# BookJack Player vs Nana's Focus

The clearest difference is review sentiment: Nana's Focus at 100% against BookJack Player's 0%. Nana's Focus also leads on rating (5.0 vs 2.0) and update cadence (weekly vs every 6 months). BookJack Player's advantage is in-app purchases (none vs 2). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Nana's Focus sells 2 in-app purchases, starting at $3.99 per month. BookJack Player asks for nothing beyond the download.

Nana's Focus holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 0% of BookJack Player's written reviews are positive against 100% of Nana's Focus's.

BookJack Player ships an update every 6 months, Nana's Focus weekly. The most recent releases landed on September 19, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | BookJack Player | Nana's Focus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (2 ratings)](https://appshunter.io/ios/app/bookjack-player/id6751657117/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nanas-focus-adhd-pdf-reader/id6799879011/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 92 MB | 24 MB |
| Requires iOS | 18.5 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Brett Ridenour](https://appshunter.io/developer/1829536036) | [Adrian Skobiej](https://appshunter.io/developer/6778534396) |

## What reviewers say

### BookJack Player

[App page](https://appshunter.io/ios/app/bookjack-player/id6751657117)

This app provides a clean and powerful way to listen to your personal audiobook collection. Import your M4B, M4A, MP3, or FLAC files and enjoy features like adjustable playback speed, smart controls, and a sleep timer.

**Highlights:** Import personal audiobook files (M4B, M4A, MP3, FLAC), Custom folders and search functionality, Adjustable playback speed (0.5x - 3.0x), Smart rewind and skip controls, Sleep timer, Chapter navigation and bookmarks, Dark and Light Mode

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

**In-app purchases:** none


### Nana's Focus

[App page](https://appshunter.io/ios/app/nanas-focus-adhd-pdf-reader/id6799879011)

This app helps you study your own texts with multiple reading modes and spaced repetition flashcards. It includes guided breathing exercises and optional background noise to aid focus. Track your study progress and learn effective study techniques.

**Highlights:** Multiple reading modes (Spot, Line, Traditional), Spaced repetition flashcards from highlights, Guided breathing exercises, Optional steady pink noise generator, Study progress tracking, Nine 'How to study' lessons, Supports various file formats (PDF, EPUB, DOCX, etc.)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly access | $3.99 | per month |
| Full access, for good | $29.00 | one-time |


## Frequently asked questions

### Is BookJack Player free?

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

### Is Nana's Focus free?

Nana's Focus is free to download, with in-app purchases available.

### Which has better reviews, BookJack Player or Nana's Focus?

Nana's Focus is rated higher. BookJack Player averages 2.0 out of 5 from 2 ratings, while Nana's Focus averages 5.0 from 1 ratings.

### Do BookJack Player or Nana's Focus have ads?

Neither BookJack Player nor Nana's Focus shows ads.

### Which is updated more often, BookJack Player or Nana's Focus?

BookJack Player ships an update every 6 months, and Nana's Focus weekly. Most recently, BookJack Player was updated on September 19, 2026 and Nana's Focus on October 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.*