Comparison

LetterSchool vs Bubl ABC

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

Head to head
About

LetterSchool

This educational app helps young children learn to write all letters of the English alphabet and numbers 1-10 through interactive games. It focuses on developing phonics and handwriting skills with engaging animations and sound effects.

Highlights
  • Learn uppercase and lowercase letters
  • Practice numbers 1-10
  • Four learning games per letter/number
  • Phonics and word association
  • Progress tracking for multiple players
  • Choice of popular handwriting typefaces
Features
Read full description

The #1 alphabet tracing app for toddlers & pre-schoolers. Recommended and used by parents, teachers, and occupational therapists. Loved & played by more than 2 million toddlers and used at more than 5.000 schools! LetterSchool is an educational app designed to help every child play and learn how to write all letters of the English alphabet (from A to Z) and numbers from 1-10. Kids practice and develop essential phonics and handwriting skills as they play three exciting games per letter or number – as an extra, they learn words associated with the letters! HOW IT WORKS: Intro - Discover the shape, phonics, name, and sound of all the 26 block / print letters and numbers (1-10). Tap - Learn where to start to write the letters and numbers and finish by tapping the dots in the correct order. Trace - Learn the letter trajectory and direction of lines by tracing it. Write - Test your knowledge by writing the ABC and numbers from memory! SPECIAL FEATURES: - Uppercase and lowercase block letters + numbers 1-10! - Two exciting levels: Silver and Gold (with new animations)! - Progress and settings stored for up to three players on the same device. - In the A-Z section, specific graphics available to match the letters (e.g. ant graphic for letter A/a). - Available for both iPads and iPhones. - Special edition for schools and teachers. - Available in bulk through the Volume Purchase Program. - Available at a reduced price for educational institutions: 50% off for 20+ units! PERFECT FOR KIDS: Kids want to have fun, and LetterSchool offers an educational journey with the most engaging and entertaining educational material! - They learn with various exciting animations, graphics, and sound effects. - They learn to associate letters with words, learn and memorize tracing directions and the correct formation of each character. - Perfect for home-schooling kids and kindergartens. A user-friendly app for children with special educational needs. PERFECT FOR PARENTS & TEACHERS: - Choice of the three most popular typefaces in handwriting education (Handwriting Without Tears, D’Nealian, and Zaner-Bloser). - Two levels, where Golden Level allows tracking kids’ progress by displaying their exact letter writing! - Engaging and compelling game mode prompting the child to trace a letter or a number 3 times using different parameters (each step is more challenging). - An educational app created together with parents and educational professionals. - NO ADS! - Advanced settings or purchases only accessible by an adult! - Extremely committed Customer Support ready to answer all questions and fix any issues. MONTESSORI MATERIALS & METHODS: LetterSchool is crafted with the greatest care for preschool kids & toddlers. Parents, teachers, and occupational therapists can use LetterSchool independently, but schools that teach according to the Montessori principle can use LetterSchool as a source for their Montessori materials and methods as well. ACCOLADES: - ‘Best Mobile App of 2018 Platinum Award’ nominee! – BMA - Winner of 'National Parenting Product Awards 2018' - NAPPA Awards - Teachers With Apps Certified – TeachersWithApps - “Learning a letter on this app is like being on a great party, with disco lights, stars and fireworks. Every letter is a surprise!” – Apps4Kids - “The kids love it! This app is right on track to help my son to be better prepared for Kindergarten”. -Kidz LET'S PLAY & LEARN! Join LetterSchool on this exciting educational journey! Download the app and allow your toddler to discover the magical world of letters and words. Before you know it, your child or pupil will be writing the entire English block alphabet! For more reviews and information, visit our website www.letterschool.com If you have any question or suggestions, please contact us at support@letterschool.com. You can also check our FAQ page on www.letterschool.org/faq.

About

Bubl ABC

This app offers a musical approach to learning the alphabet, where each letter is part of a song. Children can compose music by interacting with letters and practice writing and reading with instant word recognition and visual effects.

