# Drowsebook vs Delphi

The clearest difference is in-app purchases: Delphi at none against Drowsebook's 2. Delphi also leads on update cadence (every 4 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Drowsebook sells 2 one-off in-app purchases. Delphi asks for nothing beyond the download.

Drowsebook ships an update every 2 weeks, Delphi every 4 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Drowsebook | Delphi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/delphi-classics-read-aloud/id6795305910/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | — | Free |
| Size | 255 MB | 18 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [渊博 胡](https://appshunter.io/developer/1862348795) | [Chenyu Li](https://appshunter.io/developer/6795305912) |

## What reviewers say

### Drowsebook

[App page](https://appshunter.io/ios/app/drowsebook-read-aloud-ebooks/id6768475647)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Drowsebook Buy Once | $19.99 | one-time |
| Drowsebook Supporter | $39.99 | one-time |


### Delphi

[App page](https://appshunter.io/ios/app/delphi-classics-read-aloud/id6795305910)

This app provides a synchronized reading and listening experience for classic literature. As the audio plays, the text is highlighted, and you can tap any sentence to resume narration from that exact point. Enjoy offline access to a curated library of timeless works.

**Highlights:** Synchronized text and audio narration, Tap to play sentence feature, Offline reading and listening, Automatic resume functionality, Bookmark saving, Background playback

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

**In-app purchases:** none


## Frequently asked questions

### Is Drowsebook free?

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

### Is Delphi free?

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

### Do Drowsebook or Delphi have ads?

Neither Drowsebook nor Delphi shows ads.

### Which is updated more often, Drowsebook or Delphi?

Drowsebook ships an update every 2 weeks, and Delphi every 4 days. Most recently, Drowsebook was updated on October 31, 2026 and Delphi on October 31, 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.*