Comparison

Lake Focus App vs Pool Operator Prep

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

Head to head
About

Lake Focus App

Stay informed about your child's academic journey with real-time updates on grades, attendance, and assignments. Access school events, important resources, and update student information conveniently.

Highlights
  • Real-time grade notifications
  • Attendance tracking
  • Assignment and test score updates
  • Positive behavior badges
  • School event calendar
  • Access to district forms and resources
Features
Read full description

Keep connected with your student's learning in Lake County, Florida using the Lake Focus App. Receive real-time notifications of grades, attendance, upcoming assignments, positive behavior badges, and test scores. Conveniently view your student's learning progress and stay up to date on recent events and upcoming school activities. Update your student's information with district forms and get easy access to important resources to help your child succeed.

About

Pool Operator Prep

Features
Read full description

Walk into your pool operator certification exam ready. Pool Operator Prep gives you 1,012 practice questions with a clear explanation for every single answer, so you don't just memorize the right choice - you understand the water chemistry and safety behind it. Built for candidates preparing for the CPO (Certified Pool/Spa Operator) and AFO (Aquatic Facility Operator) exams. WHY IT WORKS Passing isn't about cramming. It's about repeated, targeted practice across every area the exam tests - then reinforcing exactly what you got wrong until it sticks. - 1,012 questions written to match the real exams' style and difficulty - An explanation on every answer, so each question teaches you something - Full coverage: Water Chemistry & Balance - Disinfection & Chlorination - Filtration & Circulation - Pool & Spa Math - Chemical Feed & Testing - Recreational Water Illness - Regulations & Codes - Facility Operation & Safety - Troubleshooting STUDY YOUR WAY - Daily Plan that sizes itself to your exam date and keeps you on pace - Quick 10 for a fast review between shifts - Timed Mode to build exam-day speed and stamina - Smart Review using spaced repetition to resurface weak spots - Full-Length Mock Exam that simulates the real thing - Missed Questions queue so nothing slips through - Custom Quiz to drill any topic on demand TRACK YOUR PROGRESS - Pass probability that updates as you practice - Accuracy broken down by topic - Streaks to keep you consistent - Exam countdown WHO IT'S FOR Pool and aquatic facility operators preparing for the CPO or AFO certification exam. START TODAY Your exam date isn't moving. Start a free trial, take your first Quick 10 today, and watch your pass probability climb. --- SUBSCRIPTION DETAILS Full access is available through an auto-renewing subscription: A free trial is available for new subscribers. Payment will be charged to your Apple ID account at confirmation of purchase. Your subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription. Terms of Use: https://hermesdigitalbr-spec.github.io/pool-legal/terms.html Privacy Policy: https://hermesdigitalbr-spec.github.io/pool-legal/privacy.html Terms of Use (EULA): https://www.apple.com/legal/itunes/appstore/dev/stdeula/

Screenshots

Lake Focus App4 screens
Pool Operator Prep3 screens

Verdict

The call

The clearest difference is in-app purchases: Lake Focus App at none against Pool Operator Prep's 3. Lake Focus App also leads on iOS requirement (13.4 vs 17.0). Pool Operator Prep's advantage is update cadence (every 3 weeks vs every 9 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. Pool Operator Prep sells 3 in-app purchases, starting at $5.99 per 7 days. Lake Focus App asks for nothing beyond the download.

UpkeepUpdate frequency

Lake Focus App ships an update every 9 months, Pool Operator Prep every 3 weeks. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
Lake Focus App versus Pool Operator Prep: the parameters behind the verdict, then further details
ParameterLake Focus AppPool Operator Prep
PriceFreeFree
Rating2.4 (18 ratings) — better—
Positive reviews16.7% of reviews—
Number of ratings18 — better—
Update frequencyEvery 9 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.4 — better17.0
Further details — not scored
Size16 MB9 MB
Age rating4+4+
DeveloperFocus School SoftwareHermes Inteligencia Digital Ltda

In-app purchases

None

Lake Focus App

No in-app purchases

3 purchases

Pool Operator Prep

Subscriptions3
  • Pool Operator Prep Weekly3 Days trial$5.997 Days
  • Pool Operator Prep Monthly3 Days trial$14.991 Month
  • Quarterly$29.993 Months

Questions

Is Lake Focus App free?
Lake Focus App is free to download, with no in-app purchases.
Is Pool Operator Prep free?
Pool Operator Prep is free to download, with in-app purchases available.
Do Lake Focus App or Pool Operator Prep have ads?
Neither Lake Focus App nor Pool Operator Prep shows ads.
Which is updated more often, Lake Focus App or Pool Operator Prep?
Lake Focus App ships an update every 9 months, and Pool Operator Prep every 3 weeks. Most recently, Lake Focus App was updated on October 23, 2026 and Pool Operator Prep on October 25, 2026.

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