# Mila's Unit Converter PRO vs 小灵龙App

The clearest difference is review sentiment: Mila's Unit Converter PRO at 90% against 小灵龙App's 33%. Mila's Unit Converter PRO also leads on rating (4.8 vs 1.0) and ads (none vs shown). 小灵龙App's advantage is price (Free vs $9.99) and iOS requirement (9.0 vs 17.6). On in-app purchases and device support there is nothing between them.

小灵龙App is free to download; Mila's Unit Converter PRO costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mila's Unit Converter PRO holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Mila's Unit Converter PRO has 1K ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 90% of Mila's Unit Converter PRO's written reviews are positive against 33% of 小灵龙App's.

Mila's Unit Converter PRO ships an update every 4 days, 小灵龙App monthly. Both last shipped on September 22, 2026.

## The numbers

| Metric | Mila's Unit Converter PRO | 小灵龙App |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.8 (1K ratings)](https://appshunter.io/ios/app/milas-unit-converter-pro/id407157906/reviews)** | [1.0 (12 ratings)](https://appshunter.io/ios/app/app/id1221738240/reviews) |
| Number of ratings | **1K** | 12 |
| Positive reviews | **89.6% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Monthly |
| Monetization | Paid | **Free** |
| Size | 5 MB | 157 MB |
| Requires iOS | 17.6 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Scott DeSapio](https://appshunter.io/developer/403110618) | [北京新中新诚通信息技术股份有限公司](https://appshunter.io/developer/736575065) |

## 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


### 小灵龙App

[App page](https://appshunter.io/ios/app/app/id1221738240)

This app provides comprehensive mobile services for campus cards, including traditional card functions like consumption and authentication, enhanced with QR code capabilities. It offers features for managing your campus card, paying various campus fees, and booking campus facilities.

**Highlights:** Campus card management, QR code functionality, Campus fee payments, Facility booking, Card application and registration

**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 小灵龙App free?

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

### Which has better reviews, Mila's Unit Converter PRO or 小灵龙App?

Mila's Unit Converter PRO is rated higher. Mila's Unit Converter PRO averages 4.8 out of 5 from 1K ratings, while 小灵龙App averages 1.0 from 12 ratings.

### Do Mila's Unit Converter PRO or 小灵龙App have ads?

小灵龙App shows ads; Mila's Unit Converter PRO does not.

### Which is updated more often, Mila's Unit Converter PRO or 小灵龙App?

Mila's Unit Converter PRO ships an update every 4 days, and 小灵龙App monthly. Most recently, Mila's Unit Converter PRO was updated on September 22, 2026 and 小灵龙App on September 22, 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.*