KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台: iPhone vs Android
KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台 gets 1k+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台 by Assetflow Co., Ltd. is on both the App Store and Google Play. Here are both versions together: downloads, users, revenue, ratings and chart positions, store by store with totals.
Rating
4.8 ★
7.1k ratings, both stores
Measured
Best rank now
#25
iPhone · 
Shopping Free
Shopping FreeMeasured
App Store
App details
App ID
6743390504
Publisher
Assetflow Co., Ltd.
Publisher country
合江街102巷18號4樓
On the store since
Apr 2025
1 year on the store
Minimum OS
iOS 15.6+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
1
ZH
Size
103 MB
Also listed in
Lifestyle
Google Play
App details
App ID
shop.koca.app
Publisher
艾斯特網路有限公司
Publisher country
合江街102巷18號4樓
Content rating
Teen
KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台 downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| iPhone | 1k+ | – |
| Google Play | 100+ | 50k+ Measured |
| Total | 1k+ Confidence | 50k+ Confidence |
How this is calculated
iPhone: chart positions and rating growth per country, anchored on its own Android downloads; lifetime from ratings worldwide × installs per rating. Google Play: the daily change in its exact install count. The total adds every store.
Where KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Both stores, across every country we track.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 4.8 ★ | 7.1k |
| Google Play | – | – |
| Both stores | 4.8 ★ weighted by ratings | 7.1k |
About KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台
KOCA：最好用的娛樂周邊、小卡交易平台
想收卡卻不知道去哪找？想出物卻擔心沒人看到？KOCA 幫你解決所有煩惱！我們整合分散在臉書社團的交易資訊，讓你一站式搜尋、買賣更輕鬆。無論你是要收卡、出物，還是單純想了解市場行情，KOCA 都是你的最佳選擇！
【K-POP 社團交易整合 】
Facebook 社團太多不好找？KOCA 匯集各大社團交易資訊，讓你不用加入一堆群組，就能一鍵切換藝人與角色，快速找到卡片與周邊！
【收藏冊圖鑑，一目了然！】
不知道某張小卡是在哪一輯、哪個版本？KOCA 內建小卡圖鑑，所有卡款及周邊資訊一應俱全，一鍵收藏想要及擁有的寶物，建立專屬電子收藏冊，還能直接看到正在出售該收藏品的賣家，收卡、收娃超方便！
【快速搜尋，出收物更精準】
在社團貼文裡大海撈針？KOCA 讓你直接輸入卡名、專輯、藝人關鍵字，一鍵搜尋所有符合的交易資訊，無論收卡或出物，都能更快找到對應需求，讓買賣更有效率！
【成交行情參考，買賣更安心！ 】
怕買貴或賣太低？KOCA 提供小卡的平均成交價格，讓你輕鬆掌握市場趨勢，交易不吃虧！
【運費超便宜，出貨更划算！ 】
買賣周邊最怕運費貴？KOCA 整合賣貨便，最低運費只要 38 元，比郵局寄件還便宜，讓你出清更無負擔！
【安全交易機制，杜絕詐騙！ 】
在 Facebook 私下交易風險大？KOCA 賣家皆經過實名驗證，確保交易更安全。如發現詐騙行為，帳號將立即停權，讓每一筆交易透明可信，買得安心，賣得放心！
想收卡卻不知道去哪找？想出物卻擔心沒人看到？KOCA 幫你解決所有煩惱！我們整合分散在臉書社團的交易資訊，讓你一站式搜尋、買賣更輕鬆。無論你是要收卡、出物，還是單純想了解市場行情，KOCA 都是你的最佳選擇！
【K-POP 社團交易整合 】
Facebook 社團太多不好找？KOCA 匯集各大社團交易資訊，讓你不用加入一堆群組，就能一鍵切換藝人與角色，快速找到卡片與周邊！
【收藏冊圖鑑，一目了然！】
不知道某張小卡是在哪一輯、哪個版本？KOCA 內建小卡圖鑑，所有卡款及周邊資訊一應俱全，一鍵收藏想要及擁有的寶物，建立專屬電子收藏冊，還能直接看到正在出售該收藏品的賣家，收卡、收娃超方便！
【快速搜尋，出收物更精準】
在社團貼文裡大海撈針？KOCA 讓你直接輸入卡名、專輯、藝人關鍵字，一鍵搜尋所有符合的交易資訊，無論收卡或出物，都能更快找到對應需求，讓買賣更有效率！
【成交行情參考，買賣更安心！ 】
怕買貴或賣太低？KOCA 提供小卡的平均成交價格，讓你輕鬆掌握市場趨勢，交易不吃虧！
【運費超便宜，出貨更划算！ 】
買賣周邊最怕運費貴？KOCA 整合賣貨便，最低運費只要 38 元，比郵局寄件還便宜，讓你出清更無負擔！
【安全交易機制，杜絕詐騙！ 】
在 Facebook 私下交易風險大？KOCA 賣家皆經過實名驗證，確保交易更安全。如發現詐騙行為，帳號將立即停權，讓每一筆交易透明可信，買得安心，賣得放心！
KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台 iPhone
KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台 gets 1k+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台 is #25 in Shopping Free in Taiwan and charting in 1 of 30 countries we track.
