Comparison

eWeLink vs MERCUSYS

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

Head to head
About

eWeLink

This app acts as a central hub for controlling a wide range of smart home devices from multiple brands. It allows for remote operation, scheduling, and integration with voice assistants like Alexa and Google Home, as well as IFTTT for advanced automation.

Highlights
  • Remote device control
  • Scheduling and timers
  • Smart scene creation
  • Voice assistant integration
  • Device sharing and grouping
  • LAN mode operation
Features
Read full description

One app, countless devices eWeLink is the app platform that supports multiple brands of smart devices including Sonoff. It enables connections between diversified smart hardware and integrates popular Smart Speakers such as Amazon Alexa, Google Home. Moreover, eWeLink works with IFTTT, serving as the ultimate home control center. Features Remote control, Schedule, Timer, Loop timer, Inching, Interlock, Smart Scene, Sharing, Grouping, LAN mode, etc. Compatible Devices Smart curtain, Door Locks, Wall Switch, Socket, Smart Light Bulb, RF Remote Controller, IoT Camera, Motion Sensor, etc. Using voice command Connect Google Home with Smart We Link. Connect Amazon Alexa with the “eWeLink Smart Home” skill. IFTTT, Do more with eWeLink such as “Track your eWeLink 1 channel switch usage on Google spreadsheet” or “Turn on/off your eWeLink 1 channel switch as you leave home” eWeLink works with everything Our team commits to fulfill the mission, that is, “eWeLink Support, Works with everything”. We spare every effort in expanding the list of eWeLink Support brands and products. eWeLink is also a full-fledged IoT Smart Home turnkey solution which includes WiFi/Zigbee/GSM/Bluetooth module and firmware, PCBA hardware, global IoT SaaS platform, and open API, etc. It enables brands launching their own smart devices at minimal time and cost. Keep in touch For technical support: support@ewelink.zendesk.com Our official website: http://www.ewelink.cc/en Get the latest news on Facebook: https://www.facebook.com/ewelink.support Auto-renewed eWeLink Advanced Plan --Advanced Benefits: all eWeLink advanced features: Web Version, Keyboard Shortcuts, Turning Phones into Cameras, Capacity Expansion, and more. --Billing Cycle: 1 Month (Subscribe Monthly for all advanced features), 12 Months (Subscribe Annually for all advanced features) --Subscription Fee: $1.9, per month with monthly billing; $9.9, per year with annual billing. --Payment: Payment will be charged to your iTunes account at confirmation of purchase. --Cancel the auto-renewal: You can manage your subscription and/or turn off auto-renewal by visiting your iTunes/Apple ID Account Settings at least 24-hour before the billing date. --Renew: Payment will be deducted automatically from your iTunes account within 24 hours before the billing date. After deducted successfully, your billing cycle will extend to the next billing date automatically. --Privacy Policy: https://appcms-src.coolkit.cn/ewelink/privacy-ewelink/9844.html --Agreement of Users: https://appcms-src.coolkit.cn/ewelink/user-agreement-ewelink/9847.html --Service Agreement of Memberships: https://appcms.coolkit.cn/ewelink/member-agreement-ewelink/member-agreement-ewelink-ios/11727.html --Auto-renewal Service Agreement https://appcms.coolkit.cn/ewelink/subscription-agreement-ewelink/subscription-agreement-ewelink-ios/11732.html

About

MERCUSYS

Easily set up and manage your mesh Wi-Fi system. The app guides you through installation, helps optimize unit placement for better coverage, and provides comprehensive control over your network. Enjoy faster, more reliable Wi-Fi throughout your home.

Highlights
  • Mesh Wi-Fi setup
  • Network management
  • Device connection monitoring
  • Guest network sharing
  • Website access restriction
  • Wi-Fi scheduling for devices
  • Device Wi-Fi priority control
Features
Read full description

To set up your Halo/Router network, simply plug one of your Halo/Router units into your modem and follow the instructions in the MERCUSYS app. The app also helps you find the best spots in your home to place additional Halo units. Once your Halo/Router network is up and running, you can enjoy faster, stronger Wi-Fi connections that won't drop out, even when you're moving from room to room. Plus, you can manage your entire Halo Whole Home Mesh Wi-Fi System right from the MERCUSYS app,including: - Sharing your guest network with visitors - Viewing which devices are connected to your Wi-Fi - Restricting access to websites of your choosing - Setting a time restriction and pause the Wi-Fi on kids' devices - Controlling when certain devices have Wi-Fi access - Picking which devices get Wi-Fi priority - Adding a family member as a network manager to help you monitor your network MERCUSYS App has met EAA requirements. View compatible list of MERCUSYS: https://www.mercusys.com/support/mercusys-app/#compatible-products Note: Please make sure you have updated to the latest firmware that supports MERCUSYS. Privacy Policy: https://www.mercusys.com/en/app/privacy#sec_a Terms of Service: https://www.mercusys.com/en/app/privacy#sec_b

Screenshots

eWeLink4 screens
MERCUSYS4 screens

Verdict

The call

The clearest difference is review sentiment: MERCUSYS at 89% against eWeLink's 28%. MERCUSYS also leads on rating (4.8 vs 2.7) and ratings volume (797 vs 72). 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. eWeLink sells 11 in-app purchases, starting at $1.99 per month and MERCUSYS sells 8 in-app purchases, starting at $3.49 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

MERCUSYS holds the better App Store score, 4.8 against 2.7. That said, the two scores are not equally well evidenced: MERCUSYS has 797 ratings behind it against 72, so its average is the more settled of the two. Written reviews point the same way: 28% of eWeLink's written reviews are positive against 89% of MERCUSYS's.

