Compare · AI voice reader app
Aethel Audio vs ElevenReader
ElevenReader is ElevenLabs' own reading app: it reads documents, articles and books aloud in ElevenLabs voices, and its free plan is generous. Aethel is narrower. It is built for technical material, where equations need to be spoken as maths and figures need describing, and it adds study tools around the narration. If you mostly listen to prose, ElevenReader is excellent value. If your reading is full of notation, try the same chapter in both.
Last reviewed 6 October 2026. ElevenReader is a product of ElevenLabs; this page is not affiliated with or endorsed by ElevenLabs. Something out of date? Tell us and we will correct it.
Side by side
What it is
ElevenReader: A general reading app for documents, articles and books
Aethel: A study reader for technical books and research papers
Voices
ElevenReader: ElevenLabs voice library, including on the free plan
Aethel: Standard studio voices on Pro Reader; ElevenLabs voices on Pro and Executive
Equations
ElevenReader: General-purpose narration; equation handling isn't a documented feature
Aethel: Notation read as maths (powers, subscripts, fractions, sums, conditional probability); printed formula kept on screen
Figures and tables
ElevenReader: Focus is on narrating the text
Aethel: Kept next to the paragraph that cites them, with a spoken description
Study tools
ElevenReader: Focus is on listening
Aethel: Ask about a passage, worked examples, review cards, highlights
Where it runs
ElevenReader: Mobile apps
Aethel: Web app on any device, installable, with offline downloads
Price
ElevenReader: See ElevenReader's current prices
Aethel: Free: 5 books and 1 hour of narration. Pro Reader $14.99/month (6 h, standard voices). Pro $49/month (12 h, ElevenLabs voices). Yearly plans save about two months. All plans
Choose ElevenReader if…
- • You mostly listen to novels, articles or other prose.
- • You want the most hours of ElevenLabs narration for the lowest price.
- • You prefer a native mobile app.
Choose Aethel if…
- • Your reading is full of equations, figures and tables.
- • You want to stop on a passage, ask what it means and review it later.
- • You want a chapter translated into one of 17 languages and narrated.
Test it on your hardest page
The fairest comparison is your own material. Import the same maths-heavy chapter into both and listen to a page with equations. Here is what Aethel says for a classic:
Attention(Q, K, V) = softmax(QKᵀ / √dₖ)V
Aethel says
Attention of Q, K, V equals softmax of the quantity QK transpose over the square root of d sub k, times V
Vaswani et al., “Attention Is All You Need”, NeurIPS 2017, equation 1
Questions
Aethel's Pro plan uses ElevenLabs voices. Why does it cost more than ElevenReader?
Aethel's price covers more than the voice: equation and figure handling, explanations, translation and review cards, each of which runs AI models on your chapter. If you only need a voice for prose, ElevenReader is the better deal, and Aethel's Pro Reader plan uses lower-cost standard voices.
Can I use both?
Yes. Many readers keep a general reader for articles and use Aethel for the technical books where notation matters.
Other comparisons
Hear your own book this way.
Free to start: five books and an hour of narration, no card needed.