Comparison

Portal vs Stretch Robot

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

Head to head
About

Portal

Engage in a physics-based puzzle adventure across numerous test chambers. Each level presents unique objectives to challenge your problem-solving skills in this addictive game.

Highlights
  • Physics-based gameplay
  • Multiple test chambers
  • Varied level objectives
  • Addictive puzzle solving
Features
Read full description

Loosely base on the game Portal by Valve, this fun and addicting physics game takes you through many levels of test chambers, each with a different objective.

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.

Screenshots

Portal4 screens
Stretch Robot4 screens

Verdict

The call

The clearest difference is rating: Stretch Robot at 4.7 against Portal's 3.9. Portal's advantage is ads (none vs shown) and update cadence (monthly vs every 4 months). On price, review sentiment, ratings volume 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. Portal sells 4 one-off in-app purchases and Stretch Robot sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Stretch Robot holds the better App Store score, 4.7 against 3.9. Both are backed by a comparable volume of ratings — 50 and 125 respectively. Written reviews point the same way: 55% of Portal's written reviews are positive against 57% of Stretch Robot's.

UpkeepUpdate frequency

Portal ships an update monthly, Stretch Robot every 4 months. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

Scorecard4 real differences · 6 level
Portal versus Stretch Robot: the parameters behind the verdict, then further details
ParameterPortalStretch Robot
PriceFreeFree
Rating3.9 (50 ratings)4.7 (125 ratings) — better
Positive reviews54.7% of reviews57.1% of reviews — better
Number of ratings50125 — better
Update frequencyMonthly — betterEvery 4 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.0
Further details — not scored
Size24 MB185 MB
Age rating4+9+
DeveloperCharles YoungerTOO LUNAPP

Customer experience

Portal

All ratings50 ratings
Positive72.0%
Neutral8.0%
Negative20.0%
Written reviews53 reviews
Positive54.7%
Neutral3.8%
Negative41.5%

Stretch Robot

All ratings125 ratings
Positive94.4%
Neutral2.4%
Negative3.2%
Written reviews7 reviews
Positive57.1%
Neutral14.3%
Negative28.6%

Bugs and requests

Portal

Reported bugs

9 issues
  • Platform moves with button click
  • Seesaw puzzle impossible
  • Companion cube moves with platform
  • Blue portal not movable
  • Game won't open level one
Show 4 more
  • Can't click on levels
  • Doesn't display correctly on iPhone 4
  • Stuck on scene 2 level 13
  • Some buttons don't work

Requested features

6 requests
  • Add Portal music
  • Animate thrown objects
  • Thin the turret
  • Update the game
  • Allow turning iPhone to control ball
Show 1 more
  • Add actual Portal button sound

Stretch Robot

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Portal

One-time4
  • Tip the Developer - Small Tip$0.99
  • Tip the Developer - Nice Tip!$1.99
  • Tip the Developer - Generous Tip!$4.99
Show 1 more
  • Tip the Developer - Amazing Tip!$9.99
1 purchases

Stretch Robot

One-time1
  • Remove Ads$0.99

Questions

Is Portal free?
Portal is free to download, with in-app purchases available.
Is Stretch Robot free?
Stretch Robot is free to download, with in-app purchases available.
Which has better reviews, Portal or Stretch Robot?
Stretch Robot is rated higher. Portal averages 3.9 out of 5 from 50 ratings, while Stretch Robot averages 4.7 from 125 ratings.
Do Portal or Stretch Robot have ads?
Stretch Robot shows ads; Portal does not.
Which is updated more often, Portal or Stretch Robot?
Portal ships an update monthly, and Stretch Robot every 4 months. Most recently, Portal was updated on November 6, 2026 and Stretch Robot on November 8, 2026.

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