eRef App vs MedOne
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
eRef App
Access a comprehensive medical knowledge portal offline on your smartphone or tablet. Research diagnoses, treatments, and read e-books and e-journals anywhere, anytime. A free trial account is available.
- Offline access to medical content
- Read e-books and e-journals
- Research differential diagnoses
- Access personal journal subscriptions
- Use cockpits for research
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eRef app - the offline app for the Thieme Knowledge Portal for Physicians With the eRef app you can now use the eRef Knowledge Portal for Physicians offline while on the go. The app can be used free of charge by anyone who - Has an active eRef trial account - Has a personal eRef license - Has access to an institutional eRef license - Is a subscriber to a Thieme journal - Has an access code for a Thieme book Overview of functions: - Load your e-books and e-journals on your smartphone so that you can read them anywhere and anytime. - Activate your personal journal subscriptions in the eRef app. - Use the cockpits to research differential diagnoses, treatments, and much more. Try it now by simply creating a free trial account in the app.
MedOne
Access comprehensive medical content from Thieme, including neurosurgery, radiology, and plastic surgery. View e-books and e-journals online or offline on your mobile device.
- Access Thieme's award-winning content
- Multiple medical specialties
- Offline and online access
- View e-books and e-journals
- Mobile viewing on iPhone/iPad
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Combining expert information with stunning visuals and video, MedOne provides access to Thieme’s award-winning content across multiple specialties including neurosurgery, radiology, plastic surgery and medical education. The companion MedOne app allows access to your MedOne content, which can be viewed in offline or online access mode. Easily load your e-books and e-journals on your iPhone or iPad and read when and where you want. The MedOne app is free to download, however a MedOne profile associated with an institutional subscription or individual purchase is required to login and access the content.
Screenshots
Verdict
The clearest difference is review sentiment: eRef App at 74% against MedOne's 22%. eRef App also leads on rating (5.0 vs 4.5) and monetization model (free vs free with in-app purchases). MedOne's advantage is ratings volume (135 vs 10). On price, update cadence, ads and in-app purchases 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.
eRef App holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: MedOne has 135 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 74% of eRef App's written reviews are positive against 22% of MedOne's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 22, 2026 and July 30, 2026 respectively.
| Parameter | eRef App | MedOne |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (10 ratings) — better | 4.5 (135 ratings) |
| Positive reviews | 73.9% of reviews — better | 22.2% of reviews |
| Number of ratings | 10 | 135 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 8 MB | 8 MB |
| Age rating | 17+ | 17+ |
| Developer | Georg Thieme Verlag KG | Thieme Publishers |
Customer experience
eRef App
MedOne
In-app purchases
eRef App
No in-app purchases
MedOne
No in-app purchases
