Apps like Oxford Learner's Bookshelf

Here are some great alternatives to Oxford Learner's Bookshelf by Oxford University Press (OUP) :
Bookshelf
Bookshelf
★4.4
Reader+
Reader+
★4.7
Learn English Words・Alpa Cards
Learn English Words・Alpa Cards
★4.3
Kotobee Reader
Kotobee Reader
★3.3
YCurriculum Ebooks
YCurriculum Ebooks
★4.7
Labyrinth Library
Labyrinth Library
★4.6
beeline books and audiobooks
beeline books and audiobooks
★3.7
Wiley Reader
Wiley Reader
★4.3
Elsevier eBooks+
Elsevier eBooks+
★3.2
Ebook Reader
Ebook Reader
★3.9
iPublishCentral Reader
iPublishCentral Reader
★3.5
1-12 Textbooks & Blockchain
1-12 Textbooks & Blockchain
★4.3
Pivot Point Books
Pivot Point Books
★4.2
Great Audiobooks & Books
Great Audiobooks & Books
★4.4
Basmo.Reading Tracker,Book Log
Basmo.Reading Tracker,Book Log
★4.4
BookFusion - EPUB & PDF Reader
BookFusion - EPUB & PDF Reader
★4.1