# DDeBook vs VoiceDoctor

The clearest difference is update cadence: VoiceDoctor at every 6 days against DDeBook's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DDeBook ships an update every 5 months, VoiceDoctor every 6 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | DDeBook | VoiceDoctor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/voicedoctor-accent-training/id6765840449/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 days** |
| Monetization | — | Free |
| Size | 43 MB | 41 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Openserve Co.,Ltd.](https://appshunter.io/developer/479158615) | [Ivo Wolters](https://appshunter.io/developer/1893897876) |

## What reviewers say

### DDeBook

[App page](https://appshunter.io/ios/app/ddebook/id957285316)

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

**In-app purchases:** none


### VoiceDoctor

[App page](https://appshunter.io/ios/app/voicedoctor-accent-training/id6765840449)

Improve your English pronunciation and refine your accent with this app. It offers structured lessons, real-time voice feedback, and visual guides to help you master individual sounds and speak more naturally.

**Highlights:** Structured 5-level progression for each sound, Real-time voice comparison, Visual tongue diagrams, Complete sound library, Progress tracking, Instant voice feedback with ratings

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DDeBook free?

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

### Is VoiceDoctor free?

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

### Do DDeBook or VoiceDoctor have ads?

Neither DDeBook nor VoiceDoctor shows ads.

### Which is updated more often, DDeBook or VoiceDoctor?

DDeBook ships an update every 5 months, and VoiceDoctor every 6 days. Most recently, DDeBook was updated on October 24, 2026 and VoiceDoctor on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*