Comparison

Public Safety Dive Calculator vs EMT Prep Practice Test

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

Head to head
About

Public Safety Dive Calculator

This app provides a quick and reliable toolkit for public safety dive teams to calculate essential dive planning values. It includes calculators for gas partial pressure, consumption, surface air consumption, tank factor, tank volume, and maximum operating depth. Designed for speed and clarity in field use, it serves as an educational aid for divers, supervisors, and instructors.

Highlights
  • Gas Partial Pressure (PP) calculator
  • Gas Consumption calculator
  • Surface Air Consumption (SAC) calculator
  • Tank Factor calculator
  • Tank Volume calculator
  • Maximum Operating Depth (MOD) calculator
  • Quick inputs and easy-to-read output
Features
Read full description

Public Safety Dive Calculator is a fast, field-ready toolkit built for public safety dive teams who need quick, reliable dive math without the clutter. Whether you’re planning a training evolution or preparing for an operational dive, this app helps you calculate common values used in dive planning—clearly and efficiently. Key Calculators Included Gas Partial Pressure (PP) - Gas Consumption - Surface Air Consumption (SAC) - Tank Factor - Tank Volume - Maximum Operating Depth (MOD) Built for Public Safety Use - Quick inputs and easy-to-read output -Designed for speed during briefings and planning - Useful for divers, supervisors & instructors Important Notice This app is intended as an educational and planning aid. Always verify results and follow your department SOPs, training standards & safe diving practices.

About

EMT Prep Practice Test

Features
Read full description

Find out and improve your information answering the questions and learn new knowledge about emergency medical technician (EMT) by this app. The quiz will cover the entire spectrum of EMS care including: Airway, Respiration & Ventilation; Cardiology & Resuscitation; Trauma; Medical; Obstetrics/Gynecology and Operations. With our app, everything you need to know to ace the test is right at your fingertips. Stop worrying and start studying with our EMT practice test. APP FEATURES: Offline Access – Use the full question bank anytime, without an internet connection. Interactive Dashboard – View your performance trends, accuracy rates, and overall progress at a glance. Review Mode – Revisit previous questions, check correct answers, and strengthen weak areas. Statistics Module – Detailed analytics showing score history, category performance, streaks, and improvement charts. Search Mode – Quickly find specific topics, terms, or questions using the integrated search tool. High-Yield Content – Covers essential clinical topics, ideal for exams and quick revision. User-Friendly Interface – Clean layout designed for fast learning and efficient study sessions.

Screenshots

Public Safety Dive Calculator4 screens
EMT Prep Practice Test4 screens

Verdict

The call

The clearest difference is price: Public Safety Dive Calculator at Free against EMT Prep Practice Test's $1.99. Public Safety Dive Calculator also leads on update cadence (every 3 months vs every 58 months). EMT Prep Practice Test's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.6). On ads and in-app purchases 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

Public Safety Dive Calculator is free to download; EMT Prep Practice Test costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Public Safety Dive Calculator ships an update every 3 months, EMT Prep Practice Test every 58 months. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
Public Safety Dive Calculator versus EMT Prep Practice Test: the parameters behind the verdict, then further details
ParameterPublic Safety Dive CalculatorEMT Prep Practice Test
PriceFree — better$1.99
Rating2.3 (4 ratings) — better—
Positive reviews25.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 3 months — betterEvery 58 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.611.0 — better
Further details — not scored
Size3 MB10 MB
Age rating4+12+
DeveloperPublic Safety Dive Supply LLCNurten PIRLI

In-app purchases

None

Public Safety Dive Calculator

No in-app purchases

None

EMT Prep Practice Test

No in-app purchases

Questions

Is Public Safety Dive Calculator free?
Public Safety Dive Calculator is free to download, with no in-app purchases.
Is EMT Prep Practice Test free?
EMT Prep Practice Test costs $1.99, with no in-app purchases.
Do Public Safety Dive Calculator or EMT Prep Practice Test have ads?
Neither Public Safety Dive Calculator nor EMT Prep Practice Test shows ads.
Which is updated more often, Public Safety Dive Calculator or EMT Prep Practice Test?
Public Safety Dive Calculator ships an update every 3 months, and EMT Prep Practice Test every 58 months. Most recently, Public Safety Dive Calculator was updated on November 1, 2026 and EMT Prep Practice Test on October 25, 2026.

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