Robot Merge vs Stretch Robot
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Robot Merge
Merge identical robots to discover and collect 60 unique machines. Upgrade your buildings, earn coins, and expand your robot empire in this addictive collection game.
- Merge identical robots
- Discover 60 unique machines
- Upgrade buildings
- Earn coins
- Expand your world
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Build Your Robot Empire! Drag identical robots together to discover 60 unique machines and upgrade your buildings in this highly addictive game! Earns coins and expand your world!
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.
- Physics-based puzzle gameplay
- Stretch mechanics
- Handcrafted levels
- Logic challenges
- Casual pace
- Intuitive physics
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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
Verdict
The clearest difference is ads: Robot Merge at none against Stretch Robot's shown. Robot Merge also leads on update cadence (every 4 days vs every 4 months) and review sentiment (80% vs 57%). 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
Both are free to download. Robot Merge 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.
On the App Store both sit at effectively the same score — 4.8 for Robot Merge against 4.7 for Stretch Robot. That said, the two scores are not equally well evidenced: Robot Merge has 3.1K ratings behind it against 124, so its average is the more settled of the two. Written reviews are what separate them: 80% of Robot Merge's written reviews are positive against 57% of Stretch Robot's.
Robot Merge ships an update every 4 days, Stretch Robot every 4 months. The most recent releases landed on October 19, 2026 and October 11, 2026 respectively.
| Parameter | Robot Merge | Stretch Robot |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (3.1K ratings) — better | 4.7 (124 ratings) |
| Positive reviews | 80.4% of reviews — better | 57.1% of reviews |
| Number of ratings | 3.1K — better | 124 |
| Update frequency | Every 4 days — better | Every 4 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 196 MB | 185 MB |
| Age rating | 4+ | 9+ |
| Developer | Umbrella Games LLC | Lunapp, TOO |
Customer experience
Robot Merge
Stretch Robot
Bugs and requests
Robot Merge
Reported bugs
5 issues- Lucky merges have stopped working
- Glitch where it chips gems when upgrading robots
- App freezing issues
- Incompatible with older devices
- Login screen freezes
Requested features
5 requests- More robots and other stages or worlds
- Leaderboard
- Auto assign robots to mines/buildings
- Dark mode option
- Advanced analytics dashboard
Stretch Robot
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Robot Merge
- Budget Pack$1.99
- Crate Of Gems$4.99
- Shipment Of Gems$9.99
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- Mountain Of Gems$29.99
Stretch Robot
- Remove Ads$0.99
Questions
Is Robot Merge free?
Is Stretch Robot free?
Which has better reviews, Robot Merge or Stretch Robot?
Do Robot Merge or Stretch Robot have ads?
Which is updated more often, Robot Merge or Stretch Robot?
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