Comparison

RAIO App vs INN Academy

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

Head to head
About

RAIO App

This app uses spaced repetition technology and real-life sentences to help you learn grammar and vocabulary in context. It aims to improve retention, reduce translation in your head, and help you start thinking in the language you're learning.

Highlights
  • Spaced repetition technology
  • Sentence-based learning
  • Learn grammar and vocabulary in context
  • Reduce translation in your head
  • Think in the target language
  • Personalized progress reports
  • Gamification features
Features
Read full description

RAIO is a language learning mobile app that allows language learners to review sentences using the power of spaced repetition technology. With RAIO, learners can effortlessly learn grammar and vocabulary at the same time, without having to study complex grammar rules or do boring grammar drills. The app is designed to help learners stop forgetting and getting stuck in conversations having to translate in their as much as they would when learning with traditional method. The app’s sentence-based approach is another key feature that sets RAIO apart from traditional language learning methods. Rather than teaching using isolated vocabulary words or abstract grammar rules, RAIO uses real-life sentences that are commonly used in everyday conversations. This approach allows learners to acquire vocabulary and grammar in context, which enhances their understanding of the language and improves their ability to communicate effectively. Spaced repetition, the underlying technology of RAIO’s language learning app, is a technique used by professional language learners and polyglots to acquire languages faster and with less effort. This method of learning is based on the principle of spacing out the review of previously learned material to optimize long-term retention. By scheduling review sessions based on the user’s progress and difficulty level, RAIO’s spaced repetition technology allows learners to remember words and grammar structures better and for longer periods of time, leading to a faster and more effective language learning experience, regardless of which proficiency level they start with. Another benefit of using RAIO is that learners can slowly start to think in the language. By reviewing sentences in context and focusing on the meaning rather than the individual words or rules, learners can internalize the language and start to think in it. This improves their ability to communicate effectively and increases their fluency in the language. In summary, RAIO is an innovative mobile app that revolutionizes language learning with its spaced repetition technology and sentence-based approach. The app’s features, such as its review system, audio recordings, translations in multiple languages, personalized progress reports, and gamification features, enhance the learning experience and provide learners with motivation and a sense of accomplishment. By using RAIO, learners can effortlessly learn grammar and vocabulary, stop forgetting as much, stop getting stuck in conversations having to translate in their head as much, and slowly start to think in the language. Terms of Use: https://kaleanders.com/raio-app-terms

About

INN Academy

Features
Read full description

INN Academy is INNOVA’s academy, now on a brand-new platform. Everything you need to learn, in one place: INNOVA’s course catalog, courses made just for you with artificial intelligence, and live classes with mentors. INNACADEMY — INNOVA’S CATALOG • Video courses on trading, personal and professional growth, and more. • “Continue watching”: pick up every lesson at the exact second you left it, on your phone or computer. • Favorites, your own lists, history and search. • Choose the language of the videos and use the app in 11 languages. • Courses with a certificate: finish the lessons, pass the exam and get your INNOVA certificate, verifiable with a QR code. INNGENIO — YOUR COURSE, MADE JUST FOR YOU • Tell it what you want to learn: finance, English, marketing, leadership… anything. • InnGenio asks you a few questions, measures your level in a couple of minutes and suggests your course’s name and size. • It builds the syllabus from the best YouTube videos, trimmed to the essentials, and explains why it chose each one. • Synced transcripts and time-stamped notes. • Final exam, video testimonial and a verifiable certificate with a QR code, ready to share on LinkedIn. • Or instantly take one of the best courses InnGenio has already built for other students. INNTV — LIVE CLASSES • Upcoming sessions with INNOVA’s mentors, in your local time. • Countdown, join Zoom with one tap and add the session to your calendar. • When a class is live, the app shows it right in the menu. INN Academy is for INNOVA members. Access is granted by INNOVA; if you are not a member yet, you can create an account and watch the public lessons. Content is educational. It is not financial or investment advice, and trading involves risk.

Screenshots

RAIO App4 screens
INN Academy4 screens

Verdict

The call

The clearest difference is in-app purchases: INN Academy at none against RAIO App's 2. 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. RAIO App sells 2 in-app purchases, starting at $19.99 per month. INN Academy asks for nothing beyond the download.

UpkeepUpdate frequency

RAIO App ships an update every 6 weeks, INN Academy monthly. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

Scorecard1 real difference · 9 level
RAIO App versus INN Academy: the parameters behind the verdict, then further details
ParameterRAIO AppINN Academy
PriceFreeFree
Rating2.7 (43 ratings) — better—
Positive reviews20.0% of reviews—
Number of ratings43 — better—
Update frequencyEvery 6 weeksMonthly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better16.4
Further details — not scored
Size88 MB40 MB
Age rating4+4+
DeveloperKale AndersQuierelo

In-app purchases

2 purchases

RAIO App

Subscriptions2
  • Monthly - Standard Plan1 Month trial$19.991 Month
  • Annual - SAVE 20%!1 Month trial$179.991 Year
None

INN Academy

No in-app purchases

Questions

Is RAIO App free?
RAIO App is free to download, with in-app purchases available.
Is INN Academy free?
INN Academy is free to download, with no in-app purchases.
Do RAIO App or INN Academy have ads?
Neither RAIO App nor INN Academy shows ads.
Which is updated more often, RAIO App or INN Academy?
RAIO App ships an update every 6 weeks, and INN Academy monthly. Most recently, RAIO App was updated on November 3, 2026 and INN Academy on November 8, 2026.

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