eMutterPass vs CRF.one
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
eMutterPass
This app provides pregnant individuals with a digital version of their maternity pass. It stores all pregnancy-related data, including ultrasound images, and is updated after each clinic visit. Access useful informational brochures and keep all essential pregnancy information conveniently on your smartphone.
- Digital maternity pass
- Stores pregnancy data
- Includes ultrasound images
- Informational brochures
- Updated after clinic visits
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Sie sind schwanger und lassen die Schwangerschaftskontrollen von der Klinik für Geburtshilfe des Universitätsspitals Zürich durchführen. Damit Sie im Verlauf der Schwangerschaft alle schwangerschaftsrelevanten Daten und zusätzlich auch eine Reihe von nützlichen ergänzenden Informationsbroschüren zur Hand haben, bieten wir Ihnen kostenlos eine Mutterpass-App für Ihr Smartphone an. Auch alle Ultraschallbilder sind darauf abgespeichert. Im Anschluss an jede Kontrolle werden Ihre Daten in der Mutterpass-App aktualisiert.
CRF.one
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CRF.one is a secure and intuitive mobile application designed for real-world clinical research, registries, and observational studies. The app complements the CRF.one web platform and enables clinicians, study staff, and participants to collect and manage clinical data directly on their mobile devices — even in offline mode. CRF.one supports a wide range of study types, including multicenter registries, longitudinal follow-up projects, and patient-reported outcome (PRO) studies. With a modern user interface and robust data protection features, the app ensures high-quality data collection in compliance with Good Clinical Practice (GCP) and international privacy standards. CRF.one is developed by Swiss4ward, a company with over 15 years of experience in dermatology research platforms and clinical registry software. The app is used by hospitals, research centers, and academic groups across Europe. Whether you conduct clinical research, manage a registry, or participate in a study, CRF.one provides a reliable, modern, and secure tool for mobile data collection.
Screenshots
Verdict
The clearest difference is update cadence: CRF.one at fortnightly against eMutterPass's every 3 months. 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. Neither carries in-app purchases, so what you see is what you pay.
eMutterPass ships an update every 3 months, CRF.one fortnightly. The most recent releases landed on September 29, 2026 and October 11, 2026 respectively.
| Parameter | eMutterPass | CRF.one |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 34 MB | 27 MB |
| Age rating | 17+ | 4+ |
| Developer | Universitätsspital Zürich | swiss4ward Europe S.L. |
In-app purchases
eMutterPass
No in-app purchases
CRF.one
No in-app purchases




