# FullScale Hearing Test vs Keepwear

The clearest difference is device support: FullScale Hearing Test at 3 against Keepwear's 1. FullScale Hearing Test also leads on iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. FullScale Hearing Test sells 3 one-off in-app purchases and Keepwear sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | FullScale Hearing Test | Keepwear |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 445 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Altitude Audio](https://appshunter.io/developer/1736195719) | [MULTITECHNIQUE BUSINESS COMAPNUY INVESTMENT](https://appshunter.io/developer/1182755588) |

## What reviewers say

### FullScale Hearing Test

[App page](https://appshunter.io/ios/app/fullscale-hearing-test/id6479536403)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FullScale AI Credits | $2.99 | one-time |
| Hearing Test Extended Report | $4.99 | one-time |
| Fullscale Extended Report | $4.99 | one-time |


### Keepwear

[App page](https://appshunter.io/ios/app/keepwear-retainer-and-aligner/id6812887666)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Keepwear Pro Monthly | $4.99 | per month |
| Keepwear Pro Yearly | $24.99 | per year |
| Keepwear Pro Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is FullScale Hearing Test free?

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

### Is Keepwear free?

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

### Do FullScale Hearing Test or Keepwear have ads?

Neither FullScale Hearing Test nor Keepwear shows ads.

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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.*