# e vs Hear Boost

The clearest difference is in-app purchases: e at none against Hear Boost's 1. e also leads on update cadence (fortnightly vs every 5 months) and iOS requirement (13.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. Hear Boost sells 1 in-app purchase, starting at $12.99 per year. e asks for nothing beyond the download.

e ships an update fortnightly, Hear Boost every 5 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | e | Hear Boost |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/hear-boost-sound-amplifier/id6771321164/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 months |
| Monetization | — | Freemium |
| Size | 90 MB | 3 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NextDrive Co.](https://appshunter.io/developer/1005329987) | [锦荣 陈](https://appshunter.io/developer/1884858245) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e/id1599196953)

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

**In-app purchases:** none


### Hear Boost

[App page](https://appshunter.io/ios/app/hear-boost-sound-amplifier/id6771321164)

This app amplifies sound and enhances speech clarity in real-time, acting as a personal listening device. It reduces background noise to help you hear conversations better in various environments. It's designed for face-to-face communication and works with headphones.

**Highlights:** Unlimited volume boost, Active noise cancellation, Voice and speech enhancement, Zero-lag real-time processing, Works with any headphones, Simple, intuitive interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HearBoost Pro | $12.99 | per year |


## Frequently asked questions

### Is e free?

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

### Is Hear Boost free?

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

### Do e or Hear Boost have ads?

Neither e nor Hear Boost shows ads.

### Which is updated more often, e or Hear Boost?

e ships an update fortnightly, and Hear Boost every 5 months. Most recently, e was updated on October 30, 2026 and Hear Boost 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.*