# PDF Library eBook Reader vs TANA

The clearest difference is price: PDF Library eBook Reader at Free against TANA's $1.99. TANA's advantage is in-app purchases (none vs 1) and iOS requirement (15.0 vs 18.0). On update cadence, ads and device support there is nothing between them.

PDF Library eBook Reader is free to download; TANA costs $1.99 up front. PDF Library eBook Reader sells 1 one-off in-app purchase. TANA asks for nothing beyond the download.

PDF Library eBook Reader ships an update every 5 weeks, TANA every 3 weeks. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | PDF Library eBook Reader | TANA |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.3 (12 ratings)](https://appshunter.io/ios/app/pdf-library-ebook-reader/id6503659712/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 24 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Verbia Systems](https://appshunter.io/developer/1025294134) | [Yuriko Onsager](https://appshunter.io/developer/1882338076) |

## What reviewers say

### PDF Library eBook Reader

[App page](https://appshunter.io/ios/app/pdf-library-ebook-reader/id6503659712)

Organize, sync, and read your PDF eBooks effortlessly across devices. Features include flexible display options, dark mode, auto-save reading progress, and collection management. An optional Pro version unlocks advanced organization tools.

**Highlights:** Organize PDF collection, Sync across devices, Flexible display options, Dark and Sepia reading modes, Auto-save reading progress, Create custom collections

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Library Pro | $19.99 | one-time |


### TANA

[App page](https://appshunter.io/ios/app/tana-media-tracker/id6760018514)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Library eBook Reader free?

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

### Is TANA free?

TANA costs $1.99, with no in-app purchases.

### Do PDF Library eBook Reader or TANA have ads?

Neither PDF Library eBook Reader nor TANA shows ads.

### Which is updated more often, PDF Library eBook Reader or TANA?

PDF Library eBook Reader ships an update every 5 weeks, and TANA every 3 weeks. Most recently, PDF Library eBook Reader was updated on November 8, 2026 and TANA on November 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.*