Comparison

Simple Pool vs Acquapilot Scan

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

Head to head
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/

About

Acquapilot Scan

Read full description

Need to replace a part on your pool or spa? Find it in seconds; and know right away where to buy it. FIND ANY PART, SIMPLY • Type a reference, a name, a brand… or scan the barcode • Tap a numbered position on the exploded view: the part appears • Over 29,000 spare parts and equipment referenced: pumps, filters, robots, chlorinators, lights, heat pumps, spas… • For every part: photo, two-way verified compatibility (which equipment? which parts?) and a reliability score; 100% = manufacturer documentation • Direct buy buttons to partner shops, plus your pool professional's stock if they use Acquapilot • The database grows every day; if a part is missing, your search triggers its addition • 3 free searches to try; unlimited with any plan ANALYZE YOUR WATER BY PHOTO • Photograph your test strip: the app reads the colors and gives clear results (pH, chlorine, alkalinity…) • Simple recommendations dosed for your water volume • Free unlimited manual entry TRACK YOUR POOL • Full history and trend charts • Your care products recognized by their label • An up-to-date, exportable water log • Share with your pool professional if they use Acquapilot FREE / PAID; FULLY TRANSPARENT Free: 1 pool, unlimited manual entry, 1 trial photo analysis, 3 parts searches. Plans (yearly subscription) unlock: unlimited photo analyses, unlimited parts search, and the number of pools you need. Prices are shown before any purchase; manage or cancel in your Apple account settings. Brands are mentioned for compatibility reference only; they belong to their respective owners. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Simple Pool4 screens
Acquapilot Scan4 screens

Verdict

The call

The clearest difference is update cadence: Simple Pool at every 6 days against Acquapilot Scan's fortnightly. Acquapilot Scan's advantage is iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases 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 and Acquapilot Scan sells 4 in-app purchases, starting at $6.99 per year. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Simple Pool ships an update every 6 days, Acquapilot Scan fortnightly. The most recent releases landed on October 20, 2026 and October 11, 2026 respectively.

Scorecard2 real differences · 8 level
Simple Pool versus Acquapilot Scan: the parameters behind the verdict, then further details
ParameterSimple PoolAcquapilot Scan
PriceFreeFree
Rating5.0 (21 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings21 — better—
Update frequencyEvery 6 days — betterFortnightly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.615.1 — better
Further details — not scored
Size29 MB39 MB
Age rating4+4+
DeveloperGrey Park, LLCAlexandre Hubeau

In-app purchases

1 purchases

Simple Pool

One-time1
  • SimplePool - Lifetime$9.99
4 purchases

Acquapilot Scan

Subscriptions4
  • Scan — 1 pool$6.991 Year
  • Scan — 3 pools$14.991 Year
  • Scan — 10 pools$22.991 Year
Show 1 more
  • Scan — 100 pools$129.001 Year

Questions

Is Simple Pool free?
Simple Pool is free to download, with in-app purchases available.
Is Acquapilot Scan free?
Acquapilot Scan is free to download, with in-app purchases available.
Do Simple Pool or Acquapilot Scan have ads?
Neither Simple Pool nor Acquapilot Scan shows ads.
Which is updated more often, Simple Pool or Acquapilot Scan?
Simple Pool ships an update every 6 days, and Acquapilot Scan fortnightly. Most recently, Simple Pool was updated on October 20, 2026 and Acquapilot Scan on October 11, 2026.

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