# CuCalc vs BuildWire Calc

The clearest difference is update cadence: BuildWire Calc at daily against CuCalc's every 3 weeks. BuildWire Calc also leads on device support and iOS requirement (15.0 vs 17.6). On price and in-app purchases there is nothing between them.

Both are free to download. CuCalc sells 1 one-off in-app purchase and BuildWire Calc sells 2 in-app purchases, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

CuCalc ships an update every 3 weeks, BuildWire Calc daily. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CuCalc | BuildWire Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 3 MB | 22 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ANDELKO PADOVIC](https://appshunter.io/developer/1893648829) | [SKYSEED TECH LLC](https://appshunter.io/developer/1862035221) |

## What reviewers say

### CuCalc

[App page](https://appshunter.io/ios/app/cucalc/id6762284389)

**In-app purchases (1)**

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


### BuildWire Calc

[App page](https://appshunter.io/ios/app/buildwire-calc-electrical/id6824496671)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BuildWire Pro (yearly) | $9.99 | per year |
| BuildWire Pro (lifetime) | $19.99 | one-time |


## Frequently asked questions

### Is CuCalc free?

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

### Is BuildWire Calc free?

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

### Which is updated more often, CuCalc or BuildWire Calc?

CuCalc ships an update every 3 weeks, and BuildWire Calc daily. Most recently, CuCalc was updated on October 24, 2026 and BuildWire Calc on October 31, 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.*