# TTY vs Echo Performance Health

TTY and Echo Performance Health are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TTY ships an update every 11 months, Echo Performance Health every 6 months. Both last shipped on September 17, 2026.

## The numbers

| Metric | TTY | Echo Performance Health |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 6 months** |
| Size | 40 MB | 45 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [THE TRAINING YARD (EXETER) LTD](https://appshunter.io/developer/1742304137) | [The Lab Rehab and Chiropractic LLC](https://appshunter.io/developer/1856234445) |

## What reviewers say

### TTY

[App page](https://appshunter.io/ios/app/tty/id6499065703)

**Features:** macOS Compatibility

**In-app purchases:** none


### Echo Performance Health

[App page](https://appshunter.io/ios/app/echo-performance-health/id6755774749)

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

**In-app purchases:** none


## Frequently asked questions

### Is TTY free?

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

### Is Echo Performance Health free?

Echo Performance Health is free to download, with no in-app purchases.

### Do TTY or Echo Performance Health have ads?

Neither TTY nor Echo Performance Health shows ads.

### Which is updated more often, TTY or Echo Performance Health?

TTY ships an update every 11 months, and Echo Performance Health every 6 months. Most recently, TTY was updated on September 17, 2026 and Echo Performance Health on September 17, 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.*