Comparison

Ello 2.0 vs Vimi

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

Head to head
About

Ello 2.0

This educational app uses AI to personalize reading and math lessons for children aged 4-9. It listens to children read aloud, identifies mistakes, and adapts content in real-time. Features include daily quests, a large book library, and early math exercises.

Highlights
  • AI reading tutor listens and corrects in real-time
  • Adaptive learning adjusts to child's level
  • 1,200+ decodable books based on Science of Reading
  • Daily personalized reading and math quests
  • Early math skills development
  • Supports pre-readers and up to Grade 5
Currently charting
Read full description

Your child is unique. Their learning should be too. More than games. Real teaching. Ages 5–9. Ello listens to your child, catches mistakes, and adjusts to their level — built by literacy researchers and speech scientists. Most kids' apps are tappable games with a quiz bolted on. Ello actually teaches. It listens to your child read out loud, catches mistakes, and adjusts the next session based on what they got wrong. Featured by Good Morning America, Time Magazine, and Common Sense Media. Free to start. No ads. Ever. Download and explore Ello's reading games, math games, and Daily Quests completely free. How Ello actually teaches: Ello's AI listens to your child read out loud, catches mistakes, and adjusts the next session to match. No other reading app does real-time listening, a full book library, and early math in a single daily session. - Daily Quests — a personalized mix of reading and math, up to 15 min per day - 1,200+ decodable books built on the Science of Reading - Math for kids — counting, numbers, and addition - AI reading tutor — listens, corrects, and guides in real time - Adaptive learning — meets your child exactly where they are - Kid-safe — no ads, no in-app purchases Reading, math, and a reason to keep coming back. Ello covers phonics, early reading, and math for kids from Kindergarten through 5th Grade. Whether your child is a kindergartener building phonics skills or a 2nd grader who needs a math tutor — Ello adapts to them. "She struggled with reading, but Ello makes it fun. Now she asks to read every day." — Jamie M. "My son's reading level jumped two grades in three months." — Lola P. Reading tutor. Math tutor. One app. Download free — your child's first Daily Quest is waiting.

About

Vimi

This AI-powered math tutor creates personalized learning paths to help users master math concepts. It offers adaptive lessons, clear explanations, and engaging exercises tailored to school curricula, making learning approachable and fun.

Highlights
  • Personalized learning paths
  • Adaptive lessons
  • Curriculum-aligned content
  • Clear explanations
  • Engaging exercises
  • Instant feedback and solutions
  • Progress tracking
Features
Currently charting
Read full description

Master math with Vimi, your personal AI tutor that makes learning simple, fast, and fun. Vimi figures out your level and designs a personalized path that fits you. You’ll get quick, adaptive lessons that fill in your knowledge gaps and help you feel in control again. Vimi helps you finally feel confident in class with short, engaging lessons built around your school’s curriculum, so every topic you practice matches what you’re learning in school. It’s like having a friendly local tutor who explains things clearly, no confusing terms, just simple explanations that actually make sense. With Vimi, math feels approachable and fun, thanks to a game-like experience that keeps you motivated. Each session includes short exercises that focus on what you need most, instant feedback with helpful hints and full solutions, plus a progress tracker so you can see how far you’ve come. Learn key topics including: Fractions, percentages, equations, inequalities, geometry, functions, probability, statistics, logic, and more. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Ello 2.04 screens
Vimi4 screens

Verdict

The call

The clearest difference is in-app purchases: Ello 2.0 at none against Vimi's 12. Ello 2.0 also leads on ads (none vs shown) and update cadence (every 2 days vs every 9 days). Vimi's advantage is ratings volume (1K vs 69) and rating (4.5 vs 4.3). On price, monetization model, chart position 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. Vimi sells 11 in-app purchases, starting at $19.99 per month. Ello 2.0 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Vimi holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: Vimi has 1K ratings behind it against 69, so its average is the more settled of the two. Written reviews complicate that: 67% of Ello 2.0's written reviews are positive against 58% of Vimi's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Ello 2.0 ships an update every 2 days, Vimi every 9 days. Both last shipped on October 28, 2026.

Scorecard7 real differences · 4 level
Ello 2.0 versus Vimi: the parameters behind the verdict, then further details
ParameterEllo 2.0Vimi
PriceFreeFree
Rating4.3 (69 ratings)4.5 (1K ratings) — better
Positive reviews66.7% of reviews — better58.4% of reviews
Number of ratings691K — better
Update frequencyEvery 2 days — betterEvery 9 days
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFreeFree
Best chart rank#65 — better#116
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size203 MB123 MB
Age rating4+4+
DeveloperEllo Technology, Inc.VIMI ADAPTIVE LEARNING LTD

Customer experience

Ello 2.0

All ratings69 ratings
Positive81.2%
Neutral2.9%
Negative15.9%
Written reviews12 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Vimi

All ratings1,005 ratings
Positive88.0%
Neutral2.7%
Negative9.4%
Written reviews113 reviews
Positive58.4%
Neutral9.7%
Negative31.9%

In-app purchases

None

Ello 2.0

No in-app purchases

11 purchases

Vimi

Subscriptions11
  • Vimi Monthly Premium1 Month trial$19.991 Month
  • Vimi Monthly Premium3 Days trial2 variants$19.991 Month
  • summer_promotion1 Month trial$19.991 Month
Show 8 more
  • Vimi Monthly Premium7 Days trial$19.991 Month
  • Vimi monthly Premium$19.991 Month
  • Vimi Monthly Premium1 Month trial$24.991 Month
  • Vimi Quarterly Premium3 Days trial$44.993 Months
  • Vimi 3 months subscription3 Days trial$44.993 Months
  • Vimi Annual Premium3 Days trial$94.901 Year
  • Vimi Premium Annual7 Days trial$154.991 Year
  • Vimi Annual Premium$154.991 Year

Questions

Is Ello 2.0 free?
Ello 2.0 is free to download, with no in-app purchases.
Is Vimi free?
Vimi is free to download, with in-app purchases available.
Which has better reviews, Ello 2.0 or Vimi?
Vimi is rated higher. Ello 2.0 averages 4.3 out of 5 from 69 ratings, while Vimi averages 4.5 from 1K ratings.
Do Ello 2.0 or Vimi have ads?
Vimi shows ads; Ello 2.0 does not.
Which is updated more often, Ello 2.0 or Vimi?
Ello 2.0 ships an update every 2 days, and Vimi every 9 days. Most recently, Ello 2.0 was updated on October 28, 2026 and Vimi on October 28, 2026.
Which is more popular, Ello 2.0 or Vimi?
Ello 2.0 currently peaks at #65 in the App Store charts, and Vimi at #116. Chart position reflects recent download velocity rather than total install base.

Other comparisons