# Polaris Viewer vs 에코

The clearest difference is in-app purchases: 에코 at none against Polaris Viewer's 1. 에코 also leads on iOS requirement (11.0 vs 13.0). Polaris Viewer's advantage is device support. On price there is nothing between them.

Both are free to download. Polaris Viewer sells 1 one-off in-app purchase. 에코 asks for nothing beyond the download.

## The numbers

| Metric | Polaris Viewer | 에코 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (74 ratings)](https://appshunter.io/ios/app/polaris-viewer-pdf-document/id1361508774/reviews)** | — |
| Number of ratings | **74** | — |
| Positive reviews | 56.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 177 MB | 39 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod, Vision Pro** | — |
| Age rating | 4+ | 4+ |
| Developer | [Polaris Office Corp.](https://appshunter.io/developer/380275428) | [soohan bae](https://appshunter.io/developer/1515211230) |

## What reviewers say

### Polaris Viewer

[App page](https://appshunter.io/ios/app/polaris-viewer-pdf-document/id1361508774)

This app offers a mobile-optimized experience for viewing various document types, including Microsoft Office files, PDFs, and TXT. It provides smart document management features and supports cloud integration for easy access to your files.

**Highlights:** Mobile optimized document viewer, Supports Microsoft Office, PDF, TXT, Zip, CSV, Cloud storage integration (iCloud, Google Drive, Dropbox, etc.), Smart document management, App lock with fingerprint, face, or password, Night mode and paper texture background options

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $10.99 | one-time |


### 에코

[App page](https://appshunter.io/ios/app/qr/id6474166675)

**In-app purchases:** none


## Frequently asked questions

### Is Polaris Viewer free?

Polaris Viewer is free to download, with in-app purchases available.

### Is 에코 free?

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

---

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