Comparison

VIIO vs Tau by Turing Dream

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

VIIO

Transform written content into spoken audio with this app. Easily convert text from documents, PDFs, or copied content into a clear, audible format. Customize voice, speed, and pitch for a personalized listening experience.

Highlights
  • Text-to-speech conversion
  • Read aloud from documents and PDFs
  • Copy text for audio playback
  • Adjustable reading speed
  • Customizable voice options
  • Highlighting important sections
Features
Read full description

Introducing VIIO, the revolutionary app that brings text to life by reading it out loud! With VIIO, you can transform any written content into an immersive audio experience, allowing you to absorb information effortlessly, whether you're on the go or simply prefer listening over reading. VIIO offers a seamless and intuitive interface, making it incredibly easy to use. Simply copy text, take pictures of documents, or upload PDF files, and VIIO will instantly convert them into crystal-clear audio. Say goodbye to tedious reading sessions and let VIIO do the work for you. Ideal for students, professionals, or anyone seeking a convenient way to understand and retain information, VIIO offers a range of powerful features. Customize the reading speed and voice to suit your preferences, and take advantage of advanced options like highlighting important sections or adjusting the voice pitch for enhanced clarity. VIIO isn't just about convenience; it's also a versatile tool for accessibility. Empower visually impaired individuals or those with reading difficulties to access a world of knowledge with ease. VIIO's text-to-speech technology is designed to provide a smooth and natural reading experience, ensuring every word is delivered with precision and accuracy. Download VIIO now and experience the future of text consumption. Embrace the power of audio and unlock a new way to understand and learn. Let VIIO be your trusted companion in transforming written content into an immersive audio journey, making knowledge accessible to all. Terms of Use - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Tau by Turing Dream

Read full description

Tau is the app that transforms the way you study. Learn any subject without stress, at your own pace, with personalized AI tutors who understand how you process information. Studying has never been this easy! Tau makes learning simpler and more effective by adapting to how you reason and understand. The more you use it, the better it adjusts to you, helping you master any subject with ease. Tau doesn’t just guide you — it supports you in becoming your best academic self.

Screenshots

VIIO4 screens
Tau by Turing Dream4 screens

Verdict

The call

The clearest difference is in-app purchases: Tau by Turing Dream at none against VIIO's 10. On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. VIIO sells 10 in-app purchases, starting at $2.99 per month. Tau by Turing Dream asks for nothing beyond the download.

UpkeepUpdate frequency

VIIO ships an update every 9 days, Tau by Turing Dream every 6 days. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 9 level
VIIO versus Tau by Turing Dream: the parameters behind the verdict, then further details
ParameterVIIOTau by Turing Dream
PriceFreeFree
Rating4.7 (1.2K ratings) — better—
Positive reviews68.4% of reviews—
Number of ratings1.2K — better—
Update frequencyEvery 9 daysEvery 6 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size124 MB50 MB
Age rating4+4+
DeveloperOtonye BestmanTuring Dream

Bugs and requests

VIIO

Reported bugs

3 issues
  • App crashes after updates
  • Inconsistent performance across devices
  • Issues with text recognition and pronunciation

Requested features

4 requests
  • Ability to adjust reading speed
  • Support for more languages and accents
  • Improved PDF and document handling
  • Integration with other reading/productivity apps

Tau by Turing Dream

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

VIIO

Subscriptions4
  • Plus plan7 Days trial$2.991 Month
  • HD plan3 Days trial$6.991 Month
  • Human plan$16.991 Month
Show 1 more
  • HD yearly plan3 Days trial$59.991 Year
One-time6
  • 50,000 characters$0.99
  • 100,000 characters$1.99
  • 200,000 characters$2.99
Show 3 more
  • 50,000 human characters$3.99
  • 100,000 human characters$5.99
  • 200,000 human characters$10.99
None

Tau by Turing Dream

No in-app purchases

Questions

Is VIIO free?
VIIO is free to download, with in-app purchases available.
Is Tau by Turing Dream free?
Tau by Turing Dream is free to download, with no in-app purchases.
Do VIIO or Tau by Turing Dream have ads?
Neither VIIO nor Tau by Turing Dream shows ads.
Which is updated more often, VIIO or Tau by Turing Dream?
VIIO ships an update every 9 days, and Tau by Turing Dream every 6 days. Most recently, VIIO was updated on November 3, 2026 and Tau by Turing Dream on October 25, 2026.

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