Comparison

PoolBoi vs Spalyzer Pool & Spa

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

Head to head
About

PoolBoi

This app uses AI to analyze pool water test strips via your camera, providing instant, personalized advice for balancing chemicals and maintaining clear water. It offers smart product recommendations and tracks your pool's chemistry over time, eliminating guesswork and trips to the pool store.

Highlights
  • AI-powered test strip analysis
  • Personalized chemical balancing plans
  • Chatbot for pool care questions
  • Smart product recommendations
  • Water chemistry tracking
  • Precise dosage calculator
  • Seasonal testing reminders
Features
Read full description

Point your camera at a test strip. PoolBoi reads every pad in seconds, tells you exactly what's out of balance, and gives you a fix plan tailored to your pool — size, type, sanitizer, and all. No more pool store trips. No more guessing. Whether you're a first-time pool owner or a seasoned pro, PoolBoi keeps your water crystal clear with AI-powered chemistry tracking, personalized advice, and product recommendations — all in one app. Test Your Water, Get Instant Advice Log your test strip results manually or snap a photo with the AI-powered camera. PoolBoi analyzes your readings and tells you exactly what to add, how much, and why — tailored to your specific pool. Chat With Your Pool Expert Ask PoolBoi anything about pool care. From balancing pH to troubleshooting cloudy water to choosing the right shock treatment, you'll get personalized answers based on your pool's size, type, and current chemistry. PoolBoi even recommends specific products when you need them. Smart Product Recommendations Get product suggestions that actually make sense for your pool. PoolBoi factors in your pool type, sanitizer system, water chemistry, and the season to recommend exactly what you need — no more guessing at the pool store. Track Your Chemistry Over Time Keep a history of all your water tests. See how your pool's chemistry changes over time and catch problems before they become expensive. Dosage Calculator Know exactly how much of each chemical to add. PoolBoi calculates precise dosages based on your pool's volume and current readings for pH, chlorine, alkalinity, calcium hardness, and cyanuric acid. Seasonal Reminders PoolBoi knows when pool season starts in your area and sends gentle reminders to test your water. Reminders adjust to how often you actually test — no spam, just helpful nudges. Features: AI chat assistant with personalized pool care advice Test strip camera with color chart analysis Manual reading entry with range support Product recommendations with live Amazon pricing Dosage calculator for all major chemicals Shopping list for pool supplies Test history with color-coded status indicators Seasonal, location-aware test reminders Pool profile with type, size, filter, and sanitizer settings

About

Spalyzer Pool & Spa

Features
Read full description

Spalyzer makes pool and spa care easier. Photograph a supported water tester or test strip. Spalyzer reads chlorine, pH and alkalinity, then calculates clear dosing steps for your pool, hot tub or swim spa. What Spalyzer does • Reads water test values from a photo • Calculates dosing amounts based on pool volume and current readings • Supports chlorine, pH and alkalinity • Lets you save your own pool products in a product library • Gives clear step-by-step recommendations • Warns about critical readings and unsafe combinations • Keeps recent measurements with history and trends Who it is for Spalyzer is built for private pool, hot tub and swim spa owners who want a simpler way to interpret water test results and calculate dosing amounts. Why Spalyzer? Many pool apps start with manual input. Spalyzer starts with a photo. Capture your readings, enter your pool volume and get a practical recommendation for what to do next. Premium Subscription Spalyzer offers an optional auto-renewable subscription, Spalyzer Premium Yearly. The subscription unlocks premium features such as extended measurement history, trends and product library features. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your Apple ID account settings. Privacy Your pool data stays local on your iPhone. Photos are processed only for recognition and are not permanently linked to your identity. Safety notice Spalyzer does not replace professional advice. Always check product labels and follow the manufacturer’s instructions. Pool chemicals can be dangerous when handled incorrectly. Privacy Policy: https://klifter.github.io/spalyzer-legal/privacy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

PoolBoi4 screens
Spalyzer Pool & Spa1 screens

Verdict

The call

The clearest difference is in-app purchases: PoolBoi at none against Spalyzer Pool & Spa's 1. On price, update cadence, ads and device support 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. Spalyzer Pool & Spa sells 1 in-app purchase, starting at $7.99 per year. PoolBoi asks for nothing beyond the download.

UpkeepUpdate frequency

PoolBoi ships an update every 10 days, Spalyzer Pool & Spa every 3 weeks. The most recent releases landed on October 28, 2026 and October 8, 2026 respectively.

Scorecard1 real difference · 9 level
PoolBoi versus Spalyzer Pool & Spa: the parameters behind the verdict, then further details
ParameterPoolBoiSpalyzer Pool & Spa
PriceFreeFree
Rating5.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 10 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size32 MB42 MB
Age rating4+4+
DeveloperAdam HechtTimo Klaeui

In-app purchases

None

PoolBoi

No in-app purchases

1 purchases

Spalyzer Pool & Spa

Subscriptions1
  • Spalyzer Premium7 Days trial$7.991 Year

Questions

Is PoolBoi free?
PoolBoi is free to download, with no in-app purchases.
Is Spalyzer Pool & Spa free?
Spalyzer Pool & Spa is free to download, with in-app purchases available.
Do PoolBoi or Spalyzer Pool & Spa have ads?
Neither PoolBoi nor Spalyzer Pool & Spa shows ads.
Which is updated more often, PoolBoi or Spalyzer Pool & Spa?
PoolBoi ships an update every 10 days, and Spalyzer Pool & Spa every 3 weeks. Most recently, PoolBoi was updated on October 28, 2026 and Spalyzer Pool & Spa on October 8, 2026.

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