# Activity Tracker" vs Quick PDF Reader

The clearest difference is in-app purchases: Quick PDF Reader at none against Activity Tracker"'s 1. Quick PDF Reader also leads on iOS requirement (13.0 vs 16.6). Activity Tracker"'s advantage is update cadence (every 10 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Activity Tracker" sells 1 one-off in-app purchase. Quick PDF Reader asks for nothing beyond the download.

Activity Tracker" ships an update every 10 days, Quick PDF Reader monthly. The most recent releases landed on September 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Activity Tracker" | Quick PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quick-pdf-reader-pdf-viewer/id6746145452/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | — | Free |
| Size | 2 MB | 46 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Lee Chee Tsong](https://appshunter.io/developer/366165218) | [Fujian Huoli Site Network Technology Co., Ltd.](https://appshunter.io/developer/1743718015) |

## What reviewers say

### Activity Tracker"

[App page](https://appshunter.io/ios/app/activity-tracker/id6742681875)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support the Developer | $1.99 | one-time |


### Quick PDF Reader

[App page](https://appshunter.io/ios/app/quick-pdf-reader-pdf-viewer/id6746145452)

This application provides a fast and efficient way to view PDF documents. It offers simple navigation, offline support, and in-document search capabilities for a smooth reading experience. Designed for users who need a straightforward PDF reader without unnecessary complexity.

**Highlights:** Fast and lightweight PDF opening, Easy zoom, scroll, and page switching, Offline PDF viewing, Quick file search, In-document text search, Dark mode for reduced eye strain

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Activity Tracker" free?

Activity Tracker" is free to download, with in-app purchases available.

### Is Quick PDF Reader free?

Quick PDF Reader is free to download, with no in-app purchases.

### Do Activity Tracker" or Quick PDF Reader have ads?

Neither Activity Tracker" nor Quick PDF Reader shows ads.

### Which is updated more often, Activity Tracker" or Quick PDF Reader?

Activity Tracker" ships an update every 10 days, and Quick PDF Reader monthly. Most recently, Activity Tracker" was updated on September 25, 2026 and Quick PDF Reader on October 7, 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.*