Comparison

Robot Link vs J20

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

Head to head
About

Robot Link

Features
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[Map Building] After manually or automatically creating a map, advanced functions such as partitioning, merging, and splitting are available. [Scheduled Cleaning] Schedule a cleaning task; the robot will begin cleaning at the designated time and automatically return to its charging dock upon completion. [Resume Cleaning] When the battery is low, the robot automatically returns to its charging dock. Once recharged, it resumes cleaning from where it left off. [Virtual Walls and No-Go Zones] Set virtual walls and no-go zones; the robot will not cross these zones during cleaning.

About

J20

Features
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“J20”是一款专为J20清洁机器人产品设计的智能手机应用程序,本产品专为室内清洁需求设计,以其智能和高效,为游戏厅、餐厅和酒店客房等场所提供卓越的清洁解决方案。本产品应用全新激光导航技术、配备高性能清洁模块以及智能传感器,支持在复杂场景下为客户提供安全且实用的清洁服务。 通过此APP,您可以远程控制机器人,设置清洁计划,配置清洁模式及参数、监控清洁进度,于异常情况下接收响应通知。让我们的J20清洁机器人系统成为您清洁工作的得力助手,让您的环境始终保持最佳状态。立即下载应用,开启智能清洁新篇章。

Screenshots

Robot Link4 screens
J204 screens

Verdict

The call

The clearest difference is update cadence: J20 at every 3 days against Robot Link's every 11 days. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Robot Link ships an update every 11 days, J20 every 3 days. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

Scorecard1 real difference · 5 level
Robot Link versus J20: the parameters behind the verdict, then further details
ParameterRobot LinkJ20
PriceFreeFree
Update frequencyEvery 11 daysEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size49 MB59 MB
Age rating4+4+
DeveloperGuangzhou Yindong Technology Co., Ltd.南京辉煌智行科技有限公司

In-app purchases

None

Robot Link

No in-app purchases

None

J20

No in-app purchases

Questions

Is Robot Link free?
Robot Link is free to download, with no in-app purchases.
Is J20 free?
J20 is free to download, with no in-app purchases.
Do Robot Link or J20 have ads?
Neither Robot Link nor J20 shows ads.
Which is updated more often, Robot Link or J20?
Robot Link ships an update every 11 days, and J20 every 3 days. Most recently, Robot Link was updated on September 30, 2026 and J20 on October 7, 2026.

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