Comparison

IVERBS Irregular Verbs vs VIIO

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

Head to head
About

IVERBS Irregular Verbs

Master English irregular verbs with this effective learning tool. It features original illustrations, pronunciation guides by native speakers, and a unique memorization technique. Track your progress with exercises and games, and create custom lists for focused study.

Highlights
  • 187 irregular verbs
  • Original illustrations
  • Native speaker pronunciation
  • Progress tracking
  • Customizable verb lists
  • Flashcards for quick review
  • 6,000 practice exercises
Features
Read full description

Effective application for learning irregular verbs in English! All 187 irregular verbs, original illustrations, excellent simulators, tracking of training progress and even a game, allowing learned material reinforcement. Our application will help English language learners to cope easily with the topic Irregular verbs. The unique memorizing technique will help to learn English irregular verbs quickly and without major problems. Many popular online services like: duolingo, bright, lingualeo, aword, skyeng, busuu, puzzle english help to learn English from scratch, but they don't focus on irregular verbs. Advantages of the application: • It is easy to learn and conveniently to repeat English irregular verbs without extra-efforts and cramming; • All English verbs are sounded in England by native speaker, it will help to improve your pronunciation; • Original illustrations will facilitate learner to memorize a verb quickly; • You can make own lists of English irregular verbs, highlighting it with different colors; • You can find flash-cards of fast repetition within this application. Learn English irregular verbs in the context of all tenses: Present Simple, Past Simple, Present Perfect, Past Perfect, and more. The app includes 6,000 exercises for practicing the use of irregular verbs across different tense forms. Each example comes with a translation to help you understand why a specific tense is used. We wish you pleasant training! https://docs.google.com/document/d/1omcFL36McqFkmm6wOdr-mRBZ68Ahr03F/edit?usp=sharing&ouid=104659141093003752846&rtpof=true&sd=true

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/

Screenshots

IVERBS Irregular Verbs4 screens
VIIO4 screens

Verdict

The call

The clearest difference is ads: VIIO at none against IVERBS Irregular Verbs's shown. On price, rating, review sentiment and ratings volume 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. IVERBS Irregular Verbs sells 4 in-app purchases, starting at $9.99 per month and VIIO sells 10 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for IVERBS Irregular Verbs against 4.7 for VIIO. Both are backed by a comparable volume of ratings — 3.3K and 1.2K respectively. Written reviews are what separate them: 71% of IVERBS Irregular Verbs's written reviews are positive against 68% of VIIO's.

UpkeepUpdate frequency

IVERBS Irregular Verbs ships an update every 3 weeks, VIIO fortnightly. The most recent releases landed on September 29, 2026 and September 24, 2026 respectively.

Scorecard1 real difference · 9 level
IVERBS Irregular Verbs versus VIIO: the parameters behind the verdict, then further details
ParameterIVERBS Irregular VerbsVIIO
PriceFreeFree
Rating4.8 (3.3K ratings) — better4.7 (1.2K ratings)
Positive reviews71.2% of reviews — better68.4% of reviews
Number of ratings3.3K — better1.2K
Update frequencyEvery 3 weeksFortnightly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.6
Further details — not scored
Size118 MB124 MB
Age rating4+4+
DeveloperTimofei SavinOtonye Bestman

Customer experience

IVERBS Irregular Verbs

All ratings3,269 ratings
Positive95.0%
Neutral2.7%
Negative2.4%
Written reviews257 reviews
Positive71.2%
Neutral8.6%
Negative20.2%

VIIO

All ratings1,207 ratings
Positive93.5%
Neutral2.6%
Negative3.9%
Written reviews76 reviews
Positive68.4%
Neutral6.6%
Negative25.0%

User reviews

IVERBS Irregular Verbs

From 3.3K App Store ratings

What we love

  • 👍 Good app for learning verbs
  • 👍 Helpful for practicing pronunciation and writing
  • 👍 Easy to use and friendly interface

Room to improve

  • 🐛 Repeated verbs
  • 💰 Misleading pricing and policy changes
  • 🐛 Functionality issues (app crashes, doesn't work)

VIIO

From 1.2K App Store ratings

What we love

  • 💡 Useful for reading and comprehension
  • 👍 Easy to use and navigate
  • 🚀 Efficient text-to-speech functionality
  • 👍 Helpful for neurodiverse users

Room to improve

  • 🐛 Frequent crashes and stability issues
  • 🔒 Concerns about paid subscription model
  • 🔋 Complaints about character/word limits in free version
  • 👎 Robotic or unnatural-sounding voices

Bugs and requests

IVERBS Irregular Verbs

Reported bugs

2 issues
  • Login issues
  • Compatibility problems with older devices

Requested features

2 requests
  • More verb content and variety
  • Improved personalization and progress tracking

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

In-app purchases

4 purchases

IVERBS Irregular Verbs

Subscriptions3
  • PRO version for 1 month$9.991 Month
  • PRO-version for 1 year$29.991 Year
  • PRO-version for 1 year7 Days trial$29.991 Year
One-time1
  • PRO-version$49.99
10 purchases

VIIO

Subscriptions4
  • Plus plan7 Days trial$2.991 Month
  • HD plan7 Days trial$6.991 Month
  • Human plan$16.991 Month
Show 1 more
  • HD yearly plan7 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

Questions

Is IVERBS Irregular Verbs free?
IVERBS Irregular Verbs is free to download, with in-app purchases available.
Is VIIO free?
VIIO is free to download, with in-app purchases available.
Which has better reviews, IVERBS Irregular Verbs or VIIO?
IVERBS Irregular Verbs is rated higher. IVERBS Irregular Verbs averages 4.8 out of 5 from 3.3K ratings, while VIIO averages 4.7 from 1.2K ratings.
Do IVERBS Irregular Verbs or VIIO have ads?
IVERBS Irregular Verbs shows ads; VIIO does not.
Which is updated more often, IVERBS Irregular Verbs or VIIO?
IVERBS Irregular Verbs ships an update every 3 weeks, and VIIO fortnightly. Most recently, IVERBS Irregular Verbs was updated on September 29, 2026 and VIIO on September 24, 2026.

Other comparisons