Highlights
  • Alphabet Acapella for musical learning
  • Interactive word toy for arranging letters
  • Dynamic visual effects for each letter
  • Available in seven languages
  • Supports writing and reading practice
Features
Read full description

Experience a new, musical way to learn the alphabet! In Bubl ABC every letter is part of a song. Learn the names of each letter and compose music by mixing and playing with letters. Older children can practice writing and reading: whenever a new word appears on screen, it is instantly recognised and highlighted with a special effect. Create a unique song out of your favourite letters and words! Features: - Alphabet Acapella: a new way to learn the alphabet by creating music from letters. - Available in seven languages: English, German, French, Spanish, Italian, Russian and Brazilian Portuguese. - Interactive word toy: children can play, mix, arrange letters into different words, which are instantly recognised and highlighted. - Visual delight: Bubl ABC features dynamic visual effects designed for every letter.

Screenshots

LetterSchool4 screens
Bubl ABC4 screens

Verdict

The call

The clearest difference is price: Bubl ABC at $2.99 against LetterSchool's $9.99. LetterSchool's advantage is update cadence (every 11 months vs every 143 months) and ratings volume (2.3K vs 48). On rating, ads, in-app purchases and monetization model 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

LetterSchool costs $9.99 and Bubl ABC $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.3 for LetterSchool against 4.2 for Bubl ABC. That said, the two scores are not equally well evidenced: LetterSchool has 2.3K ratings behind it against 48, so its average is the more settled of the two. Written reviews are what separate them: 76% of LetterSchool's written reviews are positive against 67% of Bubl ABC's.

UpkeepUpdate frequency

LetterSchool ships an update every 11 months, Bubl ABC every 143 months. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

Scorecard5 real differences · 5 level
LetterSchool versus Bubl ABC: the parameters behind the verdict, then further details
ParameterLetterSchoolBubl ABC
Price$9.99$2.99 — better
Rating4.3 (2.3K ratings) — better4.2 (48 ratings)
Positive reviews76.4% of reviews — better66.7% of reviews
Number of ratings2.3K — better48
Update frequencyEvery 11 months — betterEvery 143 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size96 MB91 MB
Age rating4+4+
DeveloperLetterschool Enabling Learning B.V.tinyworker UG

Customer experience

LetterSchool

All ratings2,249 ratings
Positive81.0%
Neutral8.6%
Negative10.4%
Written reviews148 reviews
Positive76.4%
Neutral2.0%
Negative21.6%

Bubl ABC

All ratings41 ratings
Positive78.0%
Neutral4.9%
Negative17.1%
Written reviews30 reviews
Positive66.7%
Neutral6.7%
Negative26.7%

Bugs and requests

LetterSchool

Reported bugs

4 issues
  • App crashes when trying to access certain levels
  • Letter 'H' freezes and requires multiple attempts
  • Screen flipping issue on Android devices
  • Sound not working on some iOS devices

Requested features

5 requests
  • Add more languages and writing styles
  • Include cursive writing support
  • Provide options to adjust letter/number size
  • Incorporate more shapes and tracing activities
  • Add customizable words and numbers

Bubl ABC

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

LetterSchool

No in-app purchases

None

Bubl ABC

No in-app purchases

Questions

Is LetterSchool free?
LetterSchool costs $9.99, with no in-app purchases.
Is Bubl ABC free?
Bubl ABC costs $2.99, with no in-app purchases.
Which has better reviews, LetterSchool or Bubl ABC?
LetterSchool is rated higher. LetterSchool averages 4.3 out of 5 from 2.3K ratings, while Bubl ABC averages 4.2 from 48 ratings.
Do LetterSchool or Bubl ABC have ads?
Neither LetterSchool nor Bubl ABC shows ads.
Which is updated more often, LetterSchool or Bubl ABC?
LetterSchool ships an update every 11 months, and Bubl ABC every 143 months. Most recently, LetterSchool was updated on October 30, 2026 and Bubl ABC on October 29, 2026.

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