Comparison

Zentropy vs 루미 LUMI

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

Head to head

About

Zentropy

Features

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젠트로피 모터사이클 & 에너지 네트워크 젠트로피와 함께 전기 모터사이클을 타고 거리를 누려보세요. 내 주변 배터리 스테이션을 찾아 쉽고 빠르게 배터리를 교체해보세요.

About

루미 LUMI

This app allows users to earn money by replacing batteries for electric kickboards and bicycles. It provides a map to locate stations and devices, guides for beginners, and a system for managing battery swaps and earnings.

Highlights

Locate stations and PM devices on a map
Beginner-friendly work guides
Acquire and return batteries for tasks
Swap batteries for PM devices to earn
Transparent earnings and settlement management

Features

Read full description

처음으로 선보이는 업무는 바로 전동 킥보드·자전거 배터리 교체입니다.  누구나 쉽게 시작할 수 있어요. [주요 기능] 1. 지도 홈  - 스테이션과 PM기기 위치를 찾을 수 있어요. - 상단의 업무가이드가 있어 초보자도 할 수 있어요. 2. 배터리 인수/반납 기능 - 업무에 필요한 배터리를 인수/반납할 수 있어요. - 배터리 반납을 완료해야 정산 내역에 수익이 반영됩니다. 3. PM배터리 교체 기능 - 충전이 필요한 PM기기의 배터리를 교체하면 수익이 쌓여요. 4. 정산관리  - 투명한 정산 시스템으로 수익을 관리해드려요.

Screenshots

Zentropy4 screens

루미 LUMI4 screens

Verdict

The call

The clearest difference is iOS requirement: Zentropy at 13.2 against 루미 LUMI's 15.1. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

Scorecard1 real difference · 7 level

Zentropy versus 루미 LUMI: the parameters behind the verdict, then further details
Parameter	Zentropy	루미 LUMI
Price	Free	Free
Positive reviews	—	75.0% of reviews
Update frequency	Every 2 months	Every 2 months
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	13.2 — better	15.1
Further details — not scored
Size	41 MB	60 MB
Age rating	4+	4+
Developer	ZENTROPY Co., Ltd.	G.bike

In-app purchases

None

Zentropy

No in-app purchases

None

루미 LUMI

No in-app purchases

Questions

Is Zentropy free?

Zentropy is free to download, with no in-app purchases.

Is 루미 LUMI free?

루미 LUMI is free to download, with no in-app purchases.

Do Zentropy or 루미 LUMI have ads?

Neither Zentropy nor 루미 LUMI shows ads.

Which is updated more often, Zentropy or 루미 LUMI?

Zentropy ships an update every 2 months, and 루미 LUMI every 2 months. Most recently, Zentropy was updated on October 8, 2026 and 루미 LUMI on October 5, 2026.