# 巴特勒Butler vs 斯蒂尔鉴别

巴特勒Butler and 斯蒂尔鉴别 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

巴特勒Butler ships an update every 2 months, 斯蒂尔鉴别 every 4 months. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 巴特勒Butler | 斯蒂尔鉴别 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 98 MB | 4 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BlueScope Steel Investment Management (Shanghai) Co.Ltd](https://appshunter.io/developer/1464642251) | [太仓安德烈斯蒂尔动力工具有限公司](https://appshunter.io/developer/1139992191) |

## What reviewers say

### 巴特勒Butler

[App page](https://appshunter.io/ios/app/butler/id966058823)

**Features:** macOS Compatibility

**In-app purchases:** none


### 斯蒂尔鉴别

[App page](https://appshunter.io/ios/app/id1139992192)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 巴特勒Butler free?

巴特勒Butler is free to download, with no in-app purchases.

### Is 斯蒂尔鉴别 free?

斯蒂尔鉴别 is free to download, with no in-app purchases.

### Do 巴特勒Butler or 斯蒂尔鉴别 have ads?

Neither 巴特勒Butler nor 斯蒂尔鉴别 shows ads.

### Which is updated more often, 巴特勒Butler or 斯蒂尔鉴别?

巴特勒Butler ships an update every 2 months, and 斯蒂尔鉴别 every 4 months. Most recently, 巴特勒Butler was updated on October 3, 2026 and 斯蒂尔鉴别 on October 14, 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.*