# Calculator Plus vs Time Dilation Explorer Lab

The clearest difference is in-app purchases: Calculator Plus at none against Time Dilation Explorer Lab's 1. Calculator Plus also leads on ads (none vs shown) and iOS requirement (15.0 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. Calculator Plus asks for nothing beyond the download.

## The numbers

| Metric | Calculator Plus | Time Dilation Explorer Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | — |
| Size | 14 MB | 16 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Deep Jerajbhai Davara](https://appshunter.io/developer/1683267123) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### Calculator Plus

[App page](https://appshunter.io/ios/app/calculator-plus-multicalc/id6738636098)

**Features:** macOS Compatibility

**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 Calculator Plus free?

Calculator Plus 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 Calculator Plus or Time Dilation Explorer Lab have ads?

Time Dilation Explorer Lab shows ads; Calculator Plus 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.*