---
title: "Hearing Number — App Overview"
url: https://marlvel.ai/apps/hearing-number
category: Health & Fitness
developer: Mimi Hearing Technologies
platforms: ios
rating: 4.9 (465 ratings)
pricing: free
report_level: overview
generated: 2026-05-08
last_verified: "2026-05-08T19:32:55.662Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** This app provides a non-commercial, self-administered hearing assessment tool designed to help users track their auditory health.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Health & Fitness |
| Rating | 4.9 ★ (465) |
| Pricing | free |
| Platforms | iOS |
| Latest Version (iOS) | 1.2.0 |
| Developer | Mimi Hearing Technologies |

<!-- SECTION: Summary -->
## What is Hearing Number?

Hearing Number is a health tool developed by the Johns Hopkins Bloomberg School of Public Health that allows users to measure their hearing sensitivity across four frequencies. The app provides users with a decibel-based 'Hearing Number' to help them track changes in their hearing health over time. It is notable for its focus on clinical-style self-assessment without any advertising or in-app purchases.

<!-- SECTION: Key Features -->
## Key Features

- **Hearing Level Measurement**: Tests hearing levels at four distinct frequencies for each ear to determine a decibel-based Hearing Number.
- **Environmental Noise Check**: Assesses the ambient noise level of the user's surroundings to ensure testing accuracy.
- **Longitudinal Tracking**: Allows users to record and monitor their hearing results over time to identify potential changes.
- **Ad-Free Experience**: The app operates without advertising, in-app purchases, or third-party product recommendations.

<!-- SECTION: Target Audience -->
## Who is it for?

Individuals interested in monitoring their hearing health and tracking changes in auditory sensitivity over time.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/hearing-number/id6630381789?uo=4)
- [Full Intelligence Report](https://marlvel.ai/apps/hearing-number)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/hearing-number).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*