Comparison

PoolChem Tracker vs Pool Chemistry Assistant

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

Head to head
About

PoolChem Tracker

This app provides precise pool chemical dosing recommendations based on your test results and pool size. It calculates a health score for your water and offers a prioritized action list to maintain balance. Works offline with no account required.

Highlights
  • Precise dosing recommendations
  • Pool Health Score (0-100)
  • Prioritized action list
  • CYA-adjusted chlorine targets
  • LSI calculator
  • Chemical inventory tracking
  • Offline functionality
Features
Read full description

Stop guessing. Start knowing. Enter your water test results and get exact dosing recommendations for your pool size: what to add, how much, and in what order. A simple Pool Health Score (0-100) shows you where your water stands at a glance. No account. No ads. No internet required. Your data stays on your device. Works with chlorine pools, saltwater (SWG) pools, and all pool types. Imperial and Metric units supported. Free: includes 5 complete water test logs • Precise chemical doses calculated for your pool size • Pool Health Score with prioritized treatment steps to avoid overcorrecting • CYA-adjusted chlorine targets • Log FC, TC, pH, Total Alkalinity, Calcium Hardness, CYA, Salt, Iron, Copper, and Phosphates • Full LSI (Langelier Saturation Index) calculator • Smart validation to catch typos before saving • Equipment maintenance tracker with reminders for skimmer, pump basket, filter, and SWG cell • Chemical inventory tracking • Built-in reference guide with recommended ranges • Automatic light and dark mode Pro: one-time purchase, no subscription • Unlimited water test history • Charts and long-term trend tracking • Detailed Health Score breakdown with per-parameter analysis • Trend detection with actionable insights • Six climate zone presets for more accurate water balance targets • Borate tracking (30-50 ppm target range) • Maintenance history and custom maintenance schedules • Advanced reminders with custom intervals • Liquid chlorine and muriatic acid concentration settings • Advanced LSI factor breakdown with a "What If?" simulator • CSV export and import Built by a pool owner who wanted accurate, straightforward chemistry guidance without the guesswork or the subscription fee.

About

Pool Chemistry Assistant

Features
Read full description

This app was created so you don't have to go all over the internet and search for all sorts of different answers. It gives you a way to track your basic pool chemistry and also provides basic recommendations to correct pool chemistry so your water is nice and clear. NOTE: If your pool water is completely jacked up, seek professional help in clearing up and sanitizing your pool. This app is intended to help the average pool owner and not be a definitive solution for pool chemistry. The creators of the Pool Chemistry Assistant app make no guarantees or warranty any solutions or results when relying or using the app. Basic functions include: - Having multiple pools (if you're that rich or just want to help others with their pools) - Calculate pool capacity based on basic round or rectangular shape - Has a toggle for if you're using the PoolRX pod in your pump intake basket - Record pH, Chlorine, and Alkalinity readings. - Provide a Treatment Dosage report based on your readings and what to add based on your pool volume. - Log & Notes page shows a graph of 3 weeks of the 3 main readings logged. - You can edit the log entries after you've saved them. - You can save your recordings and logs to iCloud for a back-up but, all data is kept on your device. Any feedback is welcome and appreciated.

Screenshots

PoolChem Tracker4 screens
Pool Chemistry Assistant4 screens

Verdict

The call

The clearest difference is in-app purchases: Pool Chemistry Assistant at none against PoolChem Tracker'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. PoolChem Tracker sells 1 one-off in-app purchase. Pool Chemistry Assistant asks for nothing beyond the download.

UpkeepUpdate frequency

PoolChem Tracker ships an update every 5 days, Pool Chemistry Assistant every 6 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
PoolChem Tracker versus Pool Chemistry Assistant: the parameters behind the verdict, then further details
ParameterPoolChem TrackerPool Chemistry Assistant
PriceFreeFree
Rating4.6 (8 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings8 — better—
Update frequencyEvery 5 days — betterEvery 6 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.4 — better26.5
Further details — not scored
Size12 MB2 MB
Age rating4+4+
DeveloperJeffrey ThompsonJeremy Gibson

In-app purchases

1 purchases

PoolChem Tracker

One-time1
  • PoolChem Pro$4.99
None

Pool Chemistry Assistant

No in-app purchases

Questions

Is PoolChem Tracker free?
PoolChem Tracker is free to download, with in-app purchases available.
Is Pool Chemistry Assistant free?
Pool Chemistry Assistant is free to download, with no in-app purchases.
Do PoolChem Tracker or Pool Chemistry Assistant have ads?
Neither PoolChem Tracker nor Pool Chemistry Assistant shows ads.
Which is updated more often, PoolChem Tracker or Pool Chemistry Assistant?
PoolChem Tracker ships an update every 5 days, and Pool Chemistry Assistant every 6 days. Most recently, PoolChem Tracker was updated on October 24, 2026 and Pool Chemistry Assistant on October 31, 2026.

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