Comparison

SUPERSTAR HIGHUP vs Rhythm K

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

Head to head
About

SUPERSTAR HIGHUP

Engage with your favorite K-pop group through a rhythm game. Collect cards, play their songs, and compete with fans worldwide. Unlock exclusive content and enjoy interactive features.

Highlights
  • Play STAYC's songs
  • Collect weekly updated theme cards
  • Compete in weekly leagues
  • Challenge world records
  • Unlock exclusive live themes
  • Experience artist voice combinations
Features
Read full description

"STAYC was only the beginning. Now UNCHILD enters the chat. Three years later, SUPERSTAR HIGH UP is back — and better than ever. One chance to lock in your superstar moment! The visuals hit different. The rhythm's unmatched. Dive in and secure your bias's theme." -------- [Un-Bound] A Whole New Superstar Era - "All your biases. One stage." - April 23 — STAYC and UNCHILD together for the first time. The Superstar universe just leveled up. [Un-Border] Your Bias, Your Way - "Your artist. Your style. No limits." - All-new customization events are coming. - Design your own card frames and craft an artist space that's completely yours. [Un-Limited] Limited Themes. Unlimited Want. - "If you know, you know. Only here." - Score exclusive theme cards you literally can't get anywhere else. Your collection deserves it. [Un-Locked] New Music. No Wait. - UNCHILD's freshest tracks are live — hit play and ride the rhythm from day one. --------------------- [Smartphone App Permissions Guide] The app requests the following permissions to provide its services. [Required Permissions] - Photos/Videos/Files: To save game data to storage - External Storage Read/Write: To store various game settings and cache music data - Phone: Required for ad tracking analytics and generating push notification tokens - Wi-Fi Connection Info: To check Wi-Fi connection and display a notification when downloading additional data - ID: Required for creating and verifying user accounts [Optional Permissions] Notifications: To receive informational and promotional push notifications from the app. * You can use the app without granting optional permissions. * Some features may not function properly if optional permissions are not granted. [How to Revoke Permissions] Go to Settings > Select the app to revoke permissions ※ If notes are not scrolling smoothly during gameplay, please check "Low Quality" under [Settings] > [Display Settings]. ※ SUPERSTAR HIGHUP is free to play, but charges may apply for certain in-app purchases. ---------------- SUPERSTAR HIGHUP Game Inquiries Link: https://superstarseries.zendesk.com/hc/en-us ----

About

Rhythm K

Immerse yourself in a vibrant K-Pop drum rhythm game. Customize your play style, complete missions, and unlock new songs as you master precise strikes and realistic drum hits. Create personalized playlists of your favorite K-Pop tracks.

Highlights
  • Customizable play UI
  • Mission and achievement system
  • Free playing environment
  • Precise note striking
  • Basic drum lessons
  • Realistic drum feel
  • Playlist creation
Read full description

**K-Pop drum rhythm game with colorful play UI! #Customize your own style! Choose the way you want to play through various play UIs. #Endless challenges! Feel a sense of accomplishment as you complete various missions and achievements. #Free playing environment! Freely change the position of your mobile drumset to create the optimal playing environment. **Enjoy drum rhythm games with K-Pop! #Precise strikes! Develop your rhythmic skills by hitting the falling notes accurately along the judgment line. #Basic drum lessons! Even if you're new to drumming, you can learn enough rhythm through basic lessons. #Realistic hits! Immerse yourself in the realistic feel of the drums as you play. #Leveling up is fun! Level up to unlock new songs, new missions, and even more colorful drumming. Before you know it, you'll be a K-Pop master. **Play in your own drum studio! #Customize your own playlists! Save your favorite K-Pop songs and create your own playlists with the rewards you earn in the rhythm game. Download "Feel the rhythm of K-Pop" right now, and dive deep into the world of K-Pop!

Screenshots

SUPERSTAR HIGHUP4 screens
Rhythm K4 screens

Verdict

The call

The clearest difference is iOS requirement: Rhythm K at 13.4 against SUPERSTAR HIGHUP's 15.0. On price, review sentiment, 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. SUPERSTAR HIGHUP sells 192 one-off in-app purchases and Rhythm K sells 11 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SUPERSTAR HIGHUP ships an update every 2 weeks, Rhythm K every 10 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard1 real difference · 9 level
SUPERSTAR HIGHUP versus Rhythm K: the parameters behind the verdict, then further details
ParameterSUPERSTAR HIGHUPRhythm K
PriceFreeFree
Rating4.9 (566 ratings) — better—
Positive reviews87.3% of reviews — better85.7% of reviews
Number of ratings566 — better—
Update frequencyEvery 2 weeksEvery 10 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.4 — better
Further details — not scored
Size472 MB214 MB
Age rating4+4+
DeveloperDalcomsoft, Inc.Penta Music Inc.

