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.
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.
- Real-time grade notifications
- Attendance tracking
- Assignment and test score updates
- Positive behavior badges
- School event calendar
- Access to district forms and resources
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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.
Pool Operator Prep
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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
Verdict
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
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.
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.
| Parameter | Lake Focus App | Pool Operator Prep |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (18 ratings) — better | — |
| Positive reviews | 16.7% of reviews | — |
| Number of ratings | 18 — better | — |
| Update frequency | Every 9 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 16 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Focus School Software | Hermes Inteligencia Digital Ltda |
In-app purchases
Lake Focus App
No in-app purchases
Pool Operator Prep
- 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?
Is Pool Operator Prep free?
Do Lake Focus App or Pool Operator Prep have ads?
Which is updated more often, Lake Focus App or Pool Operator Prep?
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