A/B Buddy 4+
Evan Miller
專為 iPad 設計
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- 免費
- 提供 App 內購買
截圖
簡介
If you're planning to run an experiment – either on the web or in real-life – it's critical to collect the right amount data so that you know the experiment results are scientifically valid.
A/B Buddy is a sample-size calculator that helps you design A/B experiments with a quick slide of a finger. It uses a power-analysis formula to tell you exactly how many subjects, or users, that you'll need in an experiment in order to detect a statistically significant difference between two groups. Because if you have too few users in the experiment, you'll never see any difference between "A" and "B"; if you have too many enrolled, the experiment will never end. A/B Buddy tells you exactly the right number.
How does it work? Let's say your current conversion rate is 10%, and you want to see if a proposed change from the design team can boost that number up to 12% – that is, a 20% lift in the conversion rate. Simply pop open A/B Buddy, set the Baseline conversion rate to 10%, and the Minimum Detectable Effect to 20%, and your answer is waiting for you at the top of the screen.
A/B Buddy includes a Share button, which links to a web page displaying your sample size calculation. Your numbers, however, remain 100% private – all the information is stored in the URL fragment, and is never transmitted to any servers.
By default, A/B Buddy uses the most common statistical thresholds: 5% for the significance level (false-positive rate), and 80% for the power level (ability to detect the Minimum Detectable Effect). Power users can adjust these values after unlocking the Pro Features in-app purchase. But most users will find the defaults adequate for their needs.
Questions? Suggestions? Ideas? Feedback is always welcome at emmiller@gmail.com
新內容
版本 1.1.0
• Full support for Dark Mode
• A/B Buddy now requires iOS 13 or later
App 隱私權
開發者「Evan Miller」尚未提供關於其隱私權實務和資料處理的詳細資訊給 Apple。如需更多資訊,請參閱開發者的隱私權政策。
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資訊
- 供應商
- Evan Miller
- 大小
- 1.8 MB
- 類別
- 工具程式
- 相容性
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- iPhone
- 需要 iOS 13.0 或以上版本。
- iPad
- 需要 iPadOS 13.0 或以上版本。
- iPod touch
- 需要 iOS 13.0 或以上版本。
- Mac
- 需要 macOS 11.0(或以上版本)以及配備 Apple M1(或以上版本)晶片的 Mac。
- Apple Vision
- 需要 visionOS 1.0 或以上版本。
- 語言
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英文
- 年齡分級
- 4+
- Copyright
- © 2019-2020 Evan Miller
- 價格
- 免費
- App 內購買
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- Pro Features $290.00