On Call Central vs TrMedRX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
On Call Central
Access and manage your medical on-call messages and schedules directly from your mobile device. Respond to messages, initiate calls to patients and colleagues, and update your contact preferences seamlessly.
- Listen to on-call messages
- Respond to messages
- Place direct calls
- View call schedule
- Update contact preferences
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On Call Central puts your medical answering service in your pocket. Take call, return patient calls, and manage your practice's after-hours communication from a fast, secure app. Completely rebuilt from the ground up for iPhone, iPad, and Apple Watch, the new On Call Central opens faster, feels instantly responsive, and uses up to 77% less memory than the previous version, so it stays quick even on older devices. CALL PATIENTS DIRECTLY, IN THE APP • Tap to call patients back right from a message, using your practice's caller ID instead of your personal number • Receive incoming calls in the app like a normal phone call • Automatic fallback to callback dialing when your network is weak, so calls always connect • Mute, speakerphone, and live connection quality indicators YOUR MESSAGES, INSTANTLY • Listen to voicemails and call recordings in the app, or read the automated transcription instead • Critical alerts (with your permission) make sure patient calls sound through even when your phone is on silent or Do Not Disturb • My Calls, All Calls, and Archived views with unheard badges • Push notifications the moment a patient call comes in SECURE CHAT, REIMAGINED • HIPAA-focused messaging with your care team: reactions, read indicators, and photo, video, and audio attachments • Message retention and expiration controls for compliance MANAGE ON-CALL FROM ANYWHERE • See the on-call schedule at a glance with month, week, and day views • Quickly change who's on call and create schedule exceptions • Set your availability status and manage contact methods: phone, SMS, email, even pagers • View and manage your practice's phone menus and create exceptions APPLE WATCH COMPANION • See who's on call right on your watch face • Review calls and read transcriptions from your wrist • Update on-call assignments, change your status, and send quick chat replies BUILT FOR IPAD • True split-view layouts and a Command Center dashboard designed for the larger screen SECURITY FIRST • Face ID, Touch ID, and PIN app lock • Encrypted credential storage and app-switcher privacy screening • Built for practices that handle protected health information FOR EVERYONE • Available in English (US, Canada) and Spanish (Latin America, Spain) • Full VoiceOver support, Dynamic Type, and WCAG 2.2 AA accessibility as standard • Light and dark mode On Call Central requires an active On Call Central account. Secure Chat and EHR integration (Modernizing Medicine) are available on participating accounts. Questions? Reach us at support@oncallcentral.com or support.oncallcentral.com.
TrMedRX
This app provides instant insights into medications and helps decode prescriptions. It leverages a comprehensive knowledge base for reliable drug information, empowering users to stay informed about their health.
- Instant medicine information
- Decode doctor's prescriptions
- Comprehensive knowledge base
- Reliable drug data
- AI-generated medical guidance
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TrMedRX, by ThinkRoman, is your pocket pharmacist! Quickly understand any medicine or decode doctor’s prescriptions with ease. Powered by TrPharma's comprehensive knowledge base, TrMedRX offers reliable, up-to-date drug information at your fingertips. Download TrMedRX and unlock the world of medicines today! Knowledge is power—stay informed, stay healthy. Note: Information provided by TrMedRX is AI-generated and should be used as a guide. Always consult with a healthcare professional for medical advice.
Screenshots
Verdict
The clearest difference is rating: TrMedRX at 5.0 against On Call Central's 4.0. TrMedRX also leads on iOS requirement (12.0 vs 17.0). On Call Central's advantage is ratings volume (11 vs 1). 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.
TrMedRX holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: On Call Central has 11 ratings behind it against 1, so its average is the more settled of the two.
| Parameter | On Call Central | TrMedRX |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (11 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 11 — better | 1 |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 55 MB | 24 MB |
| Age rating | 17+ | 17+ |
| Developer | Acumantra Solutions, Inc. | Ashwani Dhar |
Customer experience
On Call Central
TrMedRX
In-app purchases
On Call Central
No in-app purchases
TrMedRX
No in-app purchases









