/buildmate-calc/id6805740885)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BuildMate Calc Pro | $4.99 | one-time |


### KerfSmart Carpentry Calculator

[App page](https://appshunter.io/ios/app/kerfsmart-carpentry-calculator/id6817965236)

This app simplifies carpentry calculations by allowing users to input measurements in feet, inches, and fractions, just like a tape measure. It optimizes material usage for lumber and plywood, and offers specialized tools for various woodworking projects.

**Highlights:** Tape-measure style input (feet, inches, fractions), Cut list optimization for lumber and plywood, Material waste reduction, Circular saw guide, Specialized shop tools (stairs, rafters, stud layout), Scan handwritten cut lists, Printable/shareable project plans

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KerfSmart Pro | $9.99 | one-time |


## Frequently asked questions

### Is BuildMate Calc free?

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

### Is KerfSmart Carpentry Calculator free?

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

### Do BuildMate Calc or KerfSmart Carpentry Calculator have ads?

Neither BuildMate Calc nor KerfSmart Carpentry Calculator shows ads.

### Which is updated more often, BuildMate Calc or KerfSmart Carpentry Calculator?

BuildMate Calc ships an update every 3 days, and KerfSmart Carpentry Calculator every 2 days. Most recently, BuildMate Calc was updated on October 26, 2026 and KerfSmart Carpentry Calculator on November 6, 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.*