# Monergism eBook Library vs OpenFile Chess

The clearest difference is in-app purchases: Monergism eBook Library at none against OpenFile Chess's 2. Monergism eBook Library also leads on update cadence (every 5 days vs every 5 weeks) and ratings volume (120 vs 6). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. OpenFile Chess sells 2 one-off in-app purchases. Monergism eBook Library asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Monergism eBook Library against 5.0 for OpenFile Chess. That said, the two scores are not equally well evidenced: Monergism eBook Library has 120 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 96% of Monergism eBook Library's written reviews are positive against 100% of OpenFile Chess's.

Monergism eBook Library ships an update every 5 days, OpenFile Chess every 5 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Monergism eBook Library | OpenFile Chess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (120 ratings)](https://appshunter.io/ios/app/monergism-ebook-library/id6448814913/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/openfile-chess/id6759627581/reviews)** |
| Number of ratings | **120** | 6 |
| Positive reviews | 96.2% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 5 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 58 MB | 82 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Christian Publication Resource Foundation](https://appshunter.io/developer/1686516300) | [Hriday Bhambhvani](https://appshunter.io/developer/1879897859) |

## What reviewers say

### Monergism eBook Library

[App page](https://appshunter.io/ios/app/monergism-ebook-library/id6448814913)

Access a vast collection of over 900 theological and biblical eBooks from renowned authors. Enjoy offline reading, customizable fonts, and easy navigation to explore profound spiritual insights and strengthen your faith.

**Highlights:** Over 900 theological eBooks, Offline reading, Resizable fonts, Search function, Browse by topic/author, My Library feature, Automatic updates

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

**In-app purchases:** none


### OpenFile Chess

[App page](https://appshunter.io/ios/app/openfile-chess/id6759627581)

This app combines a chess puzzle trainer with an interactive e-reader for classic chess books. It features spaced repetition for puzzle training, thematic decks, and engine analysis. Users can also read and step through classic chess books with move-by-move annotations.

**Highlights:** Spaced repetition puzzle trainer, Themed puzzle decks, Interactive chess book reader, Stockfish 17 analysis, Move-by-move annotations, Explore alternate lines

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30-Day Rental | $3.99 | one-time |
| Lifetime Access | $9.99 | one-time |


## Frequently asked questions

### Is Monergism eBook Library free?

Monergism eBook Library is free to download, with no in-app purchases.

### Is OpenFile Chess free?

OpenFile Chess is free to download, with in-app purchases available.

### Which has better reviews, Monergism eBook Library or OpenFile Chess?

OpenFile Chess is rated higher. Monergism eBook Library averages 4.9 out of 5 from 120 ratings, while OpenFile Chess averages 5.0 from 6 ratings.

### Do Monergism eBook Library or OpenFile Chess have ads?

Neither Monergism eBook Library nor OpenFile Chess shows ads.

### Which is updated more often, Monergism eBook Library or OpenFile Chess?

Monergism eBook Library ships an update every 5 days, and OpenFile Chess every 5 weeks. Most recently, Monergism eBook Library was updated on October 27, 2026 and OpenFile Chess on October 24, 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.*