Apps Like CrossRef HUB for iPhone and iPad
CrossRef HUB screenshots
Ranked alternatives
Showing 701–720 of 1,000 ranked alternatives.


Der Die Das - Word Quiz
Jan Brelje
Test German articles, race against time
Test German language skills by choosing the correct article for words. Complete quizzes against a timer to improve grammar knowledge. Track progress and challenge others in competitive gameplay.




Submarines of the US Navy
Historycentral.com Inc
United States Navy submarine histories presented.
The app presents over 700 high-resolution photos and histories for United States Navy submarines commissioned between 1900 and 2024. Users can explore detailed specifications and official US Navy photographs with pinch-to-zoom functionality.


RareImpacts App
Rare Impacts Inc.
Save articles for offline reading
Access concise articles, spotlight stories, and featured impacts to learn about causes, symptoms, and research related to rare diseases. Find curated resources, PDFs, and donation links.








iClarified
Shalom Levytam
Apple news and tutorials access.
The app provides access to Apple news and tutorials. It notifies users when new articles are posted, offering quick access from the menu bar.




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