# Unit Ⅽonverter vs Scout/DP Bluetooth

The clearest difference is in-app purchases: Scout/DP Bluetooth at none against Unit Ⅽonverter's 2. Scout/DP Bluetooth also leads on ads (none vs shown) and iOS requirement (15.0 vs 18.0). Unit Ⅽonverter's advantage is update cadence (every 3 weeks vs every 19 months). On price 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. Scout/DP Bluetooth asks for nothing beyond the download.

Unit Ⅽonverter ships an update every 3 weeks, Scout/DP Bluetooth every 19 months. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Unit Ⅽonverter | Scout/DP Bluetooth |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 19 months |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 6 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Polymath Company Limited](https://appshunter.io/developer/1072350394) | [E.H. Price](https://appshunter.io/developer/589841883) |

## What reviewers say

### 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 |


### Scout/DP Bluetooth

[App page](https://appshunter.io/ios/app/scoutdp-bluetooth/id6447211181)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Unit Ⅽonverter free?

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

### Is Scout/DP Bluetooth free?

Scout/DP Bluetooth is free to download, with no in-app purchases.

### Do Unit Ⅽonverter or Scout/DP Bluetooth have ads?

Unit Ⅽonverter shows ads; Scout/DP Bluetooth does not.

### Which is updated more often, Unit Ⅽonverter or Scout/DP Bluetooth?

Unit Ⅽonverter ships an update every 3 weeks, and Scout/DP Bluetooth every 19 months. Most recently, Unit Ⅽonverter was updated on October 12, 2026 and Scout/DP Bluetooth on October 7, 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.*