Comparison

Duet Game vs Star Grab

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

Head to head
About

Duet Game

Control two synchronized vessels, navigating a challenging and hypnotic trance. Survive against all odds through nine chapters of deceptive narrative and nerve-twisting gameplay. Unlock bonus content and perfect your movements for endless score-chasing delight.

Highlights
  • Control two synchronized vessels
  • Nine chapters of narrative gameplay
  • Bonus Survival chapter
  • Over 25 Game Center achievements
  • Eight new epilogue chapters
  • Air-tight controls
  • Hypnotic handcrafted soundtrack
Features
Read full description

Enter a mesmerising trance of co-dependence in Duet. The rules are simple: control two vessels in sync, survive against all odds and keep calm. Best, Most Elegant iPhone Games of the Year 2013 - The New Yorker Grand Prize Winner, Best Action, Best Audio - Intel Level Up Best Design, Best Audio - Australian Game Developer Awards Best Design - IGF China PAX 10 & PAX East Indie Showcase Selection Mobile Game of the Year 2013 - Kotaku 4.5/5 - Touch Arcade 4.5/5 - 148 Apps 4.5/5 - App Smile "...few other games are as fun when you succeed." -- The New Yorker "It feels as designed as a raindrop, and just as perfect." -- Ben Kuchera, Polygon "Duet does what the best video games do." -- Kotaku "Highly Recommended." -- Penny Arcade Report "Duet looks hard as nails. And I love it." -- Touch Arcade "Duet is a must-have." -- 148 Apps "Shiel's soundtrack ... is as innovative as the game it scores." -- Jake Cleland, The Vine "Your eyes, ears, and thumbs were built to perform this Duet together." -- Indie Games "...Duet's plaintive and melancholic aesthetic imbues it with a sense of the profound." -- CVG "But while the aesthetic of Duet is familiar, the gameplay is all new." -- Pocket Gamer "It is fantastic." -- Tim Rogers "Duet on iOS. Instant love. Instant." -- Mark Serrels Your survival is dependent on protecting two vessels - they are devices in sync, a dance and song between two entities tethered together in symbiosis. Feel edge of your seat terror where the world around you becomes quiet and numb as all that matters is the game living between your palms -- that is Duet. % NINE CHAPTERS Experience nine chapters of deceptive narrative and nerve-twisting gameplay. Unlock the bonus Survival chapter for endless score chasing delight. Replay any stage to perfect your movements and unlock over 25 Game Center achievements. This is a game that will test you. % EIGHT NEW EPILOGUE CHAPTERS Explore a whole new narrative with all-new game mechanics in our new “epilogue” to Duet. Including over 40 new stages, new narrative and new remix tracks. You will need a new state of mind to complete this experience. % PERFECT GAMEPLAY With air tight controls and gameplay that’s tuned to perfection Duet provides the perfect balance between challenge and pure gaming satisfaction. Touch either side of the screen to twist your vessels and avoid everything in your path. Remember: even that which begins simple can end complex. % HYPNOTIC AUDIO An outstanding handcrafted soundtrack by Melbourne composer and Gotye multi-instrumentalist Tim Shiel. Nine unique and mesmerizingly beautiful compositions ensure an immersive experience for you at every step of your journey, complemented by full in-game vocal narration by Jojo Petrina. % FULLY FEATURED - Full iCloud support - sync your progress across all your devices. - Universal App - play on your new iPhone, iPod touch, iPad and iPad mini. - Compete with Game Center on the leaderboards. % ABOUT KUMOBIUS Selected for the Indie Showcase at PAX Aus and a finalist in both Game Design and Audio for the Freeplay Festival. This is another award-winning title from the team behind Time Surfer & Bean’s Quest. We call Duet a “Hex-like” in honour of Terry Cavanagh’s contribution to the medium of games and exploration of genres. % ABOUT TIM SHIEL Tim Shiel is a composer/producer based in Melbourne. Tim is known to some as Faux Pas, the moniker under which he released a steady stream of constantly shifting electronic music for many years. He is also known for his work as a broadcaster at Melbourne independent radio station 3RRR FM, and for his recent role as multi-instrumentalist in Gotye's live band. % SUPPORT Say hello@kumobius.com we’d love to hear from you! And follow us on Twitter: @kumobius

About

Star Grab

A fast-paced game where you must quickly identify and tap objects matching a given description. Avoid incorrect taps to maintain your score. Features multiple difficulty levels and an asteroid-dodging mini-game.

Highlights
  • Multiple difficulty levels
  • Score multiplier
  • Object matching gameplay
  • Avoid incorrect taps
  • Asteroid dodging mini-game
Features
Read full description

Select from 4 different difficulty parameters to have the game change from stupidly easy to impossibly hard. As the difficulty increases, so does your score multiplier! Touch the objects that match the description at the start of the game. Don't touch incorrect objects or your score will drop. If you fail to grab an object that matches the description, you lose. Also check out the asteroid dodging mini game Collision Course.

Screenshots

Duet Game4 screens
Star Grab4 screens

Verdict

The call

The clearest difference is price: Star Grab at Free against Duet Game's $2.99. Star Grab also leads on in-app purchases (none vs 2). Duet Game's advantage is update cadence (every 3 months vs every 18 months) and ratings volume (2.1K vs 3). On rating, ads, device support and iOS requirement 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

Star Grab is free to download; Duet Game costs $2.99 up front. Duet Game sells 2 one-off in-app purchases. Star Grab asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Duet Game against 5.0 for Star Grab. That said, the two scores are not equally well evidenced: Duet Game has 2.1K ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

Duet Game ships an update every 3 months, Star Grab every 18 months. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
Duet Game versus Star Grab: the parameters behind the verdict, then further details
ParameterDuet GameStar Grab
Price$2.99Free — better
Rating4.9 (2.1K ratings)5.0 (3 ratings) — better
Positive reviews96.9% of reviews—
Number of ratings2.1K — better3
Update frequencyEvery 3 months — betterEvery 18 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Apple TV — betteriPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size111 MB55 MB
Age rating4+4+
DeveloperKumobiusDavid Nestingen-Palm

Customer experience

Duet Game

All ratings2,039 ratings
Positive97.4%
Neutral1.1%
Negative1.5%
Written reviews1,858 reviews
Positive96.9%
Neutral1.3%
Negative1.8%

Star Grab

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Duet Game

Reported bugs

2 issues
  • Inconsistent save point tracking
  • Unresponsive controls in later levels

Requested features

4 requests
  • More levels and challenges
  • Level editor to create custom stages
  • Ability to adjust gameplay speed
  • Randomized obstacle patterns

Star Grab

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Duet Game

One-time2
  • Encore Chapters$0.99
  • Soliloquy Chapters$0.99
None

Star Grab

No in-app purchases

Questions

Is Duet Game free?
Duet Game costs $2.99, and also offers in-app purchases.
Is Star Grab free?
Star Grab is free to download, with no in-app purchases.
Which has better reviews, Duet Game or Star Grab?
Star Grab is rated higher. Duet Game averages 4.9 out of 5 from 2.1K ratings, while Star Grab averages 5.0 from 3 ratings.
Do Duet Game or Star Grab have ads?
Neither Duet Game nor Star Grab shows ads.
Which is updated more often, Duet Game or Star Grab?
Duet Game ships an update every 3 months, and Star Grab every 18 months. Most recently, Duet Game was updated on November 5, 2026 and Star Grab on November 3, 2026.

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