# All PDF Reader vs Chronolog

The clearest difference is in-app purchases: Chronolog at none against All PDF Reader's 3. Chronolog also leads on ads (none vs shown) and update cadence (every 5 days vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. All PDF Reader sells 3 in-app purchases, starting at $0.99 per 7 days. Chronolog asks for nothing beyond the download.

All PDF Reader ships an update every 2 months, Chronolog every 5 days. Both last shipped on October 12, 2026.

## The numbers

| Metric | All PDF Reader | Chronolog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (68 ratings)](https://appshunter.io/ios/app/all-pdf-reader/id6746741391/reviews)** | — |
| Number of ratings | **68** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 149 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Rupareliya](https://appshunter.io/developer/1768692577) | [Eli Kpodo](https://appshunter.io/developer/1712625035) |

## What reviewers say

### All PDF Reader

[App page](https://appshunter.io/ios/app/all-pdf-reader/id6746741391)

This app provides a fast and simple way to open, view, and manage PDF files on iOS devices. It offers smooth scrolling, zoom, offline access, and easy sharing options for various document types.

**Highlights:** Instant PDF viewing, Smooth scrolling and zoom, Offline access, Easy file sharing, Print support, Bookmarks and page jump

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Ads Remove | $0.99 | per 7 days |
| Monthly Ads Remove | $2.29 | per month |
| Yearly Ads Remove | $7.99 | per year |


### Chronolog

[App page](https://appshunter.io/ios/app/chronolog-a/id6748855866)

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

**In-app purchases:** none


## Frequently asked questions

### Is All PDF Reader free?

All PDF Reader is free to download, with in-app purchases available.

### Is Chronolog free?

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

### Do All PDF Reader or Chronolog have ads?

All PDF Reader shows ads; Chronolog does not.

### Which is updated more often, All PDF Reader or Chronolog?

All PDF Reader ships an update every 2 months, and Chronolog every 5 days. Most recently, All PDF Reader was updated on October 12, 2026 and Chronolog on October 12, 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.*