# Time Dilation Explorer Lab vs Trigonometry 360

The clearest difference is in-app purchases: Trigonometry 360 at none against Time Dilation Explorer Lab's 1. Trigonometry 360 also leads on ads (none vs shown) and iOS requirement (15.1 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. Trigonometry 360 asks for nothing beyond the download.

## The numbers

| Metric | Time Dilation Explorer Lab | Trigonometry 360 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | — | Monthly |
| Size | 16 MB | 54 MB |
| Requires iOS | 26.2 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) | [Baran Polat](https://appshunter.io/developer/1775913614) |

## What reviewers say

### 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 |


### Trigonometry 360

[App page](https://appshunter.io/ios/app/trigonometry-360/id6787418306)

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

**In-app purchases:** none


## Frequently asked questions

### Is Time Dilation Explorer Lab free?

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

### Is Trigonometry 360 free?

Trigonometry 360 is free to download, with no in-app purchases.

### Do Time Dilation Explorer Lab or Trigonometry 360 have ads?

Time Dilation Explorer Lab shows ads; Trigonometry 360 does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*