Customer experience

SUPERSTAR HIGHUP

All ratings556 ratings
Positive97.1%
Neutral0.9%
Negative2.0%
Written reviews110 reviews
Positive87.3%
Neutral6.4%
Negative6.4%

Rhythm K

Written reviews7 reviews
Positive85.7%
Neutral0.0%
Negative14.3%

Bugs and requests

SUPERSTAR HIGHUP

Reported bugs

2 issues
  • Login issues with Dalcom account
  • Challenges not counting properly

Requested features

2 requests
  • Superstar games for other K-pop groups (GIDLE, Dreamcatcher, etc.)
  • Full song versions instead of just verses

Rhythm K

Not enough reviews yet to summarise bugs or requests.

In-app purchases

192 purchases

SUPERSTAR HIGHUP

One-time192
  • First Step Package$0.99
  • INTRO Package$0.99
  • INTRO PACKAGE$0.99
Show 189 more
  • [SIEUN] Birthday A Grade Card$0.99
  • Surprise Diamond Box$1.99
  • Limited Theme Event Premium$1.99
  • 250501promotion1dayrandomdia$1.99
  • 250501promotion1dayrandombox$1.99
  • 250401somrandomboxrandombox$1.99
  • Christmas Gift Package Ⅰ$1.99
  • 241017dailyboost$1.99
  • 241017chain1$1.99
  • 241017dailycard$1.99
  • Chuseok Diamonds Lucky Box$1.99
  • Put Fillings in$1.99
  • Growth Support RP Package$2.99
  • 2023 Limited Theme Package$2.99
  • LIMITED UP BOX I$2.99
  • 241017dailylt$2.99
  • SSSC Package 76$2.99
  • Welcome Teddy Bear Package$2.99
  • Welcome TEENFRESH Package$2.99
  • Welcome STAYDOM Package$2.99
  • 39 Diamond$3.39
  • Decoration Special Package$3.49
  • Big Chocolate Box$3.99
  • BONUS Lucky Diamond Random Box$3.99
  • Limited Theme Event Prism Pack$3.99
  • ORIGINAL UP BOX I$3.99
  • Multi-up Card *2$3.99
  • sepsepcial$3.99
  • Limited Theme Premium Pack 10$4.99
  • First time! 124 Diamonds$4.99
  • 62 Diamond$5.29
  • SSSC Package 2$5.99
  • SSSC Package 6$5.99
  • 250417weeklyweekdaylimiteda$5.99
  • Multi-up Card *3$5.99
  • 247 Starter Package$6.99
  • Let it go Starter Package$6.99
  • Never easy Starter Package$6.99
  • Drive on Starter Package$6.99
  • blah blah Starter Package$6.99
  • my love Starter Package$6.99
  • Fell in love Starter Package$6.99
  • 250417returnltlimiteda$6.99
  • Twenty [EXTRA] Starter Package$6.99
  • BOY #3 Starter Package$6.99
  • 250417weeklyweekdayppackbundle$6.99
  • only one Starter Package$6.99
  • 250417stationarymultiup4$6.99
  • 250515newsstarter_a$6.99
  • 250508newsstarter$6.99
  • 250430newdotdotstarter$6.99
  • 250411birthdayyooncake$6.99
  • 250411birthdayyoonbox$6.99
  • 250417newmetamorphstarter$6.99
  • 250320artistmarchisa$6.99
  • 250403newsstarter$6.99
  • 250320news1starter$6.99
  • 250310birthdaysumincake$6.99
  • 250313newseejstarter$6.99
  • 250310birthdaysuminbox$6.99
  • 250306newdotdotstarter$6.99
  • teenfreshiffyyostarter$6.99
  • metamorphlalalastarter$6.99
  • dotdotwewerestarter$6.99
  • metamorphisaynadastarter$6.99
  • isacake$6.99
  • dotdotimcallingyoustarter$6.99
  • isabox$6.99
  • metamorphdoodoostarter$6.99
  • dotdotstarlightstarter$6.99
  • metamorphflexingstarter$6.99
  • weneedlittlebitstarter$6.99
  • jcake$6.99
  • jbox$6.99
  • teenfreshbemadinstarter$6.99
  • metamophmysweetstarter$6.99
  • teenfreshtakemyhandstarter$6.99
  • dotdotgummybearstarter$6.99
  • teenwepopstarter$6.99
  • dotdotbabyilovestarter$6.99
  • dotdotgptstarter$6.99
  • metamorphiminlovestarter$6.99
  • metamorphfallinlovestarter$6.99
  • Welcome Growth Pack$6.99
  • Welcome Currency Pack$6.99
  • metamophfindmestarter$6.99
  • Chuseok Yutnori Set$6.99
  • metmorphtrobulemstarter$6.99
  • seppremium$6.99
  • metamorphicfancycarstarter$6.99
  • metamorphicbeautybomstarter$6.99
  • SSSC Package 10$6.99
  • SSSC Birthday Package 2$6.99
  • BEAT MY LOVE Starter Package$7.49
  • 2 L0VE Starter Package$7.49
