# Bookstream.ai vs DeerReader

The clearest difference is in-app purchases: Bookstream.ai at none against DeerReader's 1. Bookstream.ai also leads on update cadence (every 3 days vs every 5 weeks) and iOS requirement (15.2 vs 26.1). DeerReader's advantage is device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. DeerReader sells 1 in-app purchase, starting at $9.99 per year. Bookstream.ai asks for nothing beyond the download.

Bookstream.ai ships an update every 3 days, DeerReader every 5 weeks. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Bookstream.ai | DeerReader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/deerreader-audiobook-player/id6748619971/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 weeks |
| Monetization | — | Paid |
| Size | 22 MB | 27 MB |
| Requires iOS | **15.2** | 26.1 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 12+ | 4+ |
| Developer | [Baby Dino Enterprises LLC](https://appshunter.io/developer/1726271131) | [Cloverfield Technologies LLC](https://appshunter.io/developer/1744210662) |

## What reviewers say

### Bookstream.ai

[App page](https://appshunter.io/ios/app/bookstreamai/id6463499791)

**Features:** macOS Compatibility

**In-app purchases:** none


### DeerReader

[App page](https://appshunter.io/ios/app/deerreader-audiobook-player/id6748619971)

Organize and listen to your digital audiobooks with a beautiful, intelligent player. Features adaptive UI, fast search, and automatic sorting into collections using AI. Enjoy a seamless listening experience with home screen widget access.

**Highlights:** Adaptive player UI matching audiobook cover, Fast, unified search for books and authors, Home screen widget for instant access, AI-powered automatic organization into collections, Intuitive playback controls, Support for large digital libraries

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Support Subscription | $9.99 | per year |


## Frequently asked questions

### Is Bookstream.ai free?

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

### Is DeerReader free?

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

### Do Bookstream.ai or DeerReader have ads?

Neither Bookstream.ai nor DeerReader shows ads.

### Which is updated more often, Bookstream.ai or DeerReader?

Bookstream.ai ships an update every 3 days, and DeerReader every 5 weeks. Most recently, Bookstream.ai was updated on October 2, 2026 and DeerReader on October 7, 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.*