# LPI App vs SparkyToolkit

The clearest difference is in-app purchases: LPI App at none against SparkyToolkit's 1. LPI App also leads on device support (3 vs 1). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. SparkyToolkit sells 1 in-app purchase, starting at $4.99 per month. LPI App asks for nothing beyond the download.

LPI App ships an update every 6 weeks, SparkyToolkit every 5 weeks. The most recent releases landed on June 4, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | LPI App | SparkyToolkit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/lpi-app/id1180461683/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 234 MB | 49 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lightning Protection International](https://appshunter.io/developer/1180461682) | [Jack Dempsey](https://appshunter.io/developer/1870827941) |

## What reviewers say

### LPI App

[App page](https://appshunter.io/ios/app/lpi-app/id1180461683)

This utility app connects with specific Bluetooth devices and controllers to track and display historical and current status information. It provides insights into key attributes monitored by the connected hardware.

**Highlights:** Monitors historical status, Tracks current status, Works with LPI Bluetooth devices, Supports AIM controllers, Displays key attributes

**Features:** macOS Compatibility

**In-app purchases:** none


### SparkyToolkit

[App page](https://appshunter.io/ios/app/sparkytoolkit/id6758096515)

This app provides electricians with essential digital tools for site work, including calculators for electrical calculations, test record management, and quick reference to wiring standards. It also allows for capturing and annotating site plans.

**Highlights:** Electrical calculators (Ohm's Law, Cable Sizing, Voltage Drop), Test record creation and management, PDF/Excel export for compliance, AS/NZS 3000 Wiring Rules reference, Site plan capture and annotation, Offset bend calculator

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cobber Pro | $4.99 | per month |


## Frequently asked questions

### Is LPI App free?

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

### Is SparkyToolkit free?

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

### Do LPI App or SparkyToolkit have ads?

Neither LPI App nor SparkyToolkit shows ads.

### Which is updated more often, LPI App or SparkyToolkit?

LPI App ships an update every 6 weeks, and SparkyToolkit every 5 weeks. Most recently, LPI App was updated on June 4, 2026 and SparkyToolkit on September 8, 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.*