Comparison

LetterSchool vs Set Tool by mathies

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

Head to head
About

LetterSchool

This app helps young children learn to write letters, numbers, and shapes through interactive tracing and engaging animations. It offers progress tracking and is designed by educational professionals to be safe and fun for toddlers and preschoolers.

Highlights
  • Block and cursive letter tracing
  • Uppercase and lowercase letters
  • Numbers 1-10 tracing
  • Geometric shape tracing
  • Progress tracking for multiple players
  • Interactive animations and sound effects
  • CVC, CVCC, and long sound word practice
Features
Read full description

The #1 alphabet tracing and words spelling app for toddlers & pre-schoolers. Recommended and used by parents, teachers, and occupational therapists! Loved & played by more than 2 million kids and used at more than 5,000 schools! - Winner of 'National Parenting Product Awards' - NAPPA Awards - ‘Best Mobile App Platinum Award’ nominee! – BMA SPECIAL FEATURES: - Block & Cursive Letters, - Uppercase and Lowercase, - Numbers 1-10, - 24 geometric shapes for toddlers! - Keep track of your child’s progress, - Unlock Golden Levels! - 72 CVC words, 36 CVCC words, and 39 long sound words! - Progress and settings stored for up to three players on the same device, - Interactive and visually attractive fun animations, - Available for both iPads and iPhones! IMPORTANT: The first five letters of the alphabet (both uppercase and lowercase), five shapes, and the first three CVC flashcards (nine words) are completely for free. They can be played entirely (on 3 game steps). Enjoy this trial and have fun! PERFECT FOR KIDS: Kids want to have fun and LetterSchool offers an educational journey with the most engaging and entertaining educational material! - Learn while engaging with over 20+ exciting animations, graphics, and sound effects. - Associate letters with words, master and memorize tracing directions and the correct formation of each character. - Learn phonics, the formation of words, understand syllable formations, and spell entire words. - 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 font families in handwriting education (Handwriting Without Tears, D’Nealian, and Zaner-Bloser). - Complete a set of letters, numbers, or shapes to unlock the Golden Levels! - Golden Level allows progress tracking and displays exactly how the letter was drawn! - A new challenge at every step: Your child traces a letter, number or shape 3 times using different parameters. SAFE: - 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. 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 kid will become a pro in writing and spelling! SUBSCRIPTION DETAILS: LetterSchool offers several auto-renewing subscription options: per month. quarter, and year. - You can cancel your subscription anytime without an extra cancellation fee. - Payment will be charged to your iTunes account at confirmation of purchase. - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - The account will be charged for renewal within 24-hours before the end of the current period, and identify the cost of the renewal. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. - No cancellation of the current subscription is allowed during an active subscription period. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. - Your iTunes account will be charged automatically after the 7-day free trial. CONTACT 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 https://www.letterschool.com/en/help. Terms of service and privacy policy: https://www.letterschool.com/legal/terms-of-use & https://www.letterschool.com/legal/privacy-policy

About

Set Tool by mathies

This app allows users to create, sort, and classify sets of objects to explore mathematical concepts. It supports number composition, decomposition, pattern creation, and probability experiments through interactive tools and visual representations.

Highlights
  • Create custom or random sets of objects
  • Sort and classify objects by attributes
  • Represent, compose, and decompose numbers
  • Explore probability and randomness
  • Use Ten frames and Frames of Tenths
  • Built-in annotation tool
Features
Read full description

Sets of objects can be generated randomly or designed by the user. Sort and classify objects. Create patterns. Represent, compose and decompose whole numbers, tenths, and fractions. Explore experimental probability. Mathematical Concepts: Create visual representations that help explore mathematical thinking related to: • Subitizing (instantly seeing “how many”) • Sorting by attributes (shape, colour, size, with face/no face) • Counting principles, e.g., conservation of number • Skip counting by 2s, 5s and 10s • Representing, comparing and ordering numbers • Composing and decomposing numbers • Using anchor values of 2, 5, and 10 • Modelling operations with numbers • Demonstrating multiplicative thinking • Exploring number patterns and concepts • Creating patterns • Exploring probability and randomness Features: • Create a user-designed set of objects by dragging into the workspace • Auto-generate a random set of objects by specifying a number • Auto-generate a new set while conserving count and selected attribute options • Select an object or set of objects by drawing a marquee around them • Copy selected objects • Change the attributes of selected objects (shape, colour, size, facedness) specifically or randomly • Organize objects using Ten frames or Frames of Tenths • Scramble or align objects in the workspace • Increase and decrease the object size • Use the multiplier button to set the number of objects (1, 2, 5, 10) to drag to the workspace • Use the Object Count button (#) to check to see how many objects are in the workspace • Step through a history of your work with the undo/redo buttons • Communicate your thinking or highlight various features of your representation using the built-in annotation tool • Insert background images

