OnScene vs Medceptor EMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OnScene
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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.
Medceptor EMS
Prepare for medical certification exams with AI-powered clinical scenarios and instant, rubric-aligned grading. Practice with an AI patient simulator, review detailed feedback, and build knowledge with a comprehensive question bank. Get ready for exam day with realistic simulations.
- AI patient simulator
- Rubric-aligned grading
- Detailed performance feedback
- Exam-style question bank
- Built-in study assistant bot
- Realistic scenario practice
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Medceptor helps EMS, nursing, and respiratory therapy students prepare for their certification exams through realistic, AI-powered clinical scenarios and instant, rubric-aligned grading. Supports EMT-B, AEMT, and Paramedic (NREMT); CNA, LPN, RN, CCRN, CEN, and FNP (NCLEX and related boards); and CRT/RRT (NBRC) tracks. PRACTICE WITH AN AI PATIENT SIMULATOR Walk through full patient encounters with an AI-driven patient who responds to your assessment and treatment decisions in real time. Every scenario is graded against the official rubric structure for your certification and skill level. SEE EXACTLY WHAT YOU MISSED Medceptor's autonomous grader scores your performance item by item against official rubric weights, with clear explanations for what earned credit and what didn't. No vague feedback, no guessing. BUILD YOUR KNOWLEDGE WITH THE QUESTION BANK Practice exam-style questions across every subject area for your track, with answer choices shuffled so you're tested on knowledge, not memorized letter positions. Track your accuracy and progress over time. STUDY WITH PRECEPTOR BOT Ask questions about protocols, procedures, and clinical concepts any time. Preceptor Bot is a built-in study assistant scoped to your profession. BUILT FOR EXAM DAY Practice scenarios and question sets mirror the format and difficulty of the real exam, so test day has no surprises. A Medceptor subscription is required for full access to scenarios and the question bank. Subscriptions (auto-renewing): • Pro: $24.99/month or $74.99/6 months • Standard: $19.99/month or $59.99/6 months Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Medceptor Terms of Service: https://medceptor.com/terms
Screenshots
Verdict
The clearest difference is update cadence: Medceptor EMS at every 5 days against OnScene's every 6 weeks. On price, ads, in-app purchases 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. OnScene sells 2 one-off in-app purchases and Medceptor EMS sells 4 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.
OnScene ships an update every 6 weeks, Medceptor EMS every 5 days. Both last shipped on October 31, 2026.
| Parameter | OnScene | Medceptor EMS |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.3 (9 ratings) — better |
| Positive reviews | — | 66.7% of reviews |
| Number of ratings | — | 9 — better |
| Update frequency | Every 6 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Subscription |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 20 MB | 10 MB |
| Age rating | 4+ | 17+ |
| Developer | Fireside WiFi LLC | IDK Studios, Inc. |
In-app purchases
OnScene
- Pro — 20% Off$11.99
- Full Access Unlock$14.99
Medceptor EMS
- Standard$19.991 Month
- Pro$24.991 Month
- Standard$59.996 Months
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- Pro$74.996 Months
Questions
Is OnScene free?
Is Medceptor EMS free?
Do OnScene or Medceptor EMS have ads?
Which is updated more often, OnScene or Medceptor EMS?
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