# LPI App vs Unit Ⅽonverter

The clearest difference is review sentiment: LPI App at 100% against Unit Ⅽonverter's 25%. LPI App also leads on in-app purchases (none vs 2) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Unit Ⅽonverter sells 2 in-app purchases, starting at $1.99 per month. LPI App asks for nothing beyond the download.

LPI App ships an update every 6 weeks, Unit Ⅽonverter every 3 weeks. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | LPI App | Unit Ⅽonverter |
| --- | --- | --- |
| 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** | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 234 MB | 8 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lightning Protection International](https://appshunter.io/developer/1180461682) | [Polymath Company Limited](https://appshunter.io/developer/1072350394) |

## 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


### Unit Ⅽonverter

[App page](https://appshunter.io/ios/app/unit-onverter/id1499479393)

Easily convert between over 1600 units of measurement across 75 categories, including custom units and complex calculations. Supports offline mode and offers a convenient history of your conversions.

**Highlights:** Convert over 1600 units in 75 categories, Supports custom units and combinations, Calculator for expression input, View conversion histories, Add favorite units, Offline mode, Copy and share results

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UnitConverterPremiumMonthly | $1.99 | per month |
| UnitConverterPremiumLifeTime | $33.99 | one-time |


## Frequently asked questions

### Is LPI App free?

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

### Is Unit Ⅽonverter free?

Unit Ⅽonverter is free to download, with in-app purchases available.

### Do LPI App or Unit Ⅽonverter have ads?

Unit Ⅽonverter shows ads; LPI App does not.

### Which is updated more often, LPI App or Unit Ⅽonverter?

LPI App ships an update every 6 weeks, and Unit Ⅽonverter every 3 weeks. Most recently, LPI App was updated on October 7, 2026 and Unit Ⅽonverter on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*