Comparison

PoolVault vs ChlorCast

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PoolVault

This app simplifies pool maintenance by using AI to analyze test strips from a photo. It provides a health score, personalized chemical recommendations, and tracks your pool's history and equipment. Manage your pool care effortlessly with smart insights and a maintenance log.

Highlights
  • AI test strip scanning
  • Pool health score
  • Personalized chemical recommendations
  • Chemical inventory tracking
  • Full history and trends
  • Equipment and maintenance logging
  • Troubleshooting wizard
Features
Read full description

Pool Vault takes the guesswork out of pool maintenance. Just snap a photo of your test strip and let AI do the rest -- you'll get a full water analysis, a health score, and step-by-step instructions on exactly what to add and how much. HOW IT WORKS Dip your test strip like you normally would Open Pool Vault and snap a photo Get instant results with a clear health score Follow personalized chemical recommendations That's it. No charts. No math. No squinting at color pads in the sun. WHAT YOU GET AI-Powered Strip Scanning -- Supports AquaChek, HTH, Clorox, Taylor, and Poolmaster strips. The AI reads your strip against brand-specific reference charts for accurate results. Pool Health Score -- One number that tells you how your water is doing, with color-coded breakdowns for pH, chlorine, alkalinity, hardness, and more. Smart Recommendations -- Know exactly which chemicals to add, how much based on your pool size, and how long to wait between treatments. No more overdosing or guessing. Chemical Inventory -- Track what you have on hand so you never run out mid-season. Low stock alerts keep you ahead of the game. Full History & Trends -- See how your water quality changes over time with charts and logged results. Spot problems before they become expensive. Equipment Tracker -- Log your pump, filter, heater, and SWG with model numbers and warranty dates. Everything in one place. Maintenance Log -- Record backwashes, filter cleans, and seasonal tasks. Never wonder "when did I last do that?" Troubleshooting Wizard -- Green water? Cloudy pool? Walk through guided steps to diagnose and fix common problems fast. Shopping List -- AI suggests what you need, and you can tap to buy on Amazon. Weather Integration -- Real-time conditions and UV index so you know how the weather is affecting your water. Works with salt, chlorine, and bromine pools. Inground or above ground. Your data is encrypted and synced across devices. Your pool, your data, always private. BUILT FOR REAL POOL OWNERS We built Pool Vault because we were tired of apps that make pool care more complicated than it needs to be. This one just works. Dip, snap, done. Questions or feedback? We'd love to hear from you. Terms of Use (EULA): https://poolvault.onrender.com/terms

About

ChlorCast

This app simplifies pool care by logging water tests, providing chemistry guidance, and forecasting chlorine levels. It helps users understand their pool's needs and maintain balanced water with practical, actionable advice.

Highlights
  • Log quick and full chemistry tests
  • Get chemistry fix recommendations
  • Forecast chlorine loss with weather data
  • Track test history and water changes
  • Manage chemical inventory
  • Set maintenance reminders
Features
Read full description

ChlorCast helps you stay ahead of water problems by combining fast test logging, clear chemistry guidance, chlorine forecasting, and maintenance tracking in one simple app. Whether you want a quick daily chlorine and pH check or a full chemistry snapshot, ChlorCast helps you understand your pool and know exactly what to do next. With every test you log, ChlorCast turns your readings into practical next steps. Instead of leaving you with numbers alone, the app highlights what needs attention, estimates chemical adjustments, and helps you keep your water balanced with more confidence. Weather-aware chlorine forecasting also helps you prepare for days when heat, sun, and rain may drive chlorine down faster than usual. ChlorCast is designed for real-world pool ownership, not just calculations. It gives you a current water snapshot, tracks test history over time, helps you monitor chemical inventory, and keeps useful pool-side references close at hand. The result is a cleaner, more organized way to manage your pool all season long. Features: • Log quick tests for free chlorine and pH • Record full chemistry tests including FC, pH, CC, TA, CH, CYA, and temperature • Get fix recommendations based on your latest readings • See when water needs attention and what action to take next • Forecast chlorine loss using weather conditions and upcoming trends • Track test history and monitor changes over time • View a current water health snapshot and seasonal metrics • Manage chemical inventory and estimated chemical costs • Keep maintenance records in one place • Use built-in conversion references while testing pool-side • Set reminders for quick tests, full tests, and forecast-driven chlorine checks ChlorCast is built to help pool owners stay proactive, reduce uncertainty, and spend less time guessing at water care. From daily upkeep to longer-term chemistry trends, it gives you a clearer picture of your pool and a better plan for keeping it swim-ready. If you want a smarter way to test, track, forecast, and maintain your pool water, ChlorCast is ready to help.

Screenshots

PoolVault4 screens
ChlorCast3 screens

Verdict

The call

The clearest difference is in-app purchases: ChlorCast at none against PoolVault's 1. PoolVault's advantage is iOS requirement (16.0 vs 26.0). On price, rating, ratings volume and update cadence there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PoolVault sells 1 in-app purchase, starting at $4.99 per month. ChlorCast asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for PoolVault against 5.0 for ChlorCast. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

PoolVault ships an update fortnightly, ChlorCast every 8 days. The most recent releases landed on September 29, 2026 and July 21, 2026 respectively.

Scorecard3 real differences · 6 level
PoolVault versus ChlorCast: the parameters behind the verdict, then further details
ParameterPoolVaultChlorCast
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyFortnightlyEvery 8 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better26.0
Further details — not scored
Size27 MB6 MB
Age rating4+4+
DeveloperCass MieczakowskiSean OBrien

Customer experience

PoolVault

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

ChlorCast

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

PoolVault

Subscriptions1
  • Pool Vault Premium$4.991 Month
None

ChlorCast

No in-app purchases

Questions

Is PoolVault free?
PoolVault is free to download, with in-app purchases available.
Is ChlorCast free?
ChlorCast is free to download, with no in-app purchases.
Which has better reviews, PoolVault or ChlorCast?
PoolVault and ChlorCast are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do PoolVault or ChlorCast have ads?
Neither PoolVault nor ChlorCast shows ads.
Which is updated more often, PoolVault or ChlorCast?
PoolVault ships an update fortnightly, and ChlorCast every 8 days. Most recently, PoolVault was updated on September 29, 2026 and ChlorCast on July 21, 2026.

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