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Bleed You don’t “own” Kindle books; you license them. Amazon’s Terms say Kindle content is licensed, not sold—which gives Amazon and the publisher more control over access.
Remote deletion has happened. In 2009 Amazon remotely deleted Orwell’s 1984/Animal Farm from users’ Kindles.
Books can be updated/replaced after you “buy” them. Amazon/publishers can push updated versions; with “Automatic Book Update” on, your local copy can change (and in some cases, replacing a file may affect notes/locations). Y
Harder to keep personal backups now. As of 2025 Amazon is removing “Download & Transfer via USB” for purchased books, making local archiving trickier and increasing reliance on Amazon’s cloud (and its policies).
Account actions can nuke access. If an account is closed/flagged, cloud access to your library can disappear
On a Kindle device (or the Kindle app on Android), Amazon and publishers can pull titles in narrow circumstances and can alter/replace files via updates.
Closed ecosystem (no apps): Kindle can’t install Android apps (no Google Play). On Android e-ink you can run Libby, Kobo, Kindle, Pocket, ReadEra, Moon+ Reader, Notion, Drive/Dropbox, TTS apps, etc.
Formats & DRM lock-in: Kindle is optimized for Amazon formats (AZW/KFX). It can ingest EPUB only via Send-to-Kindle (conversion); Android readers handle EPUB (native), PDF, CBZ/CBR, DJVU and more via apps.
Library borrowing (esp. outside the US): Kindle delivery from OverDrive/Libby is US-only. In Portugal/EU you typically read library loans as EPUB in Libby/Adept apps—works great on Android e-ink, not on Kindle.
PDF handling & pro tools: Kindles (even Scribe) have simpler PDF features (fewer layout/zoom/reflow options, cropping, split-view, handwriting layers, etc.) versus Android devices’ advanced PDF apps (NeoReader, Xodo, Foxit).
Handwriting/annotation limits: Scribe writes beautifully but notes on Kindle books are still more restricted (e.g., “sticky note” model for many reflowable titles, limited export/search). Android e-ink offers full-app note systems, layers, OCR, and cross-app inking.
Cloud & file workflow: Kindle mainly uses Send-to-Kindle, USB, and limited cloud hooks. Android e-ink lets you sync via Drive/Dropbox/OneDrive, WebDAV, FTP, etc., and automate with file managers.
Customization & performance modes: Android e-ink usually offers multiple refresh/anti-ghosting modes, gesture/nav tweaks, screen split, third-party launchers. Kindle is comparatively locked down.
Text-to-speech & audio flexibility: Kindles support Audible (BT) and VoiceView, but Android e-ink can run any TTS engine/app (read any EPUB/PDF aloud, multilingual voices, speed, shortcuts).
I/O & expansion: Many Android models add microSD, multiple sizes/ratios, and broader Bluetooth/keyboard/mouse support. Kindles have fixed storage (no microSD) and fewer “productivity” accessories.
Lock-screen ads (“Special Offers”): Some Kindles show ads unless you pay to remove. Android e-ink devices don’t ship with ads.