Comparison

Engineering Adventures vs Preschool Memory Games

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

Head to head
About

Engineering Adventures

This app complements an out-of-school engineering curriculum by providing audio messages triggered by QR codes in accompanying journals. It covers 11 different engineering units, from building earthquake-resistant structures to designing space gloves.

Highlights
  • QR code scanner
  • Audio messages from characters
  • 11 engineering units
  • Complements curriculum
  • Interactive learning
Features
Read full description

Messages from the Duo is designed to be used in conjunction with the out-of-school time engineering curriculum Engineering Adventures. Eleven units are available, including: 1. Hop to It: Safe Removal of Invasive Species 2. Bubble Bonanza: Engineering Bubble Wands 3. To the Rescue: Engineering Aid Drop Packages 4. Shake Things Up: Engineering Earthquake Resistant Buildings 5. Go Green: Engineering Recycled Racers 6. Liftoff: Engineering Rockets and Rovers 7. The Sky’s the Limit: Engineering Flying Technologies 8. Music to My Ears: An Acoustical Engineering Challenge 9. A Slippery Slope: Engineering Avalanche Protection Systems 10. Light Up the Night: An Electrical Engineering Challenge 11. In Good Hands: Engineering Space Gloves Educators and kids can use the special QR code scanner in this app to scan the codes in their Engineering Journals and play audio messages from India and Jacob, Engineering Adventures’ “travelling duo.” For more information about how to download or purchase an Educator Guide and Engineering Journal, visit the Engineering Adventures website at engineeringadventures.org. Produced by Owen Berliner and the Engineering is Elementary Team Developed by Sean Fitzgerald and Tarrant Cutler Illustrated by Ross Sullivan-Wiley

About

Preschool Memory Games

This game offers a fun and engaging way for preschoolers to develop memory, vocabulary, and recognition skills. It features a wide variety of categories, adjustable difficulty levels, and a daily challenge to keep young minds stimulated.

Highlights
  • 24+ matching categories
  • 10 difficulty levels per category
  • Star-based progression system
  • Daily challenge puzzles
  • Learn words, numbers, and letters
  • Designed for little hands
  • Privacy-friendly, no ads or tracking
Features
Read full description

Spark tiny brains! Flip cute cards, match animals, colors, shapes and many more! A bright, friendly memory game built for preschoolers — and lovingly redesigned in this update. WHAT'S INSIDE 24 categories: Animals, Farm Animals, Sea Animals, Insects, Fruits, Vehicles, Colors, Shapes, Alphabet, Numbers 1–10, Body Parts, Emotions, Family, Jobs, Instruments, Seasons, Weather, Actions, Prepositions, Opposites, Daily Routine, Healthy vs. Junk, Recycling, and more. 10 levels per category, getting trickier as your child progresses. Earn 1 to 3 stars per level — fewer mistakes mean more stars. Stars unlock the next level, building a real sense of achievement. DAILY CHALLENGE A brand-new puzzle every day — the same one for every player around the world. Resets at midnight. Got pulled away? The progress and timer are saved, so kids can pick up right where they left off later in the day. LEARNING THE FUN WAY Match a picture with its word (cat ↔ CAT), a number with its name (2 ↔ TWO), a letter with its word (A ↔ apple), and more. Every match builds vocabulary, recognition, and visual memory. DESIGNED FOR LITTLE HANDS Big, tappable cards that scale to fit any iPhone or iPad. Soft, cheerful colours and rounded shapes. Sound toggle for quiet play. Built-in How to Play guide. PRIVACY-FRIENDLY No accounts, no ads, no third-party tracking. Progress is saved on the device. A perfect way for toddlers and preschoolers to learn while having fun.

Screenshots

Engineering Adventures3 screens
Preschool Memory Games4 screens

Verdict

The call

The clearest difference is rating: Preschool Memory Games at 5.0 against Engineering Adventures's 3.7. Preschool Memory Games also leads on update cadence (every 6 days vs every 7 months). Engineering Adventures's advantage is iOS requirement (8.0 vs 17.6). On price, ratings volume, 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

Preschool Memory Games holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

UpkeepUpdate frequency

Engineering Adventures ships an update every 7 months, Preschool Memory Games every 6 days. The most recent releases landed on September 29, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
Engineering Adventures versus Preschool Memory Games: the parameters behind the verdict, then further details
ParameterEngineering AdventuresPreschool Memory Games
PriceFreeFree
Rating3.7 (3 ratings)5.0 (2 ratings) — better
Positive reviews33.3% of reviews—
Number of ratings3 — better2
Update frequencyEvery 7 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad
Requires iOS8.0 — better17.6
Further details — not scored
Size159 MB14 MB
Age rating4+4+
DeveloperMuseum of ScienceHarini Gopalswamy

Customer experience

Engineering Adventures

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

Preschool Memory Games

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Engineering Adventures

No in-app purchases

None

Preschool Memory Games

No in-app purchases

Questions

Is Engineering Adventures free?
Engineering Adventures is free to download, with no in-app purchases.
Is Preschool Memory Games free?
Preschool Memory Games is free to download, with no in-app purchases.
Which has better reviews, Engineering Adventures or Preschool Memory Games?
Preschool Memory Games is rated higher. Engineering Adventures averages 3.7 out of 5 from 3 ratings, while Preschool Memory Games averages 5.0 from 2 ratings.
Do Engineering Adventures or Preschool Memory Games have ads?
Neither Engineering Adventures nor Preschool Memory Games shows ads.
Which is updated more often, Engineering Adventures or Preschool Memory Games?
Engineering Adventures ships an update every 7 months, and Preschool Memory Games every 6 days. Most recently, Engineering Adventures was updated on September 29, 2026 and Preschool Memory Games on October 7, 2026.

Other comparisons