Comparison

MahJong vs BumperDucks

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

Head to head
About

MahJong

Experience an endless supply of unique tile arrangements for this classic Chinese game. Enjoy beautifully crafted 3D tiles and immersive music as you match pairs to clear the board.

Highlights
  • Infinite random tile arrangements
  • 10 unique tile and table sets
  • Hand-designed 3D tile art
  • Board rotation and zoom
  • Immersive soundtrack
  • Classic pair-matching gameplay
Features
Read full description

MahJong generates random tile arrangements that gives you infinite game possibilities for this Chinese-inspired favorite. Featuring 10 different tile and table sets, each tile is a delightful, hand-designed work of art, showcased in a 3D view with board rotation and zoom to capture every angle. Select and match pairs of open tiles to remove them from the board, exposing layers of tiles below for more matching. The goal is to match every pair to fully clear the board. Outstanding music completes the experience that will transport you eastward.

About

BumperDucks

Navigate rubber ducks across a pond, avoiding obstacles and collecting treats. This educational game teaches physics concepts like collisions and mass's impact on acceleration through interactive gameplay. Customize your duck and build your own levels.

Highlights
  • Teaches Newton's Laws of Motion
  • Explains object collisions and mass impact
  • Classroom or home use
  • Customizable duck costumes
  • Printable/savable duck designs
  • Sandbox mode for level creation
Features
Read full description

These ducks need your help! Help them reach tasty treats across the pond, but watch out for obstacles! Turtles, frogs, and logs will try and knock you off course. It isn’t easy, but pond friends are there to help! Think you’re up for the challenge? Download BumperDucks today! From the Smithsonian Science Education Center, BumperDucks is an educational physical science game that will help teach players about what happens when two objects collide and how mass impacts the acceleration of an object. FEATURES - Introduces players to concepts of Newton’s Three Laws of Motion - Players learn about what happens when two objects collide and how mass impacts acceleration by using rubber ducks and other fun objects - For use in the classroom or at home - Aligned to national science standards for middle school but great for players of any age - Audio and text interplay - Challenge levels allow players to predict how the duck will interact with objects - Players can collect duck costumes to customize their duck to encourage progress - Customized ducks can be printed or saved to device - Sandbox mode allows players to build their own levels to assess their knowledge or to just have fun

Screenshots

MahJong4 screens

Verdict

The call

MahJong and BumperDucks both sit at 2.9 stars, but that hides the real split: 36% of MahJong's written reviews are positive against 0% of BumperDucks's. MahJong also leads on ratings volume (22 vs 3) and device support (3 vs 1). BumperDucks's advantage is in-app purchases (none vs 3) and iOS requirement (5.1.1 vs 13.0). On price, rating, 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. MahJong sells 3 one-off in-app purchases. BumperDucks asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 2.9 for MahJong against 3.0 for BumperDucks. That said, the two scores are not equally well evidenced: MahJong has 22 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 36% of MahJong's written reviews are positive against 0% of BumperDucks's.

UpkeepUpdate frequency

MahJong ships an update every 3 months, BumperDucks every 2 months. The most recent releases landed on October 21, 2026 and October 16, 2026 respectively.

Scorecard6 real differences · 4 level
MahJong versus BumperDucks: the parameters behind the verdict, then further details
ParameterMahJongBumperDucks
PriceFreeFree
Rating2.9 (22 ratings)3.0 (3 ratings) — better
Positive reviews36.4% of reviews — better0.0% of reviews
Number of ratings22 — better3
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS13.05.1.1 — better
Further details — not scored
Size318 MB43 MB
Age rating4+4+
DeveloperbaKno GamesSmithsonian Institution

Customer experience

MahJong

All ratings22 ratings
Positive45.5%
Neutral9.1%
Negative45.5%
Written reviews22 reviews
Positive36.4%
Neutral22.7%
Negative40.9%

BumperDucks

All ratings3 ratings
Positive33.3%
Neutral33.3%
Negative33.3%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

3 purchases

MahJong

One-time3
  • MahJong 10 Game Sessions$0.99
  • MahJong Unlimited for One Month$1.99
  • MahJong Full Game Unlimited$24.99
None

BumperDucks

No in-app purchases

Questions

Is MahJong free?
MahJong is free to download, with in-app purchases available.
Is BumperDucks free?
BumperDucks is free to download, with no in-app purchases.
Which has better reviews, MahJong or BumperDucks?
BumperDucks is rated higher. MahJong averages 2.9 out of 5 from 22 ratings, while BumperDucks averages 3.0 from 3 ratings.
Do MahJong or BumperDucks have ads?
Neither MahJong nor BumperDucks shows ads.
Which is updated more often, MahJong or BumperDucks?
MahJong ships an update every 3 months, and BumperDucks every 2 months. Most recently, MahJong was updated on October 21, 2026 and BumperDucks on October 16, 2026.

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