# HAC vs PDF Reader Shelf

The clearest difference is ads: HAC at none against PDF Reader Shelf's shown. PDF Reader Shelf's advantage is update cadence (daily vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HAC ships an update every 2 months, PDF Reader Shelf daily. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | HAC | PDF Reader Shelf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/hac-app/id1553622206/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free | — |
| Size | 59 MB | 5 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HAC JIEU](https://appshunter.io/developer/1553622208) | [Salih ONUS](https://appshunter.io/developer/6775990804) |

## What reviewers say

### HAC

[App page](https://appshunter.io/ios/app/hac-app/id1553622206)

This app provides resources for studying the Bible, communicating with the church, and staying informed about events. It also features an online bookstore for church publications.

**Highlights:** Bible study resources, Church communication, Event information, Online bookstore, Latest updates

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Reader Shelf

[App page](https://appshunter.io/ios/app/pdf-reader-shelf/id6787750697)

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

**In-app purchases:** none


## Frequently asked questions

### Is HAC free?

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

### Is PDF Reader Shelf free?

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

### Do HAC or PDF Reader Shelf have ads?

PDF Reader Shelf shows ads; HAC does not.

### Which is updated more often, HAC or PDF Reader Shelf?

HAC ships an update every 2 months, and PDF Reader Shelf daily. Most recently, HAC was updated on October 1, 2026 and PDF Reader Shelf on October 9, 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.*