Call3 vs Rainbow Hospitals
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Call3
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Call Three application helps you tackle your organizational issues proactively and constructively. You can ensure that your team is working in a protective space where they can express themselves without being objectified, discriminated and penalized.
Rainbow Hospitals
Manage your healthcare conveniently from your mobile device. Book appointments, access medical records, and communicate securely with doctors. Receive timely reminders and access prescriptions and reports digitally.
- Book & manage appointments
- Access medical records
- Doctor communication (chat/video)
- Digital prescriptions & reports
- Notifications & reminders
- Secure & private health data
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The Patient App helps you connect with your healthcare provider and manage your health conveniently from your mobile device. Designed for ease of use, the app allows patients to book appointments, access medical information, and stay connected with doctors securely. Key Features: Book & Manage Appointments Schedule, reschedule, and view upcoming doctor appointments with ease. Access Medical Records View consultation history, prescriptions, and visit details anytime. Doctor Communication Chat or consult with doctors through secure messaging or video calls (if enabled). Prescriptions & Reports Access digital prescriptions and medical reports in one place. Notifications & Reminders Receive timely alerts for appointments, updates, and important information. Secure & Private Your health data is protected with industry-standard security and privacy measures.
Screenshots
Verdict
The clearest difference is update cadence: Call3 at every 11 days against Rainbow Hospitals's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Call3 ships an update every 11 days, Rainbow Hospitals every 5 weeks. The most recent releases landed on October 14, 2026 and October 28, 2026 respectively.
| Parameter | Call3 | Rainbow Hospitals |
|---|---|---|
| Price | Free | Free |
| Positive reviews | โ | 33.3% of reviews |
| Update frequency | Every 11 days โ better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | โ | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.4 โ better | 13.4 |
| Further details โ not scored | ||
| Size | 23 MB | 72 MB |
| Age rating | 17+ | 12+ |
| Developer | Route 66 Pte Ltd | RAINBOW CHILDRENS MEDICARE LIMITED |
In-app purchases
Call3
No in-app purchases
Rainbow Hospitals
No in-app purchases







