# Element OTG vs Element Science

The clearest difference is ads: Element Science at none against Element OTG's shown. Element OTG's advantage is update cadence (monthly vs every 4 months) and iOS requirement (13.0 vs 26.4). On price, in-app purchases and device support there is nothing between them.

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

Element OTG ships an update monthly, Element Science every 4 months. The most recent releases landed on September 12, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Element OTG | Element Science |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 4 months |
| Size | 25 MB | 13 MB |
| Requires iOS | **13.0** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Japality Limited](https://appshunter.io/developer/1574046707) | [LycheeApps Inc.](https://appshunter.io/developer/1491686290) |

## What reviewers say

### Element OTG

[App page](https://appshunter.io/ios/app/element-otg/id6749494404)

**Features:** macOS Compatibility

**In-app purchases:** none


### Element Science

[App page](https://appshunter.io/ios/app/element-science/id6766123855)

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

**In-app purchases:** none


## Frequently asked questions

### Is Element OTG free?

Element OTG is free to download, with no in-app purchases.

### Is Element Science free?

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

### Do Element OTG or Element Science have ads?

Element OTG shows ads; Element Science does not.

### Which is updated more often, Element OTG or Element Science?

Element OTG ships an update monthly, and Element Science every 4 months. Most recently, Element OTG was updated on September 12, 2026 and Element Science on September 29, 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.*