The 20 most popular Books & Reference Apps for Android ever with no subscription
Check out the top Books & Reference Apps which are a one-time purchase with no subscription or in-app purchases. We went through all Books & Reference Apps for Android on Google Play in June 2026 and picked the best ones for you to download onto your Android phone. This Android app list is sorted by the all-time number of downloads.
Last updated on 2026-06-04.
