# Polaris Viewer vs 맞춤법 검사기

The clearest difference is in-app purchases: 맞춤법 검사기 at none against Polaris Viewer's 1. 맞춤법 검사기 also leads on rating (4.8 vs 4.6) and review sentiment (68% vs 56%). Polaris Viewer's advantage is ratings volume (74 vs 16) and device support (4 vs 2). On price, update cadence, ads and iOS requirement there is nothing between them.

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

맞춤법 검사기 holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 74 and 16 respectively. Written reviews point the same way: 56% of Polaris Viewer's written reviews are positive against 68% of 맞춤법 검사기's.

Polaris Viewer ships an update every 3 months, 맞춤법 검사기 every 2 months. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Polaris Viewer | 맞춤법 검사기 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (74 ratings)](https://appshunter.io/ios/app/polaris-viewer-pdf-document/id1361508774/reviews) | **[4.8 (16 ratings)](https://appshunter.io/ios/app/id6465690154/reviews)** |
| Number of ratings | **74** | 16 |
| Positive reviews | 56.4% of reviews | **68.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 177 MB | 5 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod, Vision Pro** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Polaris Office Corp.](https://appshunter.io/developer/380275428) | [HUJIN SHIN](https://appshunter.io/developer/1516817833) |

## 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 |


### 맞춤법 검사기

[App page](https://appshunter.io/ios/app/id6465690154)

This app helps you write Korean correctly by quickly checking and correcting spelling. It features a simple copy-paste function, an intuitive user interface, and easy sharing capabilities.

**Highlights:** Quick spelling correction, Convenient copy & paste, Intuitive user interface, Easy sharing function, Korean language support

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

**In-app purchases:** none


## Frequently asked questions

### Is Polaris Viewer free?

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

### Is 맞춤법 검사기 free?

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

### Which has better reviews, Polaris Viewer or 맞춤법 검사기?

맞춤법 검사기 is rated higher. Polaris Viewer averages 4.6 out of 5 from 74 ratings, while 맞춤법 검사기 averages 4.8 from 16 ratings.

### Do Polaris Viewer or 맞춤법 검사기 have ads?

Both Polaris Viewer and 맞춤법 검사기 show ads.

### Which is updated more often, Polaris Viewer or 맞춤법 검사기?

Polaris Viewer ships an update every 3 months, and 맞춤법 검사기 every 2 months. Most recently, Polaris Viewer was updated on October 22, 2026 and 맞춤법 검사기 on October 21, 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.*