US MSK vs Dortop
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
US MSK
This medical app serves as an atlas for musculoskeletal ultrasound imaging of the upper and lower limbs. It provides detailed visual guidance for diagnostic procedures. The app offers a free trial for its subscription plans.
- Musculoskeletal ultrasound atlas
- Upper limb imaging
- Lower limb imaging
- Diagnostic guidance
- Free trial available
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Atlas de Ultrassonografia dos membros superiores e inferiores. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Dortop
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Dortop - Seu Buscador Especializado em Ortopedia Dortop é o aplicativo ideal para médicos, estudantes e profissionais da área de ortopedia que buscam informações práticas, rápidas e confiáveis. Com resumos especializados de livros e conteúdos essenciais, Dortop facilita o estudo e a consulta no dia a dia, ajudando você a acessar o conhecimento certo, no momento certo. Principais funcionalidades: - Acesso rápido a resumos de livros e materiais de ortopedia. - Conteúdo otimizado para estudo e prática profissional. - Interface intuitiva e fácil de usar. - Atualizações regulares com novos conteúdos. Torne o aprendizado e a consulta de ortopedia mais simples e eficiente. Baixe o Dortop agora e tenha todo o conhecimento na palma da sua mão!
Screenshots
Verdict
The clearest difference is in-app purchases: Dortop at none against US MSK's 2. US MSK's advantage is update cadence (every 6 weeks vs every 3 months). On price, ads, device support and iOS requirement 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. US MSK sells 2 in-app purchases, starting at $0.99 per month. Dortop asks for nothing beyond the download.
US MSK ships an update every 6 weeks, Dortop every 3 months. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.
| Parameter | US MSK | Dortop |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 6 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 31 MB | 43 MB |
| Age rating | 17+ | 4+ |
| Developer | Azul Systems | Regenerar Servicos Medicos Unipessoal Ltda |
In-app purchases
US MSK
- Monthly1 Month trial$0.991 Month
- Annual1 Month trial$9.991 Year
Dortop
No in-app purchases
