# FullScale Hearing Test vs Sauna & Steam Tracker

The clearest difference is update cadence: FullScale Hearing Test at every 8 days against Sauna & Steam Tracker's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. FullScale Hearing Test sells 3 one-off in-app purchases and Sauna & Steam Tracker sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

FullScale Hearing Test ships an update every 8 days, Sauna & Steam Tracker every 3 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | FullScale Hearing Test | Sauna & Steam Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 months |
| Size | 443 MB | 15 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Altitude Audio](https://appshunter.io/developer/1736195719) | [Marked Systems](https://appshunter.io/developer/380599268) |

## 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 |


### Sauna & Steam Tracker

[App page](https://appshunter.io/ios/app/sauna-and-steam-tracker/id6751407927)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $12.99 | per year |


## Frequently asked questions

### Is FullScale Hearing Test free?

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

### Is Sauna & Steam Tracker free?

Sauna & Steam Tracker is free to download, with in-app purchases available.

### Do FullScale Hearing Test or Sauna & Steam Tracker have ads?

Neither FullScale Hearing Test nor Sauna & Steam Tracker shows ads.

### Which is updated more often, FullScale Hearing Test or Sauna & Steam Tracker?

FullScale Hearing Test ships an update every 8 days, and Sauna & Steam Tracker every 3 months. Most recently, FullScale Hearing Test was updated on October 27, 2026 and Sauna & Steam Tracker 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.*