# PDF Reader vs ReplySpark AI

The clearest difference is device support: PDF Reader at 3 against ReplySpark AI's —. PDF Reader also leads on iOS requirement (13.0 vs 15.1). On price 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.

## The numbers

| Metric | PDF Reader | ReplySpark AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/replyspark-ai-smart-replies/id6760976406/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | — |
| Update frequency | Daily | — |
| Monetization | — | Free |
| Size | 37 MB | 194 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Abdelaziz Boukhris](https://appshunter.io/developer/1875747023) | [VENKATA RAMANA REDDY](https://appshunter.io/developer/1886825351) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-pdf-pro-editor/id6758962655)

**Features:** macOS Compatibility

**In-app purchases:** none


### ReplySpark AI

[App page](https://appshunter.io/ios/app/replyspark-ai-smart-replies/id6760976406)

Instantly generate tailored responses for various occasions like festivals and conversations. Select your desired tone and language to receive thoughtful, witty, or professional replies in seconds.

**Highlights:** Instant response generation, Customizable tone selection, Multi-language support, Occasion-specific replies, Thoughtful and witty responses

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

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

### Is ReplySpark AI free?

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

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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.*