Comparison

Square Panda Letter Lab vs Osmo ABCs

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

Head to head
About

Square Panda Letter Lab

Children engage with letters and sounds in a playful laboratory setting. Robots help early learners discover the alphabet, phonemic awareness, and vocabulary through interactive activities. This app reinforces foundational reading skills for young children.

Highlights
  • Letter and sound discovery
  • Phonemic sound encoding/decoding
  • Interactive robot-based learning
  • Vocabulary building
  • Reading readiness skills
Features
Read full description

Welcome to a magical laboratory where letters come to life! Children help find letters for "word-bots," funny robots who love words! Compatible with the Square Panda Phonics Playset, early learners discover letters and sounds using robots to manipulate letters by sounding them out, transforming them into objects, shrinking them from uppercase to lowercase letters, painting them, and blowing them dry! With each experimental activity, children hear letter sounds in new contexts, reinforcing the most fundamental skills in reading readiness! Perfect for children learning: the Alphabet, letter sounds, phonemic word onsets and vocabulary Features: Encoding and decoding phonemic sounds Expressive phonics 26 phonemic sounds x 5 robots = lots of phonemic discoveries! Phonics Benefits: Children learn that symbols correspond with specific phonemic sounds and when placed individually or together, create brand new sounds. These sounds tied together have meaning and this meaning is the construct for the entire English language. For ages 2-5. Square Panda Playset required to play.

About

Osmo ABCs

Engage young learners in a hands-on adventure to build pre-reading skills. Through interactive play with a friendly monster, children develop confidence in letter recognition, phonics, and vocabulary. This app requires physical Osmo pieces and a compatible iPhone or iPad.

Highlights
  • Letter recognition
  • Phonics learning
  • Vocabulary building
  • Over 300 words
  • Hands-on play
  • Interactive adventure
Read full description

More than 300 words! Through this playful hands-on adventure with Mo the Monster, kids become confident about letter recognition, phonics, and vocabulary. *Play your favourite Osmo ABCs on both iPhone and iPad! Use your iPhone with the Osmo Base for iPad and Silicone Sticks & Rings pieces - each can be found at playosmo.com. *Requires the Osmo Base for iPad and Silicone Sticks & Rings pieces. Learn more by visiting www.playosmo.com. *Please see our device compatibility list here: https://support.playosmo.com/hc/articles/115010156067 ABOUT OSMO -- 21ST CENTURY PLAY AND LEARNING Osmo uses the screen to create a new healthy, hands-on learning experience that promotes creativity, problem-solving and social interaction. We do this with our reflective artificial intelligence technology.

Screenshots

Osmo ABCs4 screens

Verdict

The call

The clearest difference is rating: Osmo ABCs at 3.7 against Square Panda Letter Lab's 3.1. Osmo ABCs also leads on ratings volume (266 vs 14) and device support (3 vs 1). Square Panda Letter Lab's advantage is review sentiment (55% vs 19%) and monetization model (free vs free with in-app purchases). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Osmo ABCs holds the better App Store score, 3.7 against 3.1. That said, the two scores are not equally well evidenced: Osmo ABCs has 266 ratings behind it against 14, so its average is the more settled of the two. Written reviews complicate that: 55% of Square Panda Letter Lab's written reviews are positive against 19% of Osmo ABCs's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

Scorecard6 real differences · 4 level
Square Panda Letter Lab versus Osmo ABCs: the parameters behind the verdict, then further details
ParameterSquare Panda Letter LabOsmo ABCs
PriceFreeFree
Rating3.1 (14 ratings)3.7 (266 ratings) — better
Positive reviews54.5% of reviews — better18.9% of reviews
Number of ratings14266 — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPadiPhone, iPad, iPod — better
Requires iOS8.0 — better15.0
Further details — not scored
Size350 MB843 MB
Age rating4+4+
DeveloperSquare Panda Inc.Tangible Play

Customer experience

Square Panda Letter Lab

All ratings15 ratings
Positive53.3%
Neutral6.7%
Negative40.0%
Written reviews11 reviews
Positive54.5%
Neutral0.0%
Negative45.5%

Osmo ABCs

All ratings265 ratings
Positive63.0%
Neutral9.4%
Negative27.5%
Written reviews37 reviews
Positive18.9%
Neutral2.7%
Negative78.4%

Bugs and requests

Square Panda Letter Lab

Not enough reviews yet to summarise bugs or requests.

Osmo ABCs

Reported bugs

11 issues
  • Not compatible with iPad Pro
  • Not receiving verification code
  • Faulty readings (wrong tile detection)
  • Camera orientation issues on newer iPads
  • App won't open for some users
Show 6 more
  • Reflector not recognizing letters/pieces
  • No sound
  • Audio keeps dropping
  • App crashes on opening
  • ABC app not opening
  • Connectivity issues with ABC game redirection

Requested features

3 requests
  • Update app for newer iPads
  • Fix ABC game redirection to App Store
  • Fix audio issues

In-app purchases

None

Square Panda Letter Lab

No in-app purchases

None

Osmo ABCs

No in-app purchases

Questions

Is Square Panda Letter Lab free?
Square Panda Letter Lab is free to download, with no in-app purchases.
Is Osmo ABCs free?
Osmo ABCs is free to download, with no in-app purchases.
Which has better reviews, Square Panda Letter Lab or Osmo ABCs?
Osmo ABCs is rated higher. Square Panda Letter Lab averages 3.1 out of 5 from 14 ratings, while Osmo ABCs averages 3.7 from 266 ratings.
Do Square Panda Letter Lab or Osmo ABCs have ads?
Neither Square Panda Letter Lab nor Osmo ABCs shows ads.
Which is updated more often, Square Panda Letter Lab or Osmo ABCs?
Square Panda Letter Lab ships an update every 2 months, and Osmo ABCs every 2 months. Most recently, Square Panda Letter Lab was updated on November 2, 2026 and Osmo ABCs on November 6, 2026.

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