Screenshots

LetterSchool4 screens
Set Tool by mathies4 screens

Verdict

The call

The clearest difference is review sentiment: Set Tool by mathies at 100% against LetterSchool's 54%. Set Tool by mathies also leads on rating (5.0 vs 4.5) and in-app purchases (none vs 14). LetterSchool's advantage is ratings volume (17K vs 1). 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. LetterSchool sells 14 in-app purchases, starting at $4.99 per month. Set Tool by mathies asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Set Tool by mathies holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: LetterSchool has 17K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 54% of LetterSchool's written reviews are positive against 100% of Set Tool by mathies's.

UpkeepUpdate frequency

LetterSchool ships an update every 2 months, Set Tool by mathies monthly. The most recent releases landed on October 21, 2026 and October 5, 2026 respectively.

Scorecard6 real differences · 4 level
LetterSchool versus Set Tool by mathies: the parameters behind the verdict, then further details
ParameterLetterSchoolSet Tool by mathies
PriceFreeFree
Rating4.5 (17K ratings)5.0 (1 ratings) — better
Positive reviews54.4% of reviews100.0% of reviews — better
Number of ratings17K — better1
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.08.0 — better
Further details — not scored
Size158 MB35 MB
Age rating4+4+
DeveloperLetterschool Enabling Learning B.V.OAME

Customer experience

LetterSchool

All ratings16,985 ratings
Positive87.6%
Neutral6.1%
Negative6.3%
Written reviews250 reviews
Positive54.4%
Neutral8.0%
Negative37.6%

Set Tool by mathies

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

LetterSchool

Reported bugs

4 issues
  • Dari letter (پ) keeps glitching
  • Subscription issues (app reverts to lite version, need to restore purchases)
  • Incompatibility with older devices
  • Login screen freezes

Requested features

5 requests
  • Add more languages (Russian, Serbian, Thai, Korean, Hebrew, Hindi, etc.)
  • Allow creating custom words/names to practice
  • Improve letter sound pronunciations
  • Add more visual options (fonts, themes, etc.)
  • Integrate with International Phonetic Alphabet

Set Tool by mathies

Not enough reviews yet to summarise bugs or requests.

In-app purchases

14 purchases

LetterSchool

Subscriptions10
  • Monthly Access Pass7 Days trial$4.991 Month
  • LetterSchool - Monthly Pass7 Days trial$9.991 Month
  • Monthly Access Pass7 Days trial$9.991 Month
Show 7 more
  • Quarterly Access Pass7 Days trial$12.993 Months
  • LetterSchool - Monthly Pass7 Days trial$14.991 Month
  • Quarterly Access Pass7 Days trial$19.993 Months
  • Annual Access Pass7 Days trial$44.991 Year
  • LetterSchool - Annual Pass$59.991 Year
  • Yearly Access Pass7 Days trial$59.991 Year
  • LetterSchool - Annual Pass7 Days trial$74.991 Year
One-time4
  • Unlock All Shapes$2.99
  • Unlock Full Block Alphabet$6.99
  • Unlock Full Cursive Alphabet$6.99
Show 1 more
  • All-in-one Package$79.99
None

Set Tool by mathies

No in-app purchases

Questions

Is LetterSchool free?
LetterSchool is free to download, with in-app purchases available.
Is Set Tool by mathies free?
Set Tool by mathies is free to download, with no in-app purchases.
Which has better reviews, LetterSchool or Set Tool by mathies?
Set Tool by mathies is rated higher. LetterSchool averages 4.5 out of 5 from 17K ratings, while Set Tool by mathies averages 5.0 from 1 ratings.
Do LetterSchool or Set Tool by mathies have ads?
Neither LetterSchool nor Set Tool by mathies shows ads.
Which is updated more often, LetterSchool or Set Tool by mathies?
LetterSchool ships an update every 2 months, and Set Tool by mathies monthly. Most recently, LetterSchool was updated on October 21, 2026 and Set Tool by mathies on October 5, 2026.

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