UpkeepUpdate frequency

eWeLink ships an update monthly, MERCUSYS every 3 weeks. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

Scorecard3 real differences · 7 level
eWeLink versus MERCUSYS: the parameters behind the verdict, then further details
ParametereWeLinkMERCUSYS
PriceFreeFree
Rating2.7 (72 ratings)4.8 (797 ratings) — better
Positive reviews27.5% of reviews89.1% of reviews — better
Number of ratings72797 — better
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod
Requires iOS13.0 — better14.0
Further details — not scored
Size274 MB764 MB
Age rating4+4+
DeveloperShenzhen CoolKit Technology Co., Ltd.MERCUSYS Technologies Co., Ltd.

Customer experience

eWeLink

All ratings64 ratings
Positive42.2%
Neutral0.0%
Negative57.8%
Written reviews1,711 reviews
Positive27.5%
Neutral12.3%
Negative60.1%

MERCUSYS

All ratings761 ratings
Positive96.5%
Neutral1.4%
Negative2.1%
Written reviews1,105 reviews
Positive89.1%
Neutral3.2%
Negative7.7%

User reviews

eWeLink

From 72 App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Quick response time
  • 💡 Integrates with Alexa and Google Home
  • 👍 Reliable performance
  • 👍 Flexible scheduling and automation

Room to improve

  • 🐛 Connectivity issues
  • 🐛 Pairing problems
  • 🐛 Frequent app crashes
  • 🐛 Unreliable device control
  • 🐛 Buggy firmware updates

MERCUSYS

From 797 App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Fast and reliable
  • 💡 Helpful app features
  • 🔒 Good security and parental controls
  • 🌐 Excellent WiFi coverage and connectivity

Room to improve

  • 🐛 Occasional app crashes or bugs
  • 🔌 Limited functionality in certain modes
  • 📱 App could use more customization options
  • 🔍 Difficulty identifying connected devices

Bugs and requests

eWeLink

Reported bugs

5 issues
  • Devices randomly going offline
  • Timers and schedules not working as expected
  • Inability to select Wi-Fi network during setup
  • App login issues and frequent sign-outs
  • Incompatibility with newer iOS versions

Requested features

5 requests
  • Add support for more smart home platforms
  • Improve device sharing and multi-user functionality
  • Provide more advanced automation and scheduling options
  • Add an offline mode for local device control
  • Improve app UI and UX for better usability

MERCUSYS

Reported bugs

3 issues
  • App sometimes fails to detect or connect to router
  • Inconsistent performance after firmware updates
  • Difficulty renaming or customizing mesh nodes

Requested features

4 requests
  • Add dark mode option
  • Improve device management and monitoring
  • Implement automatic network optimization
  • Provide more granular parental control settings

In-app purchases

11 purchases

eWeLink

Subscriptions11
  • 30-Day History(billed 1 month)1 Month trial2 variants$1.991 Month
  • Advanced Plan · Subscribe monthly$1.991 Month
  • 30-Day History(billed 1 month)1 Month trial10 variants$2.191 Month
Show 8 more
  • 摄像头云服务-月套餐1 Month trial$2.191 Month
  • Prime Plan · Subscribe monthly3 Days trial$3.991 Month
  • Advanced Plan · Annual subscription$9.991 Year
  • Prime Plan · Annual subscription1 Month trial$19.991 Year
  • 30-Day History(billed 1 year)3 Months trial5 variants$19.991 Year
  • 30-Day History(billed 1 year)1 Month trial$19.991 Year
  • 30-Day History (billed 1 year)1 Month trial5 variants$19.991 Year
  • 30-Days History(billed 1 year)1 Month trial$19.991 Year
8 purchases

MERCUSYS

Subscriptions8
  • Premium 1 Cam/month1 Month trial$3.491 Month
  • Premium 2 Cam/month1 Month trial$6.991 Month
  • Premium 3 Cam/month1 Month trial$10.491 Month
Show 5 more
  • Premium 10 Cam/month1 Month trial$11.991 Month
  • Premium 1 Cam/year1 Month trial$34.991 Year
  • Premium 2 Cam/year1 Month trial$69.991 Year
  • Premium 3 Cam/year1 Month trial$104.991 Year
  • Premium 10 Cam/year1 Month trial$119.991 Year

Questions

Is eWeLink free?
eWeLink is free to download, with in-app purchases available.
Is MERCUSYS free?
MERCUSYS is free to download, with in-app purchases available.
Which has better reviews, eWeLink or MERCUSYS?
MERCUSYS is rated higher. eWeLink averages 2.7 out of 5 from 72 ratings, while MERCUSYS averages 4.8 from 797 ratings.
Do eWeLink or MERCUSYS have ads?
Neither eWeLink nor MERCUSYS shows ads.
Which is updated more often, eWeLink or MERCUSYS?
eWeLink ships an update monthly, and MERCUSYS every 3 weeks. Most recently, eWeLink was updated on October 31, 2026 and MERCUSYS on October 29, 2026.

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