# Mila's Unit Converter PRO vs Length

The clearest difference is price: Length at $0.99 against Mila's Unit Converter PRO's $9.99. Length also leads on iOS requirement (12.0 vs 17.6). Mila's Unit Converter PRO's advantage is update cadence (every 4 days vs every 11 months). On ads, in-app purchases and device support there is nothing between them.

Mila's Unit Converter PRO costs $9.99 and Length $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mila's Unit Converter PRO ships an update every 4 days, Length every 11 months. The most recent releases landed on October 21, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Mila's Unit Converter PRO | Length |
| --- | --- | --- |
| Price | $9.99 | **$0.99** |
| Rating | **[4.8 (1K ratings)](https://appshunter.io/ios/app/milas-unit-converter-pro/id407157906/reviews)** | — |
| Number of ratings | **1K** | — |
| Positive reviews | 89.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 11 months |
| Monetization | Paid | — |
| Size | 5 MB | 34 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Scott DeSapio](https://appshunter.io/developer/403110618) | [Piet Jonas](https://appshunter.io/developer/288060167) |

## What reviewers say

### Mila's Unit Converter PRO

[App page](https://appshunter.io/ios/app/milas-unit-converter-pro/id407157906)

Effortlessly convert between hundreds of units across 26 essential categories with this precision calculator. Designed for speed and simplicity, it offers accurate results in seconds for students, professionals, and travelers alike. Enjoy offline functionality and a customizable experience.

**Highlights:** Hundreds of units across 26 categories, Metric, imperial, and specialized units, Smart conversions for temperature, fuel, and more, Customizable categories, units, and number formats, Intuitive search and offline functionality, Conversions happen as you type

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

**In-app purchases:** none


### Length

[App page](https://appshunter.io/ios/app/length/id512188088)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mila's Unit Converter PRO free?

Mila's Unit Converter PRO costs $9.99, with no in-app purchases.

### Is Length free?

Length costs $0.99, with no in-app purchases.

### Do Mila's Unit Converter PRO or Length have ads?

Neither Mila's Unit Converter PRO nor Length shows ads.

### Which is updated more often, Mila's Unit Converter PRO or Length?

Mila's Unit Converter PRO ships an update every 4 days, and Length every 11 months. Most recently, Mila's Unit Converter PRO was updated on October 21, 2026 and Length on October 18, 2026.

---

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