Comparison

EMT Prep vs OnScene

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

Head to head
About

EMT Prep

Prepare for your NREMT or EMT employment exams with a comprehensive study guide. Access thousands of questions with detailed explanations across key medical and operational chapters. Track your progress and compare your scores to the community average.

Highlights
  • Thousands of practice questions
  • Detailed explanations
  • Six major NREMT chapters covered
  • Customizable exam options
  • Performance tracking and statistics
  • Community score comparison
Read full description

EMT Study is the most current guide to the NREMT designed and developed from the ground up by currently practicing EMTs and Paramedics. Whether you're studying for the NREMT, an employment exam, or simply an aspiring EMT, this app is for you. EMT Study contains thousands of quality questions with detailed explanations over the six major chapters of the NREMT including Airway, Cardiology, Medical, Obstetrics and Pediatrics, Trauma, and Operations. All material is verified from current textbooks and updated/revised regularly. Key features: - Choose from different exams - Practice with 2000+ questions written by recruited instructors and expert tutors - Track your strengths and weaknesses within Stats section of the app - Study detailed statistics of every test you take - Compare your score to the community average for almost any type of exam *** Purchases, subscriptions and terms You need to buy a lifetime access or subscribe to get access to all features, courses and questions. The cost of the purchase is charged to your iTunes account. Subscriptions are auto-renewable and are billed at the rate and period selected depending on the subscription plan. Users’ accounts are charged for auto-renewal within 24 hours prior to the end of the current period. Subscriptions can be managed and auto-renewal can be turned off in Account Settings in iTunes after the purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Terms of use: https://mastrapi.com/terms Privacy policy: https://mastrapi.com/policy

About

OnScene

Features
Read full description

OnScene is your scenario-based study coach for the NREMT EMT cognitive certification exam — designed to fit between calls, during shift changes, and in the moments when a textbook is too much. Master the exam blueprint: • Scene Size-Up & Safety (15-19%) • Primary Assessment (39-43%) • Secondary Assessment (5-9%) • Patient Treatment & Transport (20-24%) • EMS Operations (10-14%) Inside OnScene: • 450 scenario-based questions across 11 study topics, weighted to the NREMT 5-domain blueprint • 140 spaced-repetition flashcards covering drug indications, dosages, age-banded vitals, and BLS algorithms • Full 60-question practice exam that mirrors the real Pearson VUE adaptive test • Detailed explanations on every question, grounded in the National EMS Education Standards 2021, Scope of Practice 2019, and 2025 AHA Guidelines for CPR & ECC • Streaks, XP, and 17 badges to keep your study habit on duty until test day Free vs. Full Access: Try the EMS Systems unit, 20 flashcards, and one practice topic for free. One-time unlock ($14.99) opens every topic, all 140 flashcards, and the full practice exam — no subscriptions, no ads. Built for: EMT-Basic students, EMR-to-EMT bridges, IFT crews retaking after lapsed certification, and fire academies running NREMT prep blocks. Official sources • NREMT EMT Examination Specifications: https://www.nremt.org/admin/getmedia/4cb170ab-35fa-4ec0-a76c-634847005bc4/EMT-Test-Plan_Public • National EMS Education Standards 2021 (NHTSA, hosted by NAEMSE): https://cdn.ymaws.com/naemse.org/resource/resmgr/files/ems_education_standards_2021.pdf • National EMS Scope of Practice Model 2019 incl. Change Notices 1.0 & 2.0 (NHTSA, hosted by NREMT): https://www.nremt.org/getmedia/d82edd97-1425-423f-954c-fdd63cf1daa3/National_EMS_Scope_of_Practice_Model_2019_Change_Notices_1_and-_2_August_2021 • 2025 AHA Guidelines for CPR & ECC (Highlights): https://cpr.heart.org/-/media/CPR-Files/2025-documents-for-cpr-heart-edits-posting/Resuscitation-Science/252500_Hghlghts_2025ECCGuidelines.pdf Disclaimer OnScene is an independent study aid based on the NREMT EMT Examination Specifications (2023 Practice Analysis), the National EMS Education Standards 2021, the National EMS Scope of Practice Model 2019, and the 2025 AHA Guidelines for CPR and ECC. It is not affiliated with, endorsed by, or sponsored by the NREMT, NHTSA, the American Heart Association, or any other organization.

Screenshots

EMT Prep4 screens
OnScene4 screens

Verdict

The call

The clearest difference is iOS requirement: EMT Prep at 13.0 against OnScene's 15.0. On price, update cadence, 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

Both are free to download. EMT Prep sells 3 in-app purchases, starting at $3.99 per 7 days and OnScene sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

EMT Prep ships an update monthly, OnScene every 2 months. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

Scorecard1 real difference · 9 level
EMT Prep versus OnScene: the parameters behind the verdict, then further details
ParameterEMT PrepOnScene
PriceFreeFree
Rating4.7 (1.6K ratings) — better—
Positive reviews25.0% of reviews—
Number of ratings1.6K — better—
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.0
Further details — not scored
Size35 MB20 MB
Age rating4+4+
DeveloperMastrAPIFireside WiFi LLC

Bugs and requests

EMT Prep

Reported bugs

3 issues
  • Difficulty canceling subscription
  • App crashes and freezes
  • Incompatibility issues with older devices

Requested features

3 requests
  • Add dark mode option
  • Improve quality control of questions and answers
  • Provide more comprehensive explanations for correct and incorrect answers

OnScene

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

EMT Prep

Subscriptions2
  • Weekly$3.997 Days
  • Monthly7 Days trial$24.991 Month
One-time1
  • Lifetime$99.99
2 purchases

OnScene

One-time2
  • Pro — 20% Off$11.99
  • Full Access Unlock$14.99

Questions

Is EMT Prep free?
EMT Prep is free to download, with in-app purchases available.
Is OnScene free?
OnScene is free to download, with in-app purchases available.
Do EMT Prep or OnScene have ads?
Neither EMT Prep nor OnScene shows ads.
Which is updated more often, EMT Prep or OnScene?
EMT Prep ships an update monthly, and OnScene every 2 months. Most recently, EMT Prep was updated on October 9, 2026 and OnScene on October 7, 2026.

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