Updated 25 Oct 2026 · rankings refresh through the day
DeveloperAssetflow Co., Ltd.
CategoryShopping
PriceFree
Released
Rating★ 4.8 (7.1k)
Version7.74.0
Age rating4+
First seen by us 25 Sep 2026
25 Sep 2026Rating
4.8 ★
7.1k ratings
Measured
Best rank now
#25
Shopping FreeMeasured
KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台 on the App Store
App details
App ID
6743390504
Publisher
Assetflow Co., Ltd.
Publisher country
合江街102巷18號4樓
On the store since
Apr 2025
1 year on the store
Minimum OS
iOS 15.6+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
1
ZH
Size
103 MB
Also listed in
Lifestyle
KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台 downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Taiwan | ShoppingFree | #25 |
Apps near KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台 on the chart
Shopping Free, around #25.
Ratings
App Store, worldwide.
Rating
4.8 ★
7.1k ratings
Measured
Ratings
7.1k
Measured
About KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台
KOCA：最好用的娛樂周邊、小卡交易平台
想收卡卻不知道去哪找？想出物卻擔心沒人看到？KOCA 幫你解決所有煩惱！我們整合分散在臉書社團的交易資訊，讓你一站式搜尋、買賣更輕鬆。無論你是要收卡、出物，還是單純想了解市場行情，KOCA 都是你的最佳選擇！
【K-POP 社團交易整合 】
Facebook 社團太多不好找？KOCA 匯集各大社團交易資訊，讓你不用加入一堆群組，就能一鍵切換藝人與角色，快速找到卡片與周邊！
【收藏冊圖鑑，一目了然！】
不知道某張小卡是在哪一輯、哪個版本？KOCA 內建小卡圖鑑，所有卡款及周邊資訊一應俱全，一鍵收藏想要及擁有的寶物，建立專屬電子收藏冊，還能直接看到正在出售該收藏品的賣家，收卡、收娃超方便！
【快速搜尋，出收物更精準】
在社團貼文裡大海撈針？KOCA 讓你直接輸入卡名、專輯、藝人關鍵字，一鍵搜尋所有符合的交易資訊，無論收卡或出物，都能更快找到對應需求，讓買賣更有效率！
【成交行情參考，買賣更安心！ 】
怕買貴或賣太低？KOCA 提供小卡的平均成交價格，讓你輕鬆掌握市場趨勢，交易不吃虧！
【運費超便宜，出貨更划算！ 】
買賣周邊最怕運費貴？KOCA 整合賣貨便，最低運費只要 38 元，比郵局寄件還便宜，讓你出清更無負擔！
【安全交易機制，杜絕詐騙！ 】
在 Facebook 私下交易風險大？KOCA 賣家皆經過實名驗證，確保交易更安全。如發現詐騙行為，帳號將立即停權，讓每一筆交易透明可信，買得安心，賣得放心！
想收卡卻不知道去哪找？想出物卻擔心沒人看到？KOCA 幫你解決所有煩惱！我們整合分散在臉書社團的交易資訊，讓你一站式搜尋、買賣更輕鬆。無論你是要收卡、出物，還是單純想了解市場行情，KOCA 都是你的最佳選擇！
【K-POP 社團交易整合 】
Facebook 社團太多不好找？KOCA 匯集各大社團交易資訊，讓你不用加入一堆群組，就能一鍵切換藝人與角色，快速找到卡片與周邊！
【收藏冊圖鑑，一目了然！】
不知道某張小卡是在哪一輯、哪個版本？KOCA 內建小卡圖鑑，所有卡款及周邊資訊一應俱全，一鍵收藏想要及擁有的寶物，建立專屬電子收藏冊，還能直接看到正在出售該收藏品的賣家，收卡、收娃超方便！
【快速搜尋，出收物更精準】
在社團貼文裡大海撈針？KOCA 讓你直接輸入卡名、專輯、藝人關鍵字，一鍵搜尋所有符合的交易資訊，無論收卡或出物，都能更快找到對應需求，讓買賣更有效率！
