# All Document Reader & Viewer vs Kellno

The clearest difference is in-app purchases: Kellno at none against All Document Reader & Viewer's 3. Kellno also leads on update cadence (every 5 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. All Document Reader & Viewer sells 3 in-app purchases, starting at $1.99 per 7 days. Kellno asks for nothing beyond the download.

All Document Reader & Viewer ships an update every 3 months, Kellno every 5 weeks. The most recent releases landed on September 24, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | All Document Reader & Viewer | Kellno |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (90 ratings)](https://appshunter.io/ios/app/all-document-reader-and-viewer/id6463719480/reviews)** | — |
| Number of ratings | **90** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 59 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Sagar Rudani](https://appshunter.io/developer/1663592356) | [Muhammad Shariq Ajmal](https://appshunter.io/developer/6778975160) |

## What reviewers say

### All Document Reader & Viewer

[App page](https://appshunter.io/ios/app/all-document-reader-and-viewer/id6463719480)

Easily view and read various document types including PDF, Word, Excel, and PPT files. This application offers a simple interface for quick access and sharing of your documents.

**Highlights:** Read multiple document types, View PDF, Excel, PPT, Word files, Simple user interface, One-tap file sharing, Share documents as PDF/Word

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week   Weekly | $1.99 | per 7 days |
| 1 Month   Monthly | $3.99 | per month |
| 1 Year   Yearly | $24.99 | per year |


### Kellno

[App page](https://appshunter.io/ios/app/kellno/id6778975158)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is All Document Reader & Viewer free?

All Document Reader & Viewer is free to download, with in-app purchases available.

### Is Kellno free?

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

### Do All Document Reader & Viewer or Kellno have ads?

Neither All Document Reader & Viewer nor Kellno shows ads.

### Which is updated more often, All Document Reader & Viewer or Kellno?

All Document Reader & Viewer ships an update every 3 months, and Kellno every 5 weeks. Most recently, All Document Reader & Viewer was updated on September 24, 2026 and Kellno on September 13, 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.*