# A/B Buddy vs Cube Root Calculator SDG

The clearest difference is in-app purchases: Cube Root Calculator SDG at none against A/B Buddy's 1. Cube Root Calculator SDG also leads on iOS requirement (11.0 vs 13.0). A/B Buddy's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. A/B Buddy sells 1 one-off in-app purchase. Cube Root Calculator SDG asks for nothing beyond the download.

A/B Buddy ships an update every 8 months, Cube Root Calculator SDG every 12 months. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | A/B Buddy | Cube Root Calculator SDG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/ab-buddy/id1446129030/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 8 months** | Every 12 months |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 12 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Evan Miller](https://appshunter.io/developer/329911740) | [SDG CODE DOO NIS](https://appshunter.io/developer/1343251532) |

## What reviewers say

### A/B Buddy

[App page](https://appshunter.io/ios/app/ab-buddy/id1446129030)

This app helps you design A/B experiments by calculating the precise number of participants needed for statistically valid results. It uses power analysis to determine the optimal sample size, ensuring your experiment is neither too short nor too long.

**Highlights:** Sample size calculation for A/B tests, Power analysis formula, Adjustable baseline conversion rate, Minimum Detectable Effect setting, Shareable calculation links, Privacy-focused data handling

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Features | $8.99 | one-time |


### Cube Root Calculator SDG

[App page](https://appshunter.io/ios/app/cube-root-calculator-sdg/id6741202278)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is A/B Buddy free?

A/B Buddy is free to download, with in-app purchases available.

### Is Cube Root Calculator SDG free?

Cube Root Calculator SDG is free to download, with no in-app purchases.

### Do A/B Buddy or Cube Root Calculator SDG have ads?

Cube Root Calculator SDG shows ads; A/B Buddy does not.

### Which is updated more often, A/B Buddy or Cube Root Calculator SDG?

A/B Buddy ships an update every 8 months, and Cube Root Calculator SDG every 12 months. Most recently, A/B Buddy was updated on October 7, 2026 and Cube Root Calculator SDG on October 10, 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.*