---
title: "Critical Swim Speed — App Overview"
url: https://marlvel.ai/intel-report/sports/critical-swim-speed
category: Sports
developer: Ed Stivala Limited
platforms: ios, android
rating: N/A (0 ratings)
pricing: paid
report_level: overview
generated: 2026-05-05
last_verified: "2026-05-05T06:59:04.175Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** This is a niche, paid utility focused on calculating and tracking specific swim performance metrics for data-oriented athletes.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Sports |
| Rating | N/A ★ (0) |
| Pricing | paid |
| Platforms | iOS, Android |
| Latest Version (iOS) | 1.4.1 |
| Latest Version (Android) | V8 |
| Developer | Ed Stivala Limited |

<!-- SECTION: Summary -->
## What is Critical Swim Speed?

Critical Swim Speed is a sports utility app designed to help swimmers optimize their training intensity using the Critical Swim Speed (CSS) metric. It provides a standardized testing protocol and tracking tools to help users monitor their performance improvements over time.

<!-- SECTION: Key Features -->
## Key Features

- **CSS Calculation**: Calculates a user's Critical Swim Speed based on a standard testing protocol.
- **Testing Protocol Guide**: Provides detailed instructions on how to perform the required swim test.
- **Progress Logging**: Allows users to log and track their swim test results over time.
- **Test Reminders**: Enables users to set alerts for when their next performance test is due.

<!-- SECTION: Target Audience -->
## Who is it for?

Serious swimmers looking to use data-driven metrics to improve their training efficiency.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/critical-swim-speed/id6474135199?uo=4)
- [Google Play](https://play.google.com/store/apps/details?id=hicaltech87.css.criticalswimspeed&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/sports/critical-swim-speed)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/sports/critical-swim-speed).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*