Comparison

酷键盘 vs Calliope Sim

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

Head to head
About

酷键盘

Features
Read full description

“我不懂音乐,但我有一颗追寻音乐梦想的心” 酷系列致力于满足普通人玩音乐的梦想,自上线以来获得广大用户的喜爱,数次登上苹果官方音乐畅销榜单第一名。此次,酷系列产品迎来上线后首次全面升级,4.0版本以后更多功能,更有趣地玩音乐。 全新整合:1.钢琴、吉他、架子鼓、电吉他、贝斯快速切换,无需切换App。 2.购买内容、账号统一,通用所有酷系列产品。无论会员购买、歌曲解锁,全系列通用。 不变的精彩: ——真实乐器音色,逼真演奏体验。 ——庞大歌曲库,千首钢琴曲,从流行到古典,应有尽有。 ——上手简单,无需学习,就能弹奏歌曲。 ——弹歌送好友,为你的TA演奏情歌不再是梦想 ——与酷系列其他产品可通过WIFI、蓝牙组成乐队,,成为朋友聚会、年会活动人气明星 酷系列应用包括:《酷木吉他》、《酷电吉他》、《酷贝斯》、《酷键盘》、《酷架子鼓》。 欢迎加入我们的手机乐队QQ群: 94332970 新浪微博:@MEET-Studio 微信客服号:MEETStudio(yunchuangxin) 邮箱:support@meet-future.com

About

Calliope Sim

Experience the nostalgic charm of traditional fairgrounds and circuses with this realistic calliope simulator. It offers authentic sounds and advanced features like microtonal tuning and reverb for expressive musical performances. Record and share your creations easily.

Highlights
  • Authentic calliope sound sample
  • Microtonal tuning
  • Transpose adjustment
  • Reverb effects
  • Chorus mode
  • Dynamic key sensitivity
  • Built-in recorder
  • Shareable performances
Features
Read full description

Step into the whimsical world of traditional fairgrounds, circuses, and vintage steam organs with Calliope Sim! This app captures the nostalgic charm and high-quality sound of the calliope, offering a realistic and immersive experience for musicians, learners, and enthusiasts alike. Featuring a carefully sampled single calliope sound, Calliope Sim delivers a playful yet powerful playing experience. With advanced features like microtonal tuning, transpose adjustment, reverb effects, chorus mode, and dynamic key sensitivity, Calliope Sim puts vibrant, expressive music right at your fingertips. About the Calliope The calliope is a unique and cheerful instrument, originally used in steamboats and circuses to draw attention with its bright, piercing tones. Its sound is created by steam or compressed air pushing through tuned whistles, producing a lively and unmistakable voice. From carnival fanfares to vintage melodies, the calliope evokes a sense of celebration and nostalgia. Why You’ll Love Calliope Sim Authentic Calliope Sound Features a real calliope sound sample, capturing the brilliant and festive character of the instrument. Advanced Features for Enhanced Playability Microtonal Tuning: Explore alternative scales and musical traditions with precision pitch adjustments. Transpose Adjustment: Quickly shift keys to match other instruments or suit your vocal range. Reverb Effects: Add atmosphere and space to your performance with customizable reverb. Chorus Mode: Enrich your sound with layered harmonics, enhancing the calliope’s natural brightness. Dynamic Key Sensitivity: Play expressively—light touches create soft whistles, while firm presses produce bold, resonant tones. Customizable Interface Tailor the layout and sensitivity to your style. Whether you're recreating carnival music or composing whimsical soundscapes, Calliope Sim adapts to your creative needs. Record Your Performances Effortlessly capture your music with the built-in recorder—ideal for composing, practicing, or sharing. Share Your Music Easily share your calliope performances with friends, family, or audiences around the world. What Makes Calliope Sim Unique? Authentic Sound: Every note reflects the joyful, dynamic tones of a real calliope. Innovative Controls: Microtonal tuning, reverb, transpose, and dynamic key sensitivity provide full musical freedom. Elegant Design: A sleek and intuitive interface makes the app enjoyable and accessible for everyone. Creative Possibilities: Perfect for circus music, nostalgic themes, experimental tracks, or cinematic scores. Download Calliope Sim today and let the joyful sound of the calliope brighten your musical journey!

Screenshots

酷键盘4 screens
Calliope Sim4 screens

Verdict

The call

The clearest difference is rating: Calliope Sim at 5.0 against 酷键盘's 1.0. Calliope Sim also leads on ratings volume (4 vs 1). 酷键盘's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support 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. Calliope Sim sells 1 one-off in-app purchase. 酷键盘 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Calliope Sim holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

UpkeepUpdate frequency

酷键盘 ships an update every 5 weeks, Calliope Sim every 3 months. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
酷键盘 versus Calliope Sim: the parameters behind the verdict, then further details
Parameter酷键盘Calliope Sim
PriceFreeFree
Rating1.0 (1 ratings)5.0 (4 ratings) — better
Positive reviews43.2% of reviews—
Number of ratings14 — better
Update frequencyEvery 5 weeks — betterEvery 3 months
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better12.0
Further details — not scored
Size132 MB114 MB
Age rating4+4+
DeveloperMEET Studio CO.,LTD.Alper Kahriman

