Swim Guide is a reference app providing water quality data for over 8,000 beaches and swimming holes on iOS and Android.

The App DNA

What makes this app unique?

Users hire Swim Guide to verify recreational water safety before travel, reducing the risk of exposure to contaminated water bodies.

For Outdoor enthusiasts, swimmers, and families seeking safe recreational water access in Canada, the U.S., and international regions.

What does it look like?

Key features

Water Quality Mappingedge

Interactive map displaying real-time water quality status for over 8,000 beaches and swimming holes.

Pollution Reportingedge

In-app tool for users to report local pollution incidents to the organization.

How much does it cost?

freeFree access to all features and data

The app operates as a charitable tool with no monetization gates, relying on donations and grants to support the organization's mission.

Velocity

Intense developmentShow more...

5 versions in history. Development pace: intense.

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Who built it?

Swim Drink Fish Canada

1 app tracked · Reference

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User Sentiment

What do users think recently?

Fresh user feedback skews mixed. Users find the water quality monitoring tool helpful for planning safe swimming trips to local beaches.

How are ratings & reviews evolving?

Google Play
3.41 · 190
App Store
3.59 · 37

What users say, by theme

What Users Love
  • Users find the water quality monitoring tool helpful for planning safe swimming trips to local beaches
  • The app provides a convenient way to discover new swimming spots and public beaches while traveling
  • Community members value the ability to report pollution incidents to local water advocacy organizations through the app
What Frustrates Users
  • Obstructed UI elements and unresponsive navigation buttons prevent users from accessing core features on modern phone models
+ 2 more themes
What Users Want 2 requests inside

36 of 36 recent reviews analyzed · high confidence · Mixed overall

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Competition

Competitive landscape for Swim Guide

How's the Reference market?

Swim Guide maintains a niche position in the Reference category with a 3.59-star rating across 36 reviews on iOS. The lack of monetization gates distinguishes it from commercial travel guides, but technical instability limits its growth relative to the 8,000-beach database scale.

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The rivals identified

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The Analyst's Read

Key takeaways for Swim Guide

Where is it heading?

The recreational water safety market is consolidating around high-reliability, real-time data sources. Swim Guide's current maintenance-mode cadence leaves it exposed to churn, as users prioritize reliability over the app's charitable mission during critical summer usage windows.

  • Persistent application crashes during planned beach trips erode the daily active habit, which compounds the rating drag already visible on Android.
  • Recent updates focused on stability, but the lack of feature expansion leaves the app vulnerable to more modern, data-rich travel alternatives.

The SWOT

Core Strengths
  • Charitable, ad-free model builds high user trust
  • 8,000+ beach database creates a significant barrier to entry
Critical Frictions 3 weaknesses inside
Growth Levers
  • Expansion of beach metadata (tide, temperature)
  • Formalizing B2B partnerships with local tourism boards
Market Threats 2 threats identified

Next best moves

1 Invest · 1 Maintain

Rebuild navigation UI because header elements are hidden on modern devices → improve core feature accessibility

+ 1 more prioritized move

The counter-intuitive read

The app's charitable, ad-free model is a liability rather than a strength…

Read the full take

Since the last report: The app introduced pollution reporting features but faces increased user friction due to technical instability and UI navigation failures on modern hardware.

Bottom line

Swim Guide provides essential safety utility but suffers from critical technical instability that erodes user trust, so the team must prioritize UI responsiveness and location-service accuracy to prevent churn to local government alternatives.

Unlock 3 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.

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Sources

  1. [1] App Store listing, source

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Swim Guide, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

The app introduced pollution reporting features but faces increased user friction due to technical instability and UI navigation failures on modern hardware.

added

Pollution Reporting

declined

Technical Stability

shifted

Executive Summary Tone

added

New SWOT Items

Cite this report

Marlvel.ai. “Swim Guide Intelligence Report.” Updated Aug 13, 2026. https://marlvel.ai/apps/swim-guide

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