# Recognize vs Convert EPUB to PDF

The clearest difference is update cadence: Recognize at every 3 weeks against Convert EPUB to PDF's every 3 months. Recognize also leads on iOS requirement (8.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Recognize sells 1 one-off in-app purchase and Convert EPUB to PDF sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Recognize ships an update every 3 weeks, Convert EPUB to PDF every 3 months. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Recognize | Convert EPUB to PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (51 ratings)](https://appshunter.io/ios/app/recognize/id604448810/reviews)** | — |
| Number of ratings | **51** | — |
| Positive reviews | 41.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 22 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JG Applications Ltd](https://appshunter.io/developer/315652170) | [Antonio Gonzalez de la aleja german](https://appshunter.io/developer/1839645711) |

## What reviewers say

### Recognize

[App page](https://appshunter.io/ios/app/recognize/id604448810)

Identify songs playing from any audio source, including radio, TV, and movies. The app automatically stores your identified tracks in the cloud and allows you to preview songs, watch music videos, and explore artist content. Interact with friends and discover trending music.

**Highlights:** Identify songs from any audio source, Cloud storage for identified tracks, Discover popular and trending songs, Preview songs and watch music videos, View artist content, Social interaction features

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Adverts | $0.99 | one-time |

**What reviewers like**

- 🎯 Accurate song recognition for most songs
- 🌍 Excellent recognition of international and obscure music
- ⚡ Fast and quick identification
- 🎨 Clean and user-friendly interface
- 💰 Free application

**What reviewers complain about**

- 🐛 Frequent crashes when attempting to identify songs
- 🔐 Requires email/social media login (Facebook, Twitter, Gmail)
- ❌ Poor recognition accuracy in recent versions
- 📵 Returns 'No Match' for popular and common songs
- ⚠️ App force closes without error messages

**Reported bugs**

- App crashes immediately when microphone button is pressed
- Force closes without error messages
- Login/signup button functionality broken
- Token expiration errors on authentication
- No close button (X) on error dialogs

**Requested features**

- Remove mandatory login requirement
- Add lyrics viewing capability
- Offline song recognition capability
- Save/bookmark recognized songs for later
- Remove social media permission requirements


### Convert EPUB to PDF

[App page](https://appshunter.io/ios/app/convert-epub-to-pdf/id6754388499)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Recognize free?

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

### Is Convert EPUB to PDF free?

Convert EPUB to PDF is free to download, with in-app purchases available.

### Do Recognize or Convert EPUB to PDF have ads?

Neither Recognize nor Convert EPUB to PDF shows ads.

### Which is updated more often, Recognize or Convert EPUB to PDF?

Recognize ships an update every 3 weeks, and Convert EPUB to PDF every 3 months. Most recently, Recognize was updated on October 12, 2026 and Convert EPUB to PDF on October 5, 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.*