Comparison

Osmo Tangram Classic vs ABC Touch Letters

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

Head to head
About

Osmo Tangram Classic

Arrange physical puzzle pieces to match on-screen shapes in this engaging game. Challenge yourself or play with a friend through hundreds of levels. Explore diverse worlds and discover treasures as you solve spatial puzzles.

Highlights
  • Match physical pieces to on-screen shapes
  • Hundreds of visual and spatial puzzles
  • Play solo or with a friend
  • Explore themed worlds
  • Award-winning design
  • Brain-training challenges
Read full description

Arrange puzzle pieces to match on-screen shapes. Play with a friend or challenge yourself to increasingly difficult levels as your handiwork lights up with each victory. "This interplay between the physical and digital realms looks and feels like magic." - Forbes "Osmo has been a revolution in our family." - Wired Awarded: **Best Design** - Good Design, 2016 **Best Product Designs** - Fast Company Finalist, 2016 **Innovative Toy of the Year** - TOTY Finalist, 2015 **Best Inventions** - TIME, 2014 With over 500+ visual and spatial puzzles your brain gears will never stop turning! Explore the world of Tangram, puzzling your way through forests, deserts and dark scary castles to find treasure and rescue the people! *Requires the Osmo Base and Tangram blocks which can be found at www.playosmo.com * Please see our device compatibility list here: https://support.playosmo.com/hc/articles/115010156067 About Osmo Osmo is using 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.

About

ABC Touch Letters

A fast-paced game where players tap letters A through Z in order to achieve the best time. It helps train reflexes, visual speed, and peripheral vision. Compete with friends globally on the leaderboard and share your scores.

Highlights
  • Tap letters A-Z quickly
  • Improve reflexes and visual speed
  • Global leaderboard
  • Score sharing
  • Classic Mode
  • Color Mode
Features
Read full description

Touch the letters from A to Z as fast as you can, and get the best time! Train your reflexes, your visual speed and peripheral vision. Easy and fun game for all ages. Learn letters playing. Touch the letters in order, as fast as you can. - Tap fast and get high score - Leaderboard compare your score with friend all over the world - Share score There are two game modes: - Clasic Mode - Color Mode

Screenshots

Osmo Tangram Classic4 screens
ABC Touch Letters4 screens

Verdict

The call

The clearest difference is rating: Osmo Tangram Classic at 3.8 against ABC Touch Letters's 2.7. Osmo Tangram Classic also leads on ads (none vs shown) and ratings volume (314 vs 6). ABC Touch Letters's advantage is update cadence (fortnightly vs every 2 months) and monetization model (ad-supported vs free with in-app purchases). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Osmo Tangram Classic holds the better App Store score, 3.8 against 2.7. That said, the two scores are not equally well evidenced: Osmo Tangram Classic has 314 ratings behind it against 6, so its average is the more settled of the two.

UpkeepUpdate frequency

Osmo Tangram Classic ships an update every 2 months, ABC Touch Letters fortnightly. The most recent releases landed on November 3, 2026 and November 1, 2026 respectively.

Scorecard6 real differences · 4 level
Osmo Tangram Classic versus ABC Touch Letters: the parameters behind the verdict, then further details
ParameterOsmo Tangram ClassicABC Touch Letters
PriceFreeFree
Rating3.8 (314 ratings) — better2.7 (6 ratings)
Positive reviews46.6% of reviews—
Number of ratings314 — better6
Update frequencyEvery 2 monthsFortnightly — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size172 MB24 MB
Age rating4+4+
DeveloperTangible PlayFernando Gonzalez Frias

Customer experience

Osmo Tangram Classic

All ratings314 ratings
Positive67.8%
Neutral7.3%
Negative24.8%
Written reviews88 reviews
Positive46.6%
Neutral5.7%
Negative47.7%

ABC Touch Letters

All ratings6 ratings
Positive33.3%
Neutral0.0%
Negative66.7%

Bugs and requests

Osmo Tangram Classic

Reported bugs

12 issues
  • Camera does not detect tangram pieces consistently
  • App stuck on loading screen
  • Puzzle completion not recognized despite correct placement
  • Screen freezes during gameplay
  • Pieces appear in multiple locations simultaneously
Show 7 more
  • App crashes on supported device models
  • Progress resets to beginning after closing app
  • Demo version saves not persisting
  • Compatibility claims inaccurate - shows compatible but won't launch
  • Camera permission not requested on first launch
  • Scrolling on main map frozen in one spot
  • Tile placement detection failures for specific pieces

Requested features

11 requests
  • Advanced difficulty mode for older children and adults
  • Multiplayer gameplay option
  • Adult-oriented version for therapeutic use
  • Improved piece detection and camera sensitivity
  • Smaller app file size
Show 6 more
  • Faster download and loading times
  • More puzzle variety and content
  • Better lighting compensation for camera
  • Restoration of sticker/achievement book feature
  • Easier piece placement mechanics
  • More gems for completing achievements

ABC Touch Letters

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Osmo Tangram Classic

No in-app purchases

None

ABC Touch Letters

No in-app purchases

Questions

Is Osmo Tangram Classic free?
Osmo Tangram Classic is free to download, with no in-app purchases.
Is ABC Touch Letters free?
ABC Touch Letters is free to download, with no in-app purchases.
Which has better reviews, Osmo Tangram Classic or ABC Touch Letters?
Osmo Tangram Classic is rated higher. Osmo Tangram Classic averages 3.8 out of 5 from 314 ratings, while ABC Touch Letters averages 2.7 from 6 ratings.
Do Osmo Tangram Classic or ABC Touch Letters have ads?
ABC Touch Letters shows ads; Osmo Tangram Classic does not.
Which is updated more often, Osmo Tangram Classic or ABC Touch Letters?
Osmo Tangram Classic ships an update every 2 months, and ABC Touch Letters fortnightly. Most recently, Osmo Tangram Classic was updated on November 3, 2026 and ABC Touch Letters on November 1, 2026.

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