# BioSnail vs Hearing Test by Tinni

The clearest difference is in-app purchases: BioSnail at none against Hearing Test by Tinni's 3. BioSnail also leads on update cadence (every 2 days vs every 3 days) and device support (3 vs 1). Hearing Test by Tinni's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. Hearing Test by Tinni sells 3 in-app purchases, starting at $4.99 per 7 days. BioSnail asks for nothing beyond the download.

BioSnail ships an update every 2 days, Hearing Test by Tinni every 3 days. The most recent releases landed on September 25, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | BioSnail | Hearing Test by Tinni |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (8 ratings)](https://appshunter.io/ios/app/hearing-test-by-tinni/id6760406914/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 3 days |
| Monetization | — | Freemium |
| Size | 19 MB | 29 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Alberto Giancarlo Ferrario](https://appshunter.io/developer/1541207348) | [Andrei Vlad Matei](https://appshunter.io/developer/1482388777) |

## What reviewers say

### BioSnail

[App page](https://appshunter.io/ios/app/biosnail/id6740885494)

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

**In-app purchases:** none


### Hearing Test by Tinni

[App page](https://appshunter.io/ios/app/hearing-test-by-tinni/id6760406914)

This app offers a hearing screening tool to assess your sensitivity across frequencies and identify your tinnitus pitch. It provides personalized sound masking with layered audio, binaural beats for focus or relaxation, and a variety of sleep sounds to aid rest.

**Highlights:** Clinical-style hearing screening, Tinnitus frequency matching, Customizable sound masking, Binaural beats for focus and sleep, Real-time tone and noise generation, Sleep sound mixer with timer, Apple Health sync

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Annual | $14.99 | per year |
| Tinni Pro | $4.99 | one-time |


## Frequently asked questions

### Is BioSnail free?

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

### Is Hearing Test by Tinni free?

Hearing Test by Tinni is free to download, with in-app purchases available.

### Do BioSnail or Hearing Test by Tinni have ads?

BioSnail shows ads; Hearing Test by Tinni does not.

### Which is updated more often, BioSnail or Hearing Test by Tinni?

BioSnail ships an update every 2 days, and Hearing Test by Tinni every 3 days. Most recently, BioSnail was updated on September 25, 2026 and Hearing Test by Tinni on November 7, 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.*