【成交行情參考，買賣更安心！ 】
怕買貴或賣太低？KOCA 提供小卡的平均成交價格，讓你輕鬆掌握市場趨勢，交易不吃虧！
【運費超便宜，出貨更划算！ 】
買賣周邊最怕運費貴？KOCA 整合賣貨便，最低運費只要 38 元，比郵局寄件還便宜，讓你出清更無負擔！
【安全交易機制，杜絕詐騙！ 】
在 Facebook 私下交易風險大？KOCA 賣家皆經過實名驗證，確保交易更安全。如發現詐騙行為，帳號將立即停權，讓每一筆交易透明可信，買得安心，賣得放心！
Latest updates
7.74.0
- 競標出價時，確認視窗需要再輸入一次出價金額，避免手滑出錯價。
- 編輯圖鑑時，現在可以直接選擇所屬批次。
- 修正從已售出訂單發送群發訊息時，可能無法送出或發給錯誤商品買家的問題。
- 修正切換全家店到店貨到付款時，提示文字誤顯示為信用卡付款的問題。
7.72.0
- 現在原生支援 iPad，大螢幕瀏覽更舒適。
- 賣家現在可以對商品尚未出貨的買家發送群發聊天訊息。
- 賣家傳送聊天訊息與群發時，也能同步以簡訊通知買家。
- 賣家現在可以隨時關閉或重新開啟全家貨到付款。
- 新增陪審員身分，個人檔案會顯示專屬標章。
- 新增星系艦長身分，可以直接建立行星。
- 多次未付款逾時的買家將暫時停權，保障賣家權益。
- 修正複製的競標商品改為直購時內容消失、聊天訊息重送時重複，以及 iPad 圖鑑分頁與排版等問題。
7.70.0
- 賣家現在可以為每項商品設定包材費。
- 商品頁的選項若已售完，現在會排在最後面。
- 收件人手機與帳號手機不同時，需要輸入簡訊驗證碼確認。
- 賣家訂單與買家結帳頁新增個人資料告知說明。
- 修正選擇行星時換頁後搜尋關鍵字消失，以及評價訂單未顯示購買數量等問題。
Store changes
What KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台 changed on its store page: name, icon, screenshots, price, size, languages, requirements.
New iPad screenshots
New screenshots
7 screenshots (was 7)
App got smaller
126 MB → 103 MB (-18%)
KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台 Android
KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台 gets 1k+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台 is #25 in Shopping Free on Google Play in Taiwan and charting in 1 of 23 countries we track.
Updated 25 Oct 2026 · rankings refresh through the day
DeveloperAssetflow Co., Ltd.
CategoryShopping
PriceFree
Released
Installs50k+
Rating–
Updated
Content ratingTeen
Best rank now
#25
Shopping FreeMeasured
KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台 on Google Play
App details
App ID
shop.koca.app
Publisher
艾斯特網路有限公司
Publisher country
合江街102巷18號4樓
Content rating
Teen
KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台 downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Where KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Taiwan | ShoppingFree | #25 |
Apps near KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台 on the chart
Shopping Free, around #25.
