Comparison

Ello 2.0 vs Happy Digits

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

Happy Digits

This app provides a fun and stress-free way for young learners to practice core math operations. It offers customizable sessions, positive feedback, and progress tracking without any distractions like ads or accounts.

Highlights
  • Addition, subtraction, multiplication, division practice
  • Customizable sessions with number limits and timers
  • Friendly, easy-to-use keypad
  • Positive feedback and animations
  • Progress tracking and session reports
  • No ads or accounts required
Features
Read full description

Happy Digits makes math joyful, simple, and stress-free for kids! Designed for young learners and their families, Happy Digits turns math practice into a friendly, confidence-building experience—no accounts, ads, or distractions. Why Happy Digits? - Instant Play: Just tap to start—no setup, logins, or grown-up help required. Kids can jump right into math practice with a single tap. - All Core Operations: Practice addition, subtraction, multiplication, and division. Each game is tailored for little hands and growing minds. - Customizable Sessions: Choose your math game, set a number limit, and add a practice timer if you want. Sessions are flexible to fit any routine. - Friendly Keypad: Big, easy-to-tap buttons make entering answers simple for kids. “Show answer” gives a gentle hint when needed. - Positive Feedback: Every session is filled with cheerful animations, happy faces, and encouraging sounds to celebrate effort and progress. - Progress Tracking: See strengths and focus areas at a glance. Session reports help kids and parents spot what’s going well and what deserves another round. - No Accounts or Ads: Happy Digits is safe and private. There are no accounts to create, no ads, and no data tracking—just pure math fun. - Grown-Up Controls: Reset progress or access settings with a simple math prompt, keeping grown-up features out of the way for kids. How It Works 1. Open Happy Digits and tap to play. 2. Pick a math operation—addition, subtraction, multiplication, or division. 3. Slide to set your number limit and choose a timer if you like. 4. Practice with friendly cards, three tries per question, and a “show answer” option for extra help. 5. Finish your session and check your progress—see which facts are strong and which need more practice. Perfect for Home or School Happy Digits is designed for independent practice, homework support, or classroom use. It’s ideal for kids ages 5–10, but flexible enough for anyone who wants to sharpen their math facts in a positive, low-pressure way. Features at a Glance - Simple, kid-friendly interface - All four core math operations - Adjustable number limits and timers - Session reports and progress board - No ads, accounts, or subscriptions - Optional tip jar to support future features Privacy First Happy Digits collects no personal data and never shows ads. All progress is stored safely on your device. Make math time happy time—download Happy Digits and watch your child’s confidence grow!

Screenshots

Ello 2.04 screens
Happy Digits4 screens

Verdict

The call

The clearest difference is rating: Happy Digits at 5.0 against Ello 2.0's 4.3. Ello 2.0's advantage is in-app purchases (none vs 3) and ratings volume (69 vs 3). On price, ads, device support and iOS requirement 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. Happy Digits sells 3 one-off in-app purchases. Ello 2.0 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Happy Digits holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Ello 2.0 has 69 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

Ello 2.0 ships an update every 2 days, Happy Digits every 5 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

Scorecard6 real differences · 5 level
Ello 2.0 versus Happy Digits: the parameters behind the verdict, then further details
ParameterEllo 2.0Happy Digits
PriceFreeFree
Rating4.3 (69 ratings)5.0 (3 ratings) — better
Positive reviews66.7% of reviews—
Number of ratings69 — better3
Update frequencyEvery 2 days — betterEvery 5 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank#82 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size203 MB25 MB
Age rating4+4+
DeveloperEllo Technology, Inc.John Cahill

Customer experience

Ello 2.0

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

Happy Digits

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Ello 2.0

No in-app purchases

3 purchases

Happy Digits

One-time3
  • Buy me a small coffee$0.99
  • Buy me a medium coffee$2.99
  • Buy me a large coffee$4.99

Questions

Is Ello 2.0 free?
Ello 2.0 is free to download, with no in-app purchases.
Is Happy Digits free?
Happy Digits is free to download, with in-app purchases available.
Which has better reviews, Ello 2.0 or Happy Digits?
Happy Digits is rated higher. Ello 2.0 averages 4.3 out of 5 from 69 ratings, while Happy Digits averages 5.0 from 3 ratings.
Do Ello 2.0 or Happy Digits have ads?
Neither Ello 2.0 nor Happy Digits shows ads.
Which is updated more often, Ello 2.0 or Happy Digits?
Ello 2.0 ships an update every 2 days, and Happy Digits every 5 days. Most recently, Ello 2.0 was updated on October 28, 2026 and Happy Digits on October 25, 2026.

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