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Gemperial
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Apps:
1
Total installs:
865
Latest release:
Aug 5, 2026
How this developer operates
Maintenance
1 of 1 apps updated in the last 90 days · last update 14 days ago · updates every ~6 days
All apps
App
Style
Rating
Installs
Released
GemReader: EPUB Study Reader
Books & Reference
—
500+
Aug 4, 2026