# E4 Mafia vs Deep Voice Training

The clearest difference is price: Deep Voice Training at Free against E4 Mafia's $0.99. E4 Mafia's advantage is in-app purchases (none vs 17) and ads (none vs shown).

Deep Voice Training is free to download; E4 Mafia costs $0.99 up front. Deep Voice Training sells 17 in-app purchases, starting at $3.99 per 7 days. E4 Mafia asks for nothing beyond the download.

E4 Mafia ships an update every 3 days, Deep Voice Training every 3 weeks. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | E4 Mafia | Deep Voice Training |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.7 (153 ratings)](https://appshunter.io/ios/app/deep-voice-training-deeper/id6756211670/reviews)** |
| Number of ratings | — | **153** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 37 MB | 76 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Polemics Applications LLC](https://appshunter.io/developer/482504032) | [Michael TOURNAUD](https://appshunter.io/developer/6790742436) |

## What reviewers say

### E4 Mafia

[App page](https://appshunter.io/ios/app/e4-mafia/id6739071824)

**Features:** macOS Compatibility

**In-app purchases:** none


### Deep Voice Training

[App page](https://appshunter.io/ios/app/deep-voice-training-deeper/id6756211670)

Enhance your vocal presence with guided exercises and in-depth analysis. This app helps you develop a deeper, more resonant voice through personalized training and progress tracking.

**Highlights:** Voice depth analysis, Personalized daily exercises, Dynamic progress tracking, Science-backed approach, Resonance training, Breathing techniques

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

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Deepr Pro Weekly | $3.99 | per 7 days |
| Deepr Pro Weekly | $4.99 | per 7 days |
| Deepr Pro Weekly | $4.99 | per 7 days |
| Deepr Pro Monthly | $7.99 | per month |
| Deepr Pro Monthly | $12.99 | per month |
| Deepr Pro Annual | $14.99 | per year |
| Deepr Pro Monthly | $14.99 | per month |
| Deepr Pro Annual | $19.99 | per year |
| Deepr Pro Annual Offer | $19.99 | per year |
| Deepr Pro Annual | $24.99 | per year |
| Deepr Pro Annual | $24.99 | per year |
| Deepr Pro Annual | $29.99 | per year |
| Deepr Pro Annual | $49.99 | per year |
| Deepr Pro Annual | $59.99 | per year |
| Unlock your results | $0.99 | one-time |
| Unlock your results | $1.99 | one-time |
| Unlock your results | $2.99 | one-time |


## Frequently asked questions

### Is E4 Mafia free?

E4 Mafia costs $0.99, with no in-app purchases.

### Is Deep Voice Training free?

Deep Voice Training is free to download, with in-app purchases available.

### Do E4 Mafia or Deep Voice Training have ads?

Deep Voice Training shows ads; E4 Mafia does not.

### Which is updated more often, E4 Mafia or Deep Voice Training?

E4 Mafia ships an update every 3 days, and Deep Voice Training every 3 weeks. Most recently, E4 Mafia was updated on October 7, 2026 and Deep Voice Training 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.*