Comparison

Pool Heater vs Simple Pool

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

Head to head
About

Pool Heater

Features
Read full description

It is a smart control system for your pool heater management, you can remote control your heat pump anytime anywhere with this APP by connecting the local Wi-Fi network or remotely over the Internet, it likes bring your pool heater in the pocket. Easy to read program With the app, you are able to monitor the state of the heat pump pool heater easily, such as the available hot water volume, the current outlet water temperature, the current running mode, etc. Device sharing With the app, different app account can control and supervise the heat pump running by sharing the heat pumps. You are able to set the state of the heat pump pool heater, such as ON/OFF setting, target water temperature setting, mode setting, timer setting, etc. Malfunction feedback With the app, you can get notified when your pool heater is activated, or when something is wrong. Heater didn’t work normally or you lost your Wi-Fi connection, you will know when it happens, in real time. Schedule Setting With the app, You can set the schedule and mange the heat pump easily. The app will show you the daily, weekly, monthly and yearly operation cost totals. It means there are no more surprise bills, because you are in complete control.

About

Simple Pool

This app helps you precisely test, dose, and track your pool and spa water chemistry. It offers practical dosing recommendations and tools to simplify routine maintenance for various pool types. Get accurate chemical calculations without ongoing fees.

Highlights
  • Water test logging
  • Dosing recommendations
  • Chemical tracking
  • LSI/CSI monitoring
  • Shock treatment mode
  • Test reminders
  • Chemical effects preview
Features
Read full description

Unlock crystal-clear pool water with Simple Pool - the pool chemistry calculator with no subscription, ever. One purchase, lifetime access. Simple Pool helps you test, dose, and track your pool water chemistry with precision. Get CYA-aware sanitizer targets, practical dosing recommendations, and powerful tools that make routine pool maintenance faster and easier. Whether you manage a chlorine pool, saltwater pool, bromine pool, or hot tub and spa, Simple Pool gives you accurate chemical calculations - including algae treatment dosing - every time. No more overspending at the pool store - just enter your test results and get exactly what your pool needs. What you can do: • Keep a chemical log of every addition with the unified Activity History • Log full water tests or Quick Tests in seconds • Built-in LSI calculator tracks the Langelier Saturation Index (LSI/CSI) to prevent scale and corrosion • Get dosing recommendations for chlorine, acid, total alkalinity, calcium hardness, stabilizer, and more • Set your exact chlorine concentration and acid strength for precise dosing • Use Shock Treatment mode (chlorine/saltwater pools) with progress tracking • Set recurring test reminders and shock retest reminders • Use the Chemical Effects Calculator to preview chemical changes before dosing • Track trends and test history over time with interactive charts • Haptic feedback confirms pool status at a glance • Support for chlorine, saltwater, and bromine pools • Keep visual track of how your pool is doing over time by snapping a photo during water testing • Share your pool's progress by tapping the share icon on your water test details Simple Pool Pro (one-time purchase, no subscription): • One-time purchase - no subscription, no recurring fees • Unlimited pools and spas • Full test and activity history • 90-day and all-time trend ranges • iCloud sync across Apple devices Free includes: • 1 pool • Test logging and dosing recommendations • 7-day and 30-day trends • 30 days of history Spend less time managing pool chemicals and more time enjoying your pool. Download Simple Pool and make pool care simple. Links: • Privacy Policy: https://sites.google.com/view/simple-pool-privacy-policy/home • Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Pool Heater4 screens
Simple Pool4 screens

Verdict

The call

The clearest difference is in-app purchases: Pool Heater at none against Simple Pool's 1. Pool Heater also leads on iOS requirement (9.0 vs 17.6). Simple Pool's advantage is update cadence (every 6 days vs every 2 months). On price, 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. Simple Pool sells 1 one-off in-app purchase. Pool Heater asks for nothing beyond the download.

UpkeepUpdate frequency

Pool Heater ships an update every 2 months, Simple Pool every 6 days. The most recent releases landed on October 26, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
Pool Heater versus Simple Pool: the parameters behind the verdict, then further details
ParameterPool HeaterSimple Pool
PriceFreeFree
Rating—5.0 (21 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—21 — better
Update frequencyEvery 2 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS9.0 — better17.6
Further details — not scored
Size24 MB29 MB
Age rating4++4
DeveloperGuangdong Chico Electronic Inc.Grey Park, LLC

In-app purchases

None

Pool Heater

No in-app purchases

1 purchases

Simple Pool

One-time1
  • SimplePool - Lifetime$9.99

Questions

Is Pool Heater free?
Pool Heater is free to download, with no in-app purchases.
Is Simple Pool free?
Simple Pool is free to download, with in-app purchases available.
Do Pool Heater or Simple Pool have ads?
Neither Pool Heater nor Simple Pool shows ads.
Which is updated more often, Pool Heater or Simple Pool?
Pool Heater ships an update every 2 months, and Simple Pool every 6 days. Most recently, Pool Heater was updated on October 26, 2026 and Simple Pool on November 5, 2026.

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