Comparison

美儿SMA vs 云外比邻岛

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

Head to head

About

美儿SMA

Features

Read full description

美儿SMA是一个整合式公益服务支持平台。可帮助您及时便捷地获取SMA（脊髓性肌萎缩症）疾病科普、患者诊治、日常管理等相关资讯及患者关爱与互动支持。

About

云外比邻岛

Features

Read full description

「云外比邻岛」是一款全球化的虚拟兴趣社交平台，致力于为用户与创作者搭建多元互动的数字空间。用户可以探索丰富的文娱内容、参与创作者发起的主题活动，并通过实时互动、内容订阅等方式建立深度连接；创作者则能借助平台精准传递个人品牌价值，与支持者共同打造优质内容生态。平台整合社交互动、内容共创等模块，结合独特的视觉设计，为用户提供沉浸式虚拟社区体验。

Screenshots

美儿SMA4 screens

云外比邻岛4 screens

Verdict

The call

The clearest difference is in-app purchases: 美儿SMA at none against 云外比邻岛's 8. 美儿SMA also leads on iOS requirement (11.0 vs 13.0). 云外比邻岛's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads 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. 云外比邻岛 sells 7 one-off in-app purchases. 美儿SMA asks for nothing beyond the download.

UpkeepUpdate frequency

美儿SMA ships an update every 2 months, 云外比邻岛 every 2 weeks. The most recent releases landed on September 15, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 3 level

美儿SMA versus 云外比邻岛: the parameters behind the verdict, then further details
Parameter	美儿SMA	云外比邻岛
Price	Free	Free
Update frequency	Every 2 months	Every 2 weeks — better
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	11.0 — better	13.0
Further details — not scored
Size	31 MB	131 MB
Age rating	17+	17+
Developer	Meier Advocacy & Support Center for SMA	Cloud Island (Chengdu) Internet Technology Co., Ltd