About KOCA：最好用的Kpop小卡周邊、ACG收藏品交易平台
KOCA: The Ultimate Platform for Trading Entertainment Perks and Photo Cards
Want to collect cards but don't know where to find them? Want to sell something but worried no one will see it? KOCA solves all your worries! We've consolidated trading information from scattered Facebook groups, making it easy to search and buy and sell in one place. Whether you're looking to collect cards, sell something, or simply want to understand market trends, KOCA is your best choice!
[K-POP Group Trading Integration]
Got too many Facebook groups and struggling to find them? KOCA aggregates trading information from all major groups, allowing you to quickly find cards and merchandise by switching between artists and characters with a single click, eliminating the need to join numerous groups!
[Collection Book, Clear View]
Don't know which series or edition a photo card is from? KOCA has a built-in photo card book with information on all card models and merchandise. Collect the items you want and own with a single click, create your own digital collection, and directly see the sellers selling the items. Collecting cards and merchandise is super convenient!
[Quick Search, More Accurate Items for Buying and Selling]
Looking for a needle in a haystack of community posts? KOCA lets you enter keywords like card name, album, or artist to search for matching transactions with one click. Whether buying or selling, you can find what you need faster, making buying and selling more efficient!
[Market Price Reference, More Confidence]
Worried about overpaying or underselling? KOCA provides average transaction prices for collectibles, allowing you to easily grasp market trends and avoid losses.
[Super Cheap Shipping, More Cost-Effective Shipping]
Worried about expensive shipping for your merchandise? KOCA offers a convenient integrated selling service with shipping costs as low as NT$38, cheaper than postal delivery, making clearing your items hassle-free.
[Secure Transaction Mechanism, Scam-Free!]
Is private trading on Facebook risky? KOCA sellers undergo real-name verification to ensure safe transactions. If fraudulent activity is detected, the account will be immediately suspended, ensuring transparency and trust in every transaction. Buyers and sellers can be confident in their purchases!
Want to collect cards but don't know where to find them? Want to sell something but worried no one will see it? KOCA solves all your worries! We've consolidated trading information from scattered Facebook groups, making it easy to search and buy and sell in one place. Whether you're looking to collect cards, sell something, or simply want to understand market trends, KOCA is your best choice!
[K-POP Group Trading Integration]
Got too many Facebook groups and struggling to find them? KOCA aggregates trading information from all major groups, allowing you to quickly find cards and merchandise by switching between artists and characters with a single click, eliminating the need to join numerous groups!
[Collection Book, Clear View]
Don't know which series or edition a photo card is from? KOCA has a built-in photo card book with information on all card models and merchandise. Collect the items you want and own with a single click, create your own digital collection, and directly see the sellers selling the items. Collecting cards and merchandise is super convenient!
[Quick Search, More Accurate Items for Buying and Selling]
Looking for a needle in a haystack of community posts? KOCA lets you enter keywords like card name, album, or artist to search for matching transactions with one click. Whether buying or selling, you can find what you need faster, making buying and selling more efficient!
[Market Price Reference, More Confidence]
Worried about overpaying or underselling? KOCA provides average transaction prices for collectibles, allowing you to easily grasp market trends and avoid losses.
[Super Cheap Shipping, More Cost-Effective Shipping]
Worried about expensive shipping for your merchandise? KOCA offers a convenient integrated selling service with shipping costs as low as NT$38, cheaper than postal delivery, making clearing your items hassle-free.
[Secure Transaction Mechanism, Scam-Free!]
Is private trading on Facebook risky? KOCA sellers undergo real-name verification to ensure safe transactions. If fraudulent activity is detected, the account will be immediately suspended, ensuring transparency and trust in every transaction. Buyers and sellers can be confident in their purchases!
What's new in 7.74.0
- 競標出價時，確認視窗需要再輸入一次出價金額，避免手滑出錯價。
- 編輯圖鑑時，現在可以直接選擇所屬批次。
- 修正從已售出訂單發送群發訊息時，可能無法送出或發給錯誤商品買家的問題。
- 修正切換全家店到店貨到付款時，提示文字誤顯示為信用卡付款的問題。
- 編輯圖鑑時，現在可以直接選擇所屬批次。
- 修正從已售出訂單發送群發訊息時，可能無法送出或發給錯誤商品買家的問題。
- 修正切換全家店到店貨到付款時，提示文字誤顯示為信用卡付款的問題。