# IRIScan Book vs HeyReader

The clearest difference is review sentiment: HeyReader at 100% against IRIScan Book's 0%. HeyReader also leads on rating (5.0 vs 1.0) and update cadence (weekly vs every 30 months). IRIScan Book's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. HeyReader sells 2 in-app purchases, starting at $6.99 per month. IRIScan Book asks for nothing beyond the download.

HeyReader holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 0% of IRIScan Book's written reviews are positive against 100% of HeyReader's.

IRIScan Book ships an update every 30 months, HeyReader weekly. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | IRIScan Book | HeyReader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/iriscan-book/id645510075/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/heyreader-ask-your-book/id6790931871/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 30 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 36 MB |
| Requires iOS | **6.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [I.R.I.S. s.a.](https://appshunter.io/developer/431853095) | [Roshan Gill](https://appshunter.io/developer/1773419310) |

## What reviewers say

### IRIScan Book

[App page](https://appshunter.io/ios/app/iriscan-book/id645510075)

Wirelessly transfer scanned documents from a portable scanner to your iOS devices. Capture pages from books and magazines without damaging them, saving scans to a MicroSD card for easy transfer.

**Highlights:** Wireless document transfer, Scan books and magazines, Save scans to MicroSD, Transfer to iPad/iPhone, Portable scanner integration

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

**In-app purchases:** none


### HeyReader

[App page](https://appshunter.io/ios/app/heyreader-ask-your-book/id6790931871)

This app provides an audio assistant for physical books. Upload the book's PDF, and then ask questions aloud about terms or concepts. The app searches your book and speaks the answers, helping you stay focused on reading.

**Highlights:** Voice-activated questions, Answers read aloud, Searches book PDF, Focuses on physical reading, Requires book PDF

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $6.99 | per month |
| Pro Annual | $62.99 | per year |


## Frequently asked questions

### Is IRIScan Book free?

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

### Is HeyReader free?

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

### Which has better reviews, IRIScan Book or HeyReader?

HeyReader is rated higher. IRIScan Book averages 1.0 out of 5 from 1 ratings, while HeyReader averages 5.0 from 4 ratings.

### Do IRIScan Book or HeyReader have ads?

Neither IRIScan Book nor HeyReader shows ads.

### Which is updated more often, IRIScan Book or HeyReader?

IRIScan Book ships an update every 30 months, and HeyReader weekly. Most recently, IRIScan Book was updated on October 23, 2026 and HeyReader on October 25, 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.*