# Integrate Viewer vs MetaLibrary by e

The clearest difference is update cadence: MetaLibrary by e at every 6 weeks against Integrate Viewer's every 48 months. Integrate Viewer's advantage is iOS requirement (11.0 vs 15.0). On price, ads, 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.

Integrate Viewer ships an update every 48 months, MetaLibrary by e every 6 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | Integrate Viewer | MetaLibrary by e |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 48 months | **Every 6 weeks** |
| Size | 1.1 GB | 240 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Woongjin Compass, Co., Ltd.](https://appshunter.io/developer/393294989) | [(주)디엔소프트](https://appshunter.io/developer/1376451133) |

## What reviewers say

### Integrate Viewer

[App page](https://appshunter.io/ios/app/integrate-viewer/id1525664643)

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

**In-app purchases:** none


### MetaLibrary by e

[App page](https://appshunter.io/ios/app/metalibrary-by-e-future/id6798471930)

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

**In-app purchases:** none


## Frequently asked questions

### Is Integrate Viewer free?

Integrate Viewer is free to download, with no in-app purchases.

### Is MetaLibrary by e free?

MetaLibrary by e is free to download, with no in-app purchases.

### Do Integrate Viewer or MetaLibrary by e have ads?

Neither Integrate Viewer nor MetaLibrary by e shows ads.

### Which is updated more often, Integrate Viewer or MetaLibrary by e?

Integrate Viewer ships an update every 48 months, and MetaLibrary by e every 6 weeks. Most recently, Integrate Viewer was updated on October 25, 2026 and MetaLibrary by e on October 25, 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.*