Schedule4 vs WorstFirst
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Schedule4
This medical app simplifies staff scheduling for anesthesia practices. It allows for easy creation of vacation, call, and daily schedules. Additional modules enhance communication and workflow.
- Staff scheduling
- Vacation planning
- Call schedule management
- Daily schedule creation
- Timesheet module
- Expense tracking
- Secured messaging
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Schedule4 (S4) is a comprehensive staff scheduling solution for Anesthesia Practices. Vacation, call, and daily schedules are created easily with our innovative software interface. Additional modules such as timesheet, expense, and secured messaging are available to improve communication and workflow in a modern anesthesia practice.
WorstFirst
This decision-tree training tool helps emergency medicine trainees develop critical "rule out the killers first" instincts. It guides users through structured reasoning for various chief complaints, offering teaching pearls and citations to relevant literature. The app is designed for educational use only and functions fully offline.
- Decision-tree training
- Rule out killers first instinct
- 29 chief-complaint decision trees
- Branch-by-branch reasoning
- Teaching pearls and pitfalls
- Offline functionality
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WorstFirst is a decision-tree training tool for emergency medicine trainees, built by a practicing emergency physician. Emergency medicine runs on one discipline: rule out the killers first. WorstFirst trains that instinct. Pick a chief complaint and work through a structured decision tree — the same worst-first reasoning used at the bedside — before settling on the benign explanation. WHAT'S INSIDE - 29 chief-complaint decision trees spanning cardiovascular, respiratory, neurologic, abdominal, trauma, tox, and more - Branch-by-branch reasoning with teaching pearls and common pitfalls - Citations to landmark literature and current guidelines throughout - Fully offline — no account, no sign-in, no data collection WHO IT'S FOR Medical students, EM residents, and other healthcare trainees building their approach to undifferentiated complaints. FOR EDUCATIONAL USE ONLY WorstFirst is an educational reference. It is not a medical device and is not intended to diagnose, treat, or guide the care of any patient. It must not be used for clinical decision-making. All content is for learning purposes only and does not replace clinical judgment, institutional protocols, current guidelines, or attending supervision.
Screenshots
Verdict
The clearest difference is review sentiment: WorstFirst at 100% against Schedule4's 0%. WorstFirst also leads on rating (5.0 vs 4.3). Schedule4's advantage is update cadence (every 9 days vs every 3 months) and ratings volume (12 vs 2). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
WorstFirst holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Schedule4 has 12 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Schedule4's written reviews are positive against 100% of WorstFirst's.
Schedule4 ships an update every 9 days, WorstFirst every 3 months. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.
| Parameter | Schedule4 | WorstFirst |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (12 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 12 — better | 2 |
| Update frequency | Every 9 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 146 MB | 2 MB |
| Age rating | 12+ | 17+ |
| Developer | Boston Medical Data LLC | Injexa Technologies LLC |
Customer experience
Schedule4
WorstFirst
In-app purchases
Schedule4
No in-app purchases
WorstFirst
No in-app purchases









