Comparison

합주하자 vs RETRIP

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

Head to head
About

합주하자

Find compatible musicians and form bands with a personalized matching algorithm. Schedule practice sessions, discover lessons, and enhance your musical journey with this dedicated community platform.

Highlights
  • Musician matching algorithm
  • Team management
  • Practice room booking
  • Lesson information
  • Community platform
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음악을 사랑하는 음악인들을 위한 전용 플랫폼, '합주하자'! 나와 맞는 음악인을 찾아드립니다. 자신의 음악 취향과 레벨에 따라 최적의 팀을 찾을 수 있습니다. 합주하자만의 맞춤 매칭 알고리즘을 통해 최적의 음악 파트너를 소개해주며, 팀원들을 관리하고 협력할 수 있는 기능도 제공합니다. 또한, 연습실 예약 시스템을 통해 팀원들과 함께 연습할 수 있는 시간을 예약하기는 물론, 개별 레슨 정보도 한눈에 확인할 수 있어 음악적 능력을 향상시킬 수 있습니다. 더 이상 혼자 연습하거나 찾아다니지 않아도 됩니다. 음악을 즐기며 성장할 수 있는 환경을 '합주하자'에서 경험해보세요!

About

RETRIP

Features
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RETRIP: Where Your Journey Becomes a Melody | "The fragments of your travel tucked away in your gallery, reborn as one-of-a-kind AI-generated music." The trip may be over, but the atmosphere, sounds, and emotions of that day stay with us. Yet, revisiting precious memories buried under thousands of photos isn't always easy. RETRIP analyzes your cherished travel photos and creates a personalized "AI Music Album" that perfectly captures the vibe of your journey. ● Key Features 1. AI Composition Starting with a Single Photo - Sentiment Analysis: Our AI analyzes the colors, landscapes, and people in your uploaded photos to suggest the most fitting musical style. - Lyrics & Melody: It writes lyrics that match the day's mood and generates a completely original track. - Custom Album Covers: Your music and photos combine into a sophisticated digital LP-style album. 2. Effortless Recording, Deep Emotional Impact - Easy Writing: No need for long diary entries. With just a short note, the AI weaves your story into the music. - Intuitive Feed: Enjoy your music albums at a glance through an aesthetic feed. Access detailed records of that day with a single tap. 3. A Warm, User-Centric Interface - Seamless Experience: Don’t worry about unstable networks. RETRIP’s smart error-handling system safely protects your data and assists with retries. - Clean Community: Inappropriate content is managed instantly through detailed reporting features, keeping the space for your memories pristine. ● Why RETRIP? - Archiving Shouldn’t Be "Work": We help you record memories simply and enjoy them joyfully. - Emotional Interpretation of AI: Experience AI composition technology that goes beyond simple data to understand the "context" of your memories. ● Recommended For: -Those with many travel photos but who find it tedious to look back through them. -Those who want to record their travels in a unique way, different from everyone else. -Those who want to preserve the emotions of their journey through the soulful medium of their own music.

Screenshots

합주하자4 screens
RETRIP4 screens

Verdict

The call

합주하자 and RETRIP are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

합주하자 ships an update every 2 weeks, RETRIP every 10 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

ScorecardNo meaningful differences
합주하자 versus RETRIP: the parameters behind the verdict, then further details
Parameter합주하자RETRIP
PriceFreeFree
Positive reviews33.3% of reviews—
Update frequencyEvery 2 weeksEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.617.0 — better
Further details — not scored
Size87 MB30 MB
Age rating4+12+
DeveloperKyungwon YoonYonghun Choi

In-app purchases

None

합주하자

No in-app purchases

None

RETRIP

No in-app purchases

Questions

Is 합주하자 free?
합주하자 is free to download, with no in-app purchases.
Is RETRIP free?
RETRIP is free to download, with no in-app purchases.
Do 합주하자 or RETRIP have ads?
Neither 합주하자 nor RETRIP shows ads.
Which is updated more often, 합주하자 or RETRIP?
합주하자 ships an update every 2 weeks, and RETRIP every 10 days. Most recently, 합주하자 was updated on October 30, 2026 and RETRIP on November 5, 2026.

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