# Time Science vs KAILASA's E

The clearest difference is device support: KAILASA's E at 3 against Time Science's —. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Time Science | KAILASA's E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 2 weeks |
| Size | 8 MB | 31 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lakshmanaraja Kannan](https://appshunter.io/developer/1858492047) | [KAILASA](https://appshunter.io/developer/1842801928) |

## What reviewers say

### Time Science

[App page](https://appshunter.io/ios/app/time-science/id6756097523)

**In-app purchases:** none


### KAILASA's E

[App page](https://appshunter.io/ios/app/kailasas-e-citizen/id6760506413)

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

**In-app purchases:** none


## Frequently asked questions

### Is Time Science free?

Time Science is free to download, with no in-app purchases.

### Is KAILASA's E free?

KAILASA's E is free to download, with no in-app purchases.

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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.*