# PTTEP E vs Booksnotify

The clearest difference is update cadence: Booksnotify at fortnightly against PTTEP E's every 3 months. PTTEP E's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

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

PTTEP E ships an update every 3 months, Booksnotify fortnightly. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | PTTEP E | Booksnotify |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 25 MB | 23 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [BOOKDOSE COMPANY LIMITED](https://appshunter.io/developer/459445000) | [Nicolas Malen](https://appshunter.io/developer/1794003822) |

## What reviewers say

### PTTEP E

[App page](https://appshunter.io/ios/app/pttep-e-library/id892711615)

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

**In-app purchases:** none


### Booksnotify

[App page](https://appshunter.io/ios/app/booksnotify/id6741392349)

Get instant notifications for new book releases from your favorite authors and in your preferred languages. Organize your reading with a digital library and easily add books via ISBN scanning or manual entry.

**Highlights:** New book release alerts, Customizable reading lists, Digital book library, Search library by author, Add books by ISBN scanning, Supports English and French

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PTTEP E free?

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

### Is Booksnotify free?

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

### Do PTTEP E or Booksnotify have ads?

Neither PTTEP E nor Booksnotify shows ads.

### Which is updated more often, PTTEP E or Booksnotify?

PTTEP E ships an update every 3 months, and Booksnotify fortnightly. Most recently, PTTEP E was updated on October 7, 2026 and Booksnotify on October 19, 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.*