Comparison

Tami's Tower vs Osmo Words Chomp

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

Head to head
About

Tami's Tower

Guide a hungry tamarin to fruit by building a stable tower. Learn basic engineering design principles through interactive gameplay. This educational game is designed for young learners and can be used at home or in the classroom.

Highlights
  • Build towers to reach fruit
  • Learn engineering design principles
  • Educational content for K-2
  • Metacognitive prompts for self-assessment
  • Sandbox mode for level design
  • Classroom or home use
Features
Read full description

It’s lunch time and Tami, the golden lion tamarin, is hungry! Help Tami reach the delicious fruit by building a tower. But watch out! Other animals can cause Tami’s tower to topple over. From the Smithsonian Science Education Center, Tami’s Tower: Let’s Think About Engineering is an educational engineering design game that will help teach your student how to design a solution to a problem using basic engineering design principles. Educational features: • Aligned to educational science standards for kindergarten through second grade • Designed for emergent readers • Grounded in educational psychology research • Metacognitive prompts provide students an opportunity to monitor and assess their own confidence •  Teachers can assess student responses to metacognitive prompts through an in-game summary screen •  In-game tutorial to teach students how to play • Introduces students to engineering design principles • Students will learn how the shape of an object can help it function as needed to solve a problem •  Students can reflect on previous attempts to improve design •  Students can design a level in Sandbox mode •  Designed to be used in the classroom or at home

About

Osmo Words Chomp

This educational game challenges kids to find and 'eat' words with a friendly monster. It helps build literacy skills like spelling, word recognition, and vocabulary for young learners.

Highlights
  • Word recognition
  • Spelling practice
  • Vocabulary building
  • Critical thinking
  • Creative problem-solving
  • Literacy skill development
Read full description

Find words, and eat them! With an adorable monster called Chomp! In Words Chomp, kids control Chomp, a monster hungry for words. Find words in your level, and Chomp will eat them! Chomp will get bigger and bigger as more words are eaten, and the bigger Chomp gets. Osmo Words Chomp is a word-building and spelling game designed to teach literacy skills for kids in grades K-3. Using your existing Osmo Base for iPad and Words tiles, this digital-only extension is a great add-on to your Osmo system. Includes: - Word recognition - Spelling practice - Word patterns - Vocabulary building - Sight words - Critical thinking - Creative problem-solving *Play your favourite Osmo Words Chomp on both iPhone and iPad! Use your iPhone with the Osmo Base for iPad and Words tiles - each can be found at playosmo.com. * Please see our device compatibility list here: https://support.playosmo.com/hc/articles/115010156067 * Compatible iPhones: iPhone 12, 12 Pro, 12 Pro Max iPhone 13, 13 Pro, 13 Pro Max iPhone 14, 14 Plus * Not compatible: iPhone 14 Pro, 14 Pro Max iPhone 12 Mini,13 Mini iPhone SE (1-3) iPhone 11 Series and older *Requires use of Osmo Base for iPad and Words tiles to play. Visit www.playosmo.com to learn more. About Osmo: Osmo is using the screen to create a new healthy, hands-on learning experience that promotes creativity, problem solving and social interaction.

Screenshots

Tami's Tower1 screens
Osmo Words Chomp4 screens

Verdict

The call

The clearest difference is rating: Tami's Tower at 5.0 against Osmo Words Chomp's 3.7. Tami's Tower also leads on review sentiment (100% vs 60%) and in-app purchases (none vs 2). On price, ratings volume, update cadence and ads 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. Osmo Words Chomp sells 2 one-off in-app purchases. Tami's Tower asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Tami's Tower holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 14 and 14 respectively. Written reviews point the same way: 100% of Tami's Tower's written reviews are positive against 60% of Osmo Words Chomp's.

UpkeepUpdate frequency

Tami's Tower ships an update every 6 weeks, Osmo Words Chomp every 3 months. The most recent releases landed on October 29, 2026 and October 23, 2026 respectively.

Scorecard5 real differences · 5 level
Tami's Tower versus Osmo Words Chomp: the parameters behind the verdict, then further details
ParameterTami's TowerOsmo Words Chomp
PriceFreeFree
Rating5.0 (14 ratings) — better3.7 (14 ratings)
Positive reviews100.0% of reviews — better60.0% of reviews
Number of ratings1414
Update frequencyEvery 6 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better15.0
Further details — not scored
Size68 MB253 MB
Age rating4+4+
DeveloperSmithsonian InstitutionTangible Play

Customer experience

Tami's Tower

All ratings14 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Osmo Words Chomp

All ratings14 ratings
Positive64.3%
Neutral7.1%
Negative28.6%
Written reviews5 reviews
Positive60.0%
Neutral0.0%
Negative40.0%

In-app purchases

None

Tami's Tower

No in-app purchases

2 purchases

Osmo Words Chomp

One-time2
  • 3-day trial of Words ChompFree
  • Unlock Words Chomp$9.99

Questions

Is Tami's Tower free?
Tami's Tower is free to download, with no in-app purchases.
Is Osmo Words Chomp free?
Osmo Words Chomp is free to download, with in-app purchases available.
Which has better reviews, Tami's Tower or Osmo Words Chomp?
Tami's Tower is rated higher. Tami's Tower averages 5.0 out of 5 from 14 ratings, while Osmo Words Chomp averages 3.7 from 14 ratings.
Do Tami's Tower or Osmo Words Chomp have ads?
Neither Tami's Tower nor Osmo Words Chomp shows ads.
Which is updated more often, Tami's Tower or Osmo Words Chomp?
Tami's Tower ships an update every 6 weeks, and Osmo Words Chomp every 3 months. Most recently, Tami's Tower was updated on October 29, 2026 and Osmo Words Chomp on October 23, 2026.

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