Customer experience

酷键盘

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews81 reviews
Positive43.2%
Neutral11.1%
Negative45.7%

Calliope Sim

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

酷键盘

Reported bugs

113 issues
  • Constantly displays cannot load
  • Does not work
  • Not compatible with iOS 8
  • Does not start up
  • Unlocks songs but cannot play them
Show 108 more
  • Needs to be deleted and re-downloaded to work
  • Freezes on the third song
  • Freezes constantly
  • Freezes after a couple of songs
  • Crashes after one song
  • Does not get past the first screen
  • Tries to sell gambling apps
  • Keeps crashing
  • Game keeps crashing
  • Slow to load songs
  • Some songs don't load at all
  • Program freezes
  • Keeps locking up and crashing
  • Sticks and shuts down
  • Freezing while it loads
  • Constant internet connection issues
  • VIP purchase charges money but gives no VIP status
  • Beats multiplier gets in the way
  • Detection system is not convenient
  • Cannot gain access to VIP through other apps
  • App closes immediately
  • QQ login stopped
  • Lost favorite tunes after update
  • Language changed to Chinese
  • No English option after update
  • Unusable due to language change
  • Previous versions were better
  • New version is disappointing
  • Paid for membership but cannot unlock songs
  • Needs to pay multiple times
  • Doesn't work
  • Incompatible with iPhone 3G
  • Doesn't work
  • App closes immediately
  • Doesn't start up
  • QQ login stopped
  • Not compatible with iOS 8
  • Unlocks songs but cannot play them
  • Needs to be deleted and re-downloaded to work
  • Freezes on the third song
  • Freezes constantly
  • Freezes after a couple of songs
  • Crashes after one song
  • Does not get past the first screen
  • Tries to sell gambling apps
  • Keeps crashing
  • Game keeps crashing
  • Slow to load songs
  • Some songs don't load at all
  • Program freezes
  • Keeps locking up and crashing
  • Sticks and shuts down
  • Freezing while it loads
  • Constant internet connection issues
  • VIP purchase charges money but gives no VIP status
  • Beats multiplier gets in the way
  • Detection system is not convenient
  • Cannot gain access to VIP through other apps
  • App closes immediately
  • QQ login stopped
  • Lost favorite tunes after update
  • Language changed to Chinese
  • No English option after update
  • Unusable due to language change
  • Previous versions were better
  • New version is disappointing
  • Paid for membership but cannot unlock songs
  • Needs to pay multiple times
  • Doesn't work
  • Incompatible with iPhone 3G
  • Doesn't work
  • App closes immediately
  • Doesn't start up
  • QQ login stopped
  • Not compatible with iOS 8
  • Unlocks songs but cannot play them
  • Needs to be deleted and re-downloaded to work
  • Freezes on the third song
  • Freezes constantly
  • Freezes after a couple of songs
  • Crashes after one song
  • Does not get past the first screen
  • Tries to sell gambling apps
  • Keeps crashing
  • Game keeps crashing
  • Slow to load songs
  • Some songs don't load at all
  • Program freezes
  • Keeps locking up and crashing
  • Sticks and shuts down
  • Freezing while it loads
  • Constant internet connection issues
  • VIP purchase charges money but gives no VIP status
  • Beats multiplier gets in the way
  • Detection system is not convenient
  • Cannot gain access to VIP through other apps
  • App closes immediately
  • QQ login stopped
  • Lost favorite tunes after update
  • Language changed to Chinese
  • No English option after update
  • Unusable due to language change
  • Previous versions were better
  • New version is disappointing
  • Paid for membership but cannot unlock songs
  • Needs to pay multiple times
  • Doesn't work
  • Incompatible with iPhone 3G

Requested features

24 requests
  • More songs
  • English version
  • Language option
  • Bring back English version
  • Add English language
Show 19 more
  • Bring back English translations
  • Add more songs
  • Add sheet music
  • Option to record
  • Fix crashing
  • Add more popular songs
  • Cheaper full version
  • Option to record while playing
  • Show notes on the app
  • More songs including Für Elise, Party Rock Anthem, and Chopsticks
  • Add more songs
  • Add more popular songs
  • Fix constant internet connection bug
  • Make it an offline game
  • Add on/off switch for beats multiplier
  • Add on/off switch for detection system
  • Improve detection system
  • Fix VIP purchase issues
  • Make full version cheaper

Calliope Sim

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

酷键盘

No in-app purchases

1 purchases

Calliope Sim

One-time1
  • Get Premium$7.99

Questions

Is 酷键盘 free?
酷键盘 is free to download, with no in-app purchases.
Is Calliope Sim free?
Calliope Sim is free to download, with in-app purchases available.
Which has better reviews, 酷键盘 or Calliope Sim?
Calliope Sim is rated higher. 酷键盘 averages 1.0 out of 5 from 1 ratings, while Calliope Sim averages 5.0 from 4 ratings.
Do 酷键盘 or Calliope Sim have ads?
Calliope Sim shows ads; 酷键盘 does not.
Which is updated more often, 酷键盘 or Calliope Sim?
酷键盘 ships an update every 5 weeks, and Calliope Sim every 3 months. Most recently, 酷键盘 was updated on October 31, 2026 and Calliope Sim on October 24, 2026.

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