# BirdTron vs ListenPDF

The clearest difference is in-app purchases: BirdTron at none against ListenPDF's 1. BirdTron also leads on device support (3 vs 1) and iOS requirement (11.0 vs 16.0). On price and ads there is nothing between them.

Both are free to download. ListenPDF sells 1 one-off in-app purchase. BirdTron asks for nothing beyond the download.

## The numbers

| Metric | BirdTron | ListenPDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/birdtron/id1498841249/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Monetization | Free | — |
| Size | 347 MB | 18 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [LUABOOKS SAS](https://appshunter.io/developer/899804309) | [Infinity Inc. (Apps)](https://appshunter.io/developer/1680741877) |

## What reviewers say

### BirdTron

[App page](https://appshunter.io/ios/app/birdtron/id1498841249)

This app brings a physical storybook to life with 3D pop-up animations and authentic bird sounds. It requires the purchase of the physical book to unlock the full digital experience.

**Highlights:** 3D Pop-Up Book Experience, Authentic Bird Sounds, Digital Story Enhancement, Smartphone and Tablet Compatible

**Features:** macOS Compatibility

**In-app purchases:** none


### ListenPDF

[App page](https://appshunter.io/ios/app/listenpdf-ai-powered-reader/id6740225647)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $4.99 | one-time |


## Frequently asked questions

### Is BirdTron free?

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

### Is ListenPDF free?

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

### Do BirdTron or ListenPDF have ads?

Neither BirdTron nor ListenPDF shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*