# Eggert Aquatics vs Grind Train Perform

The clearest difference is update cadence: Eggert Aquatics at every 3 weeks against Grind Train Perform's every 6 months. Eggert Aquatics also leads on iOS requirement (13.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

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

Eggert Aquatics ships an update every 3 weeks, Grind Train Perform every 6 months. The most recent releases landed on October 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Eggert Aquatics | Grind Train Perform |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Size | 57 MB | 124 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Eggert Aquatics](https://appshunter.io/developer/1784561752) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### Eggert Aquatics

[App page](https://appshunter.io/ios/app/eggert-aquatics/id6739266968)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Grind Train Perform

[App page](https://appshunter.io/ios/app/grind-train-perform/id6751733899)

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

**In-app purchases:** none


## Frequently asked questions

### Is Eggert Aquatics free?

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

### Is Grind Train Perform free?

Grind Train Perform is free to download, with no in-app purchases.

### Do Eggert Aquatics or Grind Train Perform have ads?

Neither Eggert Aquatics nor Grind Train Perform shows ads.

### Which is updated more often, Eggert Aquatics or Grind Train Perform?

Eggert Aquatics ships an update every 3 weeks, and Grind Train Perform every 6 months. Most recently, Eggert Aquatics was updated on October 5, 2026 and Grind Train Perform 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.*