Comparison

Solvemoji vs 21 Smash

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

Head to head
About

Solvemoji

This app uses emojis to create engaging math and logic puzzles for students, teachers, and parents. It offers various puzzle types, progress tracking, and tools to make learning fun and accessible. It's designed to build confidence and critical thinking skills.

Highlights
  • Emoji math and logic puzzles
  • Classic, Grid, Word, Doku, and Odd Emoji puzzles
  • Draw-on-screen tools
  • Progress tracking
  • Full website sync
  • Teacher and school management features
Features
Read full description

Unlock the fun of learning with Solvemoji – where emojis transform math into an engaging adventure! Solvemoji brings together the visual appeal of emojis with the educational power of mathematics and logic puzzles. Whether you're a student building algebraic thinking, a teacher seeking engaging classroom resources, or a parent looking for educational screen time, Solvemoji offers a colorful solution that makes learning irresistible. PERFECT FOR: Students – Build math confidence through visual, engaging puzzles Teachers – Ready-made resources for warm-ups, brain breaks, and differentiated learning Parents – Educational entertainment that develops critical thinking skills Homeschoolers – Structured learning activities across multiple difficulty levels Puzzle Lovers – Brain-training challenges with a delightful emoji twist APP FEATURES: Full Website Sync – Seamlessly continue your progress between app and solvemoji.com Draw-on-Screen Tools – Sketch, annotate, and work through problems directly on puzzles Progress Tracking – Monitor improvement across difficulty levels and puzzle types FIVE UNIQUE PUZZLE TYPES: Classic Puzzles – Traditional emoji algebra problems where each emoji represents a number. Develop algebraic thinking through colorful equations. Grid Puzzles – Emoji algebra challenges presented in grid format, adding spatial reasoning to mathematical problem-solving. Word Puzzles – Solve emoji equations to reveal hidden words, combining math skills with vocabulary and pattern recognition. Emojidoku – Our unique emoji twist on Sudoku! Pure logic puzzles that develop critical thinking without requiring math skills. Odd Emoji – Visual logic challenges where you identify the emoji that doesn't belong, sharpening observation skills. EDUCATIONAL BENEFITS: Strengthens algebraic thinking and equation-solving skills Develops pattern recognition and logical reasoning Improves problem-solving strategies and persistence Enhances visual processing and attention to detail Builds confidence in mathematical concepts through engaging visuals CLASSROOM READY: Used by thousands of teachers worldwide, Solvemoji puzzles serve as: Engaging warm-up activities and brain breaks Differentiated learning materials for mixed-ability classes Assessment tools for algebraic thinking Fun homework assignments that students actually enjoy TEACHER & SCHOOL FEATURES: Bulk Student Management – Add 30-300 student accounts with single subscription QR Code Login – Students simply scan to access their personal accounts instantly Progress Monitoring – Track individual student progress and class performance Curriculum Integration – Align puzzles with math standards and learning objectives TRUSTED BY EDUCATORS: Featured on Teachers Pay Teachers with thousands of downloads, Solvemoji has earned recognition from Apple Education Community and Tech & Learning magazine. Download Solvemoji today and discover why educators, parents, and students worldwide choose emoji-powered learning!

About

21 Smash

A fast-paced, single-player card game blending Solitaire and Blackjack mechanics. Aim to reach 21 or stack five cards to clear them, challenging the clock for high scores and leaderboard rankings.

Highlights
  • Fast-paced single-player gameplay
  • Mix of Solitaire and Blackjack
  • Reach 21 or stack five cards
  • Daily and weekly leaderboards
  • Addictive combos and time challenges
  • Casual graphics and rich sounds
Features
Read full description

Fast paced single player card game, the best mix up of Solitaire and BlackJack! Try to get 21s, or stack up five cards to SMASH'em away! Make as many combos as you can and try to finish as fast as you can! Fight against the clock! Good exercise for the brain! Highly addictive! Can you get your name on the world ladder? Features: - Daily and Weekly leaderboards - Addictive game play - Beautiful casual graphics and rich sounds - 100% FREE game play! ---------------------------------- The game is in English. It requires internet connection, for online leaderboards. ---------------------------------- ---------------------------------- VISIT US: https://norristhlm.com

Screenshots

Solvemoji4 screens
21 Smash3 screens

Verdict

The call

The clearest difference is in-app purchases: 21 Smash at none against Solvemoji's 1. Solvemoji's advantage is ads (none vs shown) and update cadence (every 2 months vs every 4 months). On price, rating, review sentiment and ratings volume 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. Solvemoji sells 1 in-app purchase, starting at $19.99 per year. 21 Smash asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Solvemoji against 4.7 for 21 Smash. Both are backed by a comparable volume of ratings — 83 and 36 respectively. Written reviews are what separate them: 93% of Solvemoji's written reviews are positive against 100% of 21 Smash's.

UpkeepUpdate frequency

Solvemoji ships an update every 2 months, 21 Smash every 4 months. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

Scorecard4 real differences · 6 level
Solvemoji versus 21 Smash: the parameters behind the verdict, then further details
ParameterSolvemoji21 Smash
PriceFreeFree
Rating4.8 (83 ratings) — better4.7 (36 ratings)
Positive reviews92.9% of reviews100.0% of reviews — better
Number of ratings83 — better36
Update frequencyEvery 2 months — betterEvery 4 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size49 MB19 MB
Age rating4+4+
DeveloperLaurence ArnottAB Norri Stockholm

Customer experience

Solvemoji

All ratings83 ratings
Positive94.0%
Neutral4.8%
Negative1.2%
Written reviews14 reviews
Positive92.9%
Neutral0.0%
Negative7.1%

21 Smash

All ratings36 ratings
Positive91.7%
Neutral5.6%
Negative2.8%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Solvemoji

Subscriptions1
  • Solvemoji Premium$19.991 Year
None

21 Smash

No in-app purchases

Questions

Is Solvemoji free?
Solvemoji is free to download, with in-app purchases available.
Is 21 Smash free?
21 Smash is free to download, with no in-app purchases.
Which has better reviews, Solvemoji or 21 Smash?
Solvemoji is rated higher. Solvemoji averages 4.8 out of 5 from 83 ratings, while 21 Smash averages 4.7 from 36 ratings.
Do Solvemoji or 21 Smash have ads?
21 Smash shows ads; Solvemoji does not.
Which is updated more often, Solvemoji or 21 Smash?
Solvemoji ships an update every 2 months, and 21 Smash every 4 months. Most recently, Solvemoji was updated on October 15, 2026 and 21 Smash on October 8, 2026.

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