# Six Sigma Society vs Time Dilation Explorer Lab

The clearest difference is in-app purchases: Six Sigma Society at none against Time Dilation Explorer Lab's 1. Six Sigma Society also leads on ads (none vs shown) and iOS requirement (16.6 vs 26.2). On price and device support there is nothing between them.

Both are free to download. Time Dilation Explorer Lab sells 1 one-off in-app purchase. Six Sigma Society asks for nothing beyond the download.

## The numbers

| Metric | Six Sigma Society | Time Dilation Explorer Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/six-sigma-society/id6569256151/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | — |
| Monetization | Free | — |
| Size | 49 MB | 16 MB |
| Requires iOS | **16.6** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Six Sigma Society](https://appshunter.io/developer/1763881385) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### Six Sigma Society

[App page](https://appshunter.io/ios/app/six-sigma-society/id6569256151)

Access all your educational courses in one place, track your learning progress, and prepare for certification exams. Save content for quick retrieval and easily manage your studies.

**Highlights:** Access all courses, Monitor progress, Prepare for exams, Save content, Easy-to-use interface

**In-app purchases:** none


### Time Dilation Explorer Lab

[App page](https://appshunter.io/ios/app/time-dilation-explorer-lab/id6773199521)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $2.99 | one-time |


## Frequently asked questions

### Is Six Sigma Society free?

Six Sigma Society is free to download, with no in-app purchases.

### Is Time Dilation Explorer Lab free?

Time Dilation Explorer Lab is free to download, with in-app purchases available.

### Do Six Sigma Society or Time Dilation Explorer Lab have ads?

Time Dilation Explorer Lab shows ads; Six Sigma Society does not.

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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.*