# Butler Pro vs Unit Converter 單位換算

The clearest difference is in-app purchases: Unit Converter 單位換算 at none against Butler Pro's 3. Butler Pro's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (9.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Butler Pro sells 3 one-off in-app purchases. Unit Converter 單位換算 asks for nothing beyond the download.

Butler Pro ships an update every 3 weeks, Unit Converter 單位換算 every 2 months. Both last shipped on October 19, 2026.

## The numbers

| Metric | Butler Pro | Unit Converter 單位換算 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/unit-converter/id1607242875/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 81 MB | 22 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Butler at Your Service Inc.](https://appshunter.io/developer/1053162678) | [First Bird Design & Technology Limited](https://appshunter.io/developer/1080920043) |

## What reviewers say

### Butler Pro

[App page](https://appshunter.io/ios/app/butler-pro/id1053188476)

Connect with customers needing home services like plumbing, electrical work, or gardening. Compete for projects, communicate with clients, and manage your business on the go. This platform helps service providers find work and address information asymmetry in the home service market.

**Highlights:** Receive customer requests anytime, anywhere, Over 100 home service categories, Compete for projects on your smartphone, Connect and communicate with clients, View customer history and ratings, Provide preliminary price estimates

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 易管家币30枚 | $16.99 | one-time |
| 易管家币60枚 | $30.99 | one-time |
| 易管家币100枚 | $42.99 | one-time |


### Unit Converter 單位換算

[App page](https://appshunter.io/ios/app/unit-converter/id1607242875)

This utility app offers comprehensive unit conversions for various measurements including weight, length, temperature, and computer memory. It also provides multi-country currency conversion with auto-updated exchange rates and supports Asian-specific units. The app features real-time conversion, remembers your last used units, and supports multiple languages.

**Highlights:** Extensive unit support (weight, length, volume, etc.), Multi-country currency conversion, Real-time conversion updates, Automatic saving of last used units, Support for Asian-specific units, Multi-language interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Butler Pro free?

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

### Is Unit Converter 單位換算 free?

Unit Converter 單位換算 is free to download, with no in-app purchases.

### Do Butler Pro or Unit Converter 單位換算 have ads?

Neither Butler Pro nor Unit Converter 單位換算 shows ads.

### Which is updated more often, Butler Pro or Unit Converter 單位換算?

Butler Pro ships an update every 3 weeks, and Unit Converter 單位換算 every 2 months. Most recently, Butler Pro was updated on October 19, 2026 and Unit Converter 單位換算 on October 19, 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.*