# Tidal Tank vs Healthy Performance System

The clearest difference is rating: Healthy Performance System at 5.0 against Tidal Tank's 2.2. Healthy Performance System also leads on device support (4 vs 2). Tidal Tank's advantage is ratings volume (31 vs 1) and iOS requirement (13.0 vs 15.5). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Healthy Performance System holds the better App Store score, 5.0 against 2.2. That said, the two scores are not equally well evidenced: Tidal Tank has 31 ratings behind it against 1, so its average is the more settled of the two.

Tidal Tank ships an update every 6 weeks, Healthy Performance System every 3 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Tidal Tank | Healthy Performance System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.2 (31 ratings)](https://appshunter.io/ios/app/tidal-tank/id1592124481/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/healthy-performance-system/id6760775170/reviews)** |
| Number of ratings | **31** | 1 |
| Positive reviews | 26.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 65 MB | 204 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Tidal Tank](https://appshunter.io/developer/1592124483) | [Kam Physical Therapy & Performance, Inc.](https://appshunter.io/developer/1886173019) |

## What reviewers say

### Tidal Tank

[App page](https://appshunter.io/ios/app/tidal-tank/id1592124481)

This app provides how-to guides and exercise videos to enhance your full-body workouts using an unstable water-filled weight. It offers a fun and challenging way to train, activating smaller muscles for balance and power, and is portable for use anywhere.

**Highlights:** Full body workout through instability, Adjustable weight up to 49 lbs, Portable and easy to set up, Online training center access, Water level to weight indicator

**In-app purchases:** none


### Healthy Performance System

[App page](https://appshunter.io/ios/app/healthy-performance-system/id6760775170)

A doctor-designed, year-round arm care and performance system for youth baseball players aged 8-18. It focuses on durability, smart progressions, and long-term arm health with structured workouts, recovery routines, and educational content.

**Highlights:** Pre-throw arm care routines, Post-throw recovery flows, Structured weekly workouts, Mobility and joint preparation, Strength & capacity progressions, Clear progression tracking, Age-specific development tracks

**Features:** Apple Wallet, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Tidal Tank free?

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

### Is Healthy Performance System free?

Healthy Performance System is free to download, with no in-app purchases.

### Which has better reviews, Tidal Tank or Healthy Performance System?

Healthy Performance System is rated higher. Tidal Tank averages 2.2 out of 5 from 31 ratings, while Healthy Performance System averages 5.0 from 1 ratings.

### Do Tidal Tank or Healthy Performance System have ads?

Neither Tidal Tank nor Healthy Performance System shows ads.

### Which is updated more often, Tidal Tank or Healthy Performance System?

Tidal Tank ships an update every 6 weeks, and Healthy Performance System every 3 weeks. Most recently, Tidal Tank was updated on October 24, 2026 and Healthy Performance System on October 28, 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.*