# Polaris Viewer vs NoteFlow

The clearest difference is in-app purchases: NoteFlow at none against Polaris Viewer's 1. NoteFlow also leads on ads (none vs shown) and update cadence (every 4 days vs every 3 months). Polaris Viewer's advantage is iOS requirement (13.0 vs 15.1). On price and device support there is nothing between them.

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

Polaris Viewer ships an update every 3 months, NoteFlow every 4 days. The most recent releases landed on November 6, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Polaris Viewer | NoteFlow |
| --- | --- | --- |
| 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 | **No** |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 177 MB | 35 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Polaris Office Corp.](https://appshunter.io/developer/380275428) | [Mocoplex, Inc.](https://appshunter.io/developer/429622021) |

## 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 |


### NoteFlow

[App page](https://appshunter.io/ios/app/noteflow-ai/id6771658071)

**In-app purchases:** none


## Frequently asked questions

### Is Polaris Viewer free?

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

### Is NoteFlow free?

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

### Do Polaris Viewer or NoteFlow have ads?

Polaris Viewer shows ads; NoteFlow does not.

### Which is updated more often, Polaris Viewer or NoteFlow?

Polaris Viewer ships an update every 3 months, and NoteFlow every 4 days. Most recently, Polaris Viewer was updated on November 6, 2026 and NoteFlow on October 28, 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.*