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Enhances reading comprehension through structured summaries and questioning.


Overview of Upsidedown

Upsidedown offers several benefits to its users, including:

Key Features of Upsidedown

Sign-Up Access : Users can sign up to gain access to Upsidedown's full suite of features, designed to facilitate a deeper understanding of complex texts.

Deep Learning Resource : The app highlights a significant review paper from, marking the advent of modern AI, which has garnered over 60,020 citations since its publication in 2015.

Historical Documents : Upsidedown provides access to seminal works such as the original Bitcoin publication by Satoshi Nakamoto and Albert Einstein's theory of special relativity, allowing users to explore foundational texts in various fields.

Enhanced Comprehension : The app breaks down texts into manageable chunks, offering structured summaries to aid in understanding.

Power of Question : It employs questioning to generalize the information being read, enabling users to apply the material to other topics and contexts.

Ease Mental Barrier : Upsidedown simplifies complex language and grammar, making texts accessible to readers of all levels, including those as young as second graders.

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Frequently Asked Questions

You can start using Listnr for free by creating an account here. We provide all our users with 1,000 free words at the time of signup. You can start using Listnr right away without entering any Credit card info and subscribe to a paid plan once you're satisified!

First login or signup onto Listnr.

  1. Once you're inside the dashboard, press "Create Voiceover".
  2. Paste or type text > Select a voice > Preview the converted speech
  3. Save or export in WAV or MP3!

You can use our high quality text to speech voices with any video editor like VEED, Invideo, Wideo etc. Listnr's AI Voices are compatible with all major video editors. Read more - Text to Speech for YouTube: How to Use AI Video Makers

All our AI voices sound very natural and not robotic, mostly like the voiceovers/audio you listen to on TikTok and Instagram. Our AI Text to Speech generator uses real voice over artists!

Yes, please visit our Homepage for the demo

Listnr is Free for upto 1000 word conversions per month, post that it costs $9/month for the Student plan and so forth! See our pricing

Yes. If you want to cancel your plan, simply go to your profile and cancel in the account page. If you do cancel, you will continue to have access to all the premium features until the end of your billing cycle.
Yes, we offer an extra affordable $9/month student plan, this comes with 4,000 words per month. We're the first AI Voice Generator to offer a student plan to the masses. Please reach to us at [email protected] for more details.
We have over 142 different natural AI voices, namely - English, French, German, Italian, Spanish, Russian, Portuguese, Danish, Dutch, Arabic, Hindi, Tamil, Chinese, Japanese, Korean, Finnish, Norwegian, Romanian, Turkish and Indonesian and many more!
Yes, all our paid plans have commercial distribution rights - all audio created on Listnr is owned by the creator/account owner.

Yes, we support Hindi TTS, you can demo it here - Hindi Text to Speech

Yes, we support Spanish TTS, you can demo it here - Spanish Text to Speech

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