# Electrical calculation vs BoltSpec Pro

The clearest difference is price: Electrical calculation at Free against BoltSpec Pro's $1.99. Electrical calculation also leads on iOS requirement (12.0 vs 17.0). BoltSpec Pro's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

Electrical calculation is free to download; BoltSpec Pro costs $1.99 up front. Electrical calculation sells 1 one-off in-app purchase. BoltSpec Pro asks for nothing beyond the download.

## The numbers

| Metric | Electrical calculation | BoltSpec Pro |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 44 MB | 2 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shital Gorasiya](https://appshunter.io/developer/1737199158) | [Qixin Net (Beijing) Technology Co., Ltd.](https://appshunter.io/developer/1886626064) |

## What reviewers say

### Electrical calculation

[App page](https://appshunter.io/ios/app/electrical-calculation/id6741321759)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $9.99 | one-time |


### BoltSpec Pro

[App page](https://appshunter.io/ios/app/boltspec-pro/id6762735091)

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

**In-app purchases:** none


## Frequently asked questions

### Is Electrical calculation free?

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

### Is BoltSpec Pro free?

BoltSpec Pro costs $1.99, with no in-app purchases.

### Do Electrical calculation or BoltSpec Pro have ads?

Neither Electrical calculation nor BoltSpec Pro shows ads.

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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.*