  • I LIKE IT [EXTRA] Starter Package$7.49
  • UNCHILD Starter Package$7.49
  • Decoration Weekly Package$7.49
  • Let it go Update Package$8.99
  • Drive on Update Package$8.99
  • blah blah Update Celebration$8.99
  • 250508newsupdate$8.99
  • 250430remetamorphupdate$8.99
  • 250306newdotdotupdate$8.99
  • dotdotgptupdate$8.99
  • metamorphfallinloveupdate$8.99
  • metamophfindmeupdate$8.99
  • metamorphicfancycarupdate$8.99
  • Saturday Package 2$8.99
  • SSSC Package 3$8.99
  • SSSC Package 7$8.99
  • Tuesday Package 1$8.99
  • FINALE Package$9.49
  • 120 Diamond$9.89
  • Let it go Profile Set$9.99
  • Christmas Power Up Package$9.99
  • megacurrency1$9.99
  • SSSC Package 47$9.99
  • SSSC Package 18$11.99
  • J Prism Package$11.99
  • SEEUN Prism Pack$11.99
  • 250313birthdaysuminprism$11.99
  • isaprism$11.99
  • jbirthdaycake$11.99
  • SSSC Package 28$11.99
  • SSSC Package 72$11.99
  • SSSC Package 70$11.99
  • Eclipse package$12.99
  • Limited Theme Premium Pack 30$12.99
  • Limited Theme Prism Pack 10$12.99
  • SSSC Premium Pass 8$12.99
  • SEEUN Raffle Package #1$13.99
  • SSSC Package 33$14.99
  • Merry Christmas Package$14.99
  • jbirthstone$14.99
  • SSSC Premium Pass 9$14.99
  • SSSC Premium Pass 6$14.99
  • SSSC Package 73$14.99
  • SSSC Package 34$17.99
  • SSSC Package 8$19.99
  • 247 Special Package$19.99
  • Let it go Special Package$19.99
  • Premium Pass$19.99
  • Never easy Special Package$19.99
  • Drive on Special Package$19.99
  • blah blah Special Package$19.99
  • Fell in love Special Package$19.99
  • 2 L0VE Special Package$19.99
  • SAME SAME [EXTRA] Special Package$19.99
  • I LIKE IT [EXTRA] Special Package$19.99
  • UNCHILD Special Package$19.99
  • ASAP [EXTRA] Special Package$19.99
  • BOY #3 Special Package$19.99
  • Boy #2 Special Package$19.99
  • 250515newsspecial_a$19.99
  • 250508newsspecial$19.99
  • 250320news1special$19.99
  • 250306newdotdotspecial$19.99
  • teenfreshiffyyospecial$19.99
  • dotdotwewerespecial$19.99
  • dotdotstarlightspecial$19.99
  • teenfreshbemadinlovespecial$19.99
  • currency1$19.99
  • metamophmysweetspecial$19.99
  • dotdotgummybearspecial$19.99
  • dotdotoriginalstarpass$19.99
  • dotdotbabyilovespecial$19.99
  • dotdotgptspecial$19.99
  • metamophfindmespecial$19.99
  • metmorphtrobulemspecial$19.99
  • metamorphicfancycarspecial$19.99
  • metamorphicbeautybomspecial$19.99
  • SSSC Package 12$19.99
  • SSSC Package 21$19.99
  • SSSC Package 48$19.99
  • SSSC Limited Theme Package 8$19.99
  • SSSC Package 4$19.99
  • Premium Pass$22.99
  • 1st Day Special Currency Package$22.99
  • sepcurrency$22.99
  • Premium Pass2 variants$23.49
  • 2401Dark Chocolate Package$24.99
  • 375 Diamond$29.49
  • Premium Pass2310$29.99
  • 23XMAS Premium Pass$29.99
  • Christmas Rudolph Package$29.99
  • 241017popup2$29.99
  • SSSC Package 46$29.99
  • SSSC Package 25$69.99
11 purchases

Rhythm K

One-time11
  • heart_15$0.99
  • Event-Pack$1.00
  • heart_30$1.99
Show 8 more
  • key_30$3.99
  • heart_60$4.99
  • key_50$7.99
  • heart_120$9.99
  • key_100$14.99
  • key_200$29.99
  • coin_5000$29.99
  • key_300$39.99

Questions

Is SUPERSTAR HIGHUP free?
SUPERSTAR HIGHUP is free to download, with in-app purchases available.
Is Rhythm K free?
Rhythm K is free to download, with in-app purchases available.
Do SUPERSTAR HIGHUP or Rhythm K have ads?
Both SUPERSTAR HIGHUP and Rhythm K show ads.
Which is updated more often, SUPERSTAR HIGHUP or Rhythm K?
SUPERSTAR HIGHUP ships an update every 2 weeks, and Rhythm K every 10 days. Most recently, SUPERSTAR HIGHUP was updated on November 3, 2026 and Rhythm K on October 30, 2026.

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