Comparison

Stretch Robot vs Tappy Crab

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

Head to head
About

Stretch Robot

Control a robot with extendable arms to solve physics-based puzzles. Stretch, grab, and swing to overcome obstacles like spikes and gaps using smart thinking and elastic mechanics. Enjoy handcrafted levels with a casual pace, perfect for quick, engaging brain teasers.

Highlights
  • Physics-based puzzle gameplay
  • Stretch mechanics
  • Handcrafted levels
  • Logic challenges
  • Casual pace
  • Intuitive physics
Features
Read full description

Stretch your robot’s arms, grab objects, and solve clever physics-based puzzles. Every level challenges your logic, timing, and understanding of elastic mechanics. Simple controls, satisfying solutions, and a smooth difficulty curve. In Stretch Robot: Physics Puzzle, you control a small robot with extendable arms. Your goal is to stretch, grab, swing, and interact with the environment to overcome obstacles and reach the goal. Spikes, saws, gaps, and tricky layouts stand in your way — brute force won’t help, only smart thinking. The game is built around intuitive physics mechanics: elastic arms behave naturally, objects react realistically, and each puzzle has multiple possible approaches. Short levels make the game perfect for quick sessions, while increasing complexity keeps your brain engaged. Features: • Physics-based puzzle gameplay with stretch mechanics • Dozens of handcrafted levels with growing difficulty • Easy to learn, hard to master logic challenges • Casual pace with no timers or pressure • Clean visuals and smooth animations This is a casual puzzle game for players who enjoy thinking, experimenting, and finding elegant solutions. Stretch your limits, solve the puzzles, and help the robot reach its destination.

About

Tappy Crab

Tap the screen to guide a crab through an underwater obstacle course. Use bubbles for defense against ocean floor hazards. Enjoy this free-to-play casual arcade experience.

Highlights
  • Tap to change direction
  • Avoid ocean floor rocks
  • Use bubbles for defense
  • Free to play
  • Casual arcade gameplay
Features
Read full description

A fun, free to play game. Tap the screen to change the direction Crabby runs and help Crabby avoid the rocks on the ocean floor. Jump in a Bubble to defend Crabby from the rocks!

Screenshots

Stretch Robot4 screens
Tappy Crab3 screens

Verdict

The call

Stretch Robot and Tappy Crab both sit at 4.7 stars, but that hides the real split: 100% of Tappy Crab's written reviews are positive against 57% of Stretch Robot's. Tappy Crab also leads on ads (none vs shown) and update cadence (every 4 weeks vs every 4 months). Stretch Robot's advantage is ratings volume (124 vs 19). On price, rating, in-app purchases and monetization model 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. Stretch Robot sells 1 one-off in-app purchase and Tappy Crab sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Stretch Robot against 4.8 for Tappy Crab. That said, the two scores are not equally well evidenced: Stretch Robot has 124 ratings behind it against 19, so its average is the more settled of the two. Written reviews are what separate them: 57% of Stretch Robot's written reviews are positive against 100% of Tappy Crab's.

UpkeepUpdate frequency

Stretch Robot ships an update every 4 months, Tappy Crab every 4 weeks. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

Scorecard4 real differences · 6 level
Stretch Robot versus Tappy Crab: the parameters behind the verdict, then further details
ParameterStretch RobotTappy Crab
PriceFreeFree
Rating4.7 (124 ratings)4.8 (19 ratings) — better
Positive reviews57.1% of reviews100.0% of reviews — better
Number of ratings124 — better19
Update frequencyEvery 4 monthsEvery 4 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size185 MB202 MB
Age rating9+4+
DeveloperLunapp, TOODimitri Liapis

Customer experience

Stretch Robot

All ratings124 ratings
Positive94.4%
Neutral2.4%
Negative3.2%
Written reviews7 reviews
Positive57.1%
Neutral14.3%
Negative28.6%

Tappy Crab

All ratings19 ratings
Positive94.7%
Neutral0.0%
Negative5.3%
Written reviews11 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Stretch Robot

One-time1
  • Remove Ads$0.99
3 purchases

Tappy Crab

One-time3
  • 100 Coins$0.99
  • 500 Coins$4.99
  • 1000 Coins$9.99

Questions

Is Stretch Robot free?
Stretch Robot is free to download, with in-app purchases available.
Is Tappy Crab free?
Tappy Crab is free to download, with in-app purchases available.
Which has better reviews, Stretch Robot or Tappy Crab?
Tappy Crab is rated higher. Stretch Robot averages 4.7 out of 5 from 124 ratings, while Tappy Crab averages 4.8 from 19 ratings.
Do Stretch Robot or Tappy Crab have ads?
Stretch Robot shows ads; Tappy Crab does not.
Which is updated more often, Stretch Robot or Tappy Crab?
Stretch Robot ships an update every 4 months, and Tappy Crab every 4 weeks. Most recently, Stretch Robot was updated on October 11, 2026 and Tappy Crab on October 10, 2026.

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