NotebookLM vs Speechify: pricing, features and which to choose

Gemini Notebook is Google’s source-grounded research and study workspace, formerly called NotebookLM. Google introduced it as Project Tailwind at Google I/O 2023, then renamed it on July 16, 2026. The company says more than 30 million people and over 600,000 organizations use it. It remains a standalone product, while notebooks also connect with the Gemini app and are planned for Google Search. The name change matters for directory searches, but the product identity is continuous: Google says existing notebooks remain accessible. Its strongest distinction is a workflow built around user-provided material rather than an open-ended chat window. That makes it a practical fit for study, document review, internal knowledge, and source-based research.

A typical notebook starts with source collection. Users can add PDFs, web pages, Google Docs, handwritten notes, worksheets, photos, and recordings, then ask questions about the material. Gemini Notebook returns answers grounded in those sources and can provide citations. From the same workspace, users can create reports, flashcards, quizzes, mind maps, infographics, slide decks, Audio Overviews, and Video Overviews. Notes sit alongside sources, allowing users to edit, cite, and reuse them. The September 2026 study update adds real-time spoken conversations with notebooks in nearly 100 languages through the mobile app, mobile audio recording, interactive learning overviews, and additional quiz formats. Public notebook sharing is available for consumer accounts, while paid users receive advanced sharing.

Gemini Notebook is less suitable when you need a public developer API, local hosting, or a fully independent research index. Google identifies the consumer product as hosted, and its plan pages describe access through Google AI, Workspace, or Cloud rather than an open-source distribution. SciSpace is stronger for paper discovery and academic reading, while scite emphasizes citation context and Elicit focuses on structured literature review. ChatGPT is broader for general conversation, but it lacks Gemini Notebook’s narrow source-grounded notebook workflow. Individual data is not used to train Gemini Notebook unless feedback is submitted, while Workspace uploads, queries, and responses are not used to train AI models. Pick Gemini Notebook for source-based study and document work with multimedia outputs.

Speechify was started by Cliff Weitzman, who built the first version to get through school with dyslexia, and it has grown into one of the most downloaded text-to-speech apps. The company says it has more than 60 million users, and in July 2026 it passed 500,000 five-star ratings on the iOS App Store. It won a 2025 Apple Design Award and was named Chrome Extension of the Year. There are three separate products under the brand: the Speechify reader for consumers, Speechify Studio for voiceovers and dubbing, and a developer API now sold at speechify.ai. Each has its own subscription, which confuses buyers. In June 2026 the company also launched Speechify Work, a set of AI agents that carry out tasks for knowledge workers, which Satya Nadella showed at Microsoft Build that month.

The reader is the core product. You open a PDF, Google Doc, ebook, email or web page in the app or browser extension, press play and Speechify reads it with word-by-word highlighting at up to 4.5 times normal speed. Scan and Listen photographs a printed page and reads it back using text recognition. The app runs on iOS, Android, Mac, Windows, Chrome and Edge, and syncs your library and position through Google Drive, Dropbox and OneDrive integrations. Premium adds AI summaries, a chat that answers questions about whatever you are listening to, and AI Podcasts that turn a document into a two-voice audio episode. Voice Typing lets you dictate into any app on Mac, Windows and iOS, and the company made unlimited dictation free on iOS and Mac in June 2026.

Speechify's weak points are billing and focus. Reviews often complain about the annual renewal, and the reader, Studio and API subscriptions do not include each other, so a Premium subscriber who wants to publish a voiceover pays again. As a voiceover tool, Studio trails ElevenLabs and Murf AI on editing control and voice cloning. As a pure reader, NaturalReader and Apple's built-in Spoken Content are cheaper, and Microsoft Edge's Read Aloud is free with decent neural voices. Speechify's advantage is breadth: the same library and position follow you from phone to browser to desktop, with scanning, dictation and summaries in one app. Pick it if you listen to hours of reading a week, especially for study or accessibility. Pick ElevenLabs if you mainly need to create audio for others.