Comparison

MERCUSYS vs Cudy

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

Head to head
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

About

Cudy

Easily set up and manage your Cudy Wi-Fi routers, mesh systems, and range extenders from your mobile device. The app offers an intuitive interface for network status checks, personalized settings, and powerful device management features like internet pausing and parental controls.

Highlights
  • Quick router setup
  • Network status dashboard
  • Device management (pause internet, VPN)
  • WiFi and IPTV settings
  • Firmware updates
  • Parental controls
Features
Read full description

Cudy App provides the easiest way to access and manage Cudy Wi-Fi Router, Mesh Wi-Fi Router, or Range Extender through your mobile devices. From setup to device management, Cudy provides a simple and intuitive user interface to check the status of your networking devices and configure more personal settings for your network. Cudy App makes it easy for you to install your router and get quick access to your network information. Features include: 1, Easy and intuitive interface to quick setup the router in minutes. 2, Simple management dashboard to view the status of your network, notifications, and all the feature your router. 3, Powerful device management with options to pause internet or VPN access and set rate limits. 4, WiFi settings, IPTV settings, update firmware and much more. 5, Parental Controls allow you to set healthy internet schedules and content access for your family.

Screenshots

MERCUSYS4 screens
Cudy4 screens

Verdict

The call

The clearest difference is review sentiment: MERCUSYS at 89% against Cudy's 45%. MERCUSYS also leads on rating (4.8 vs 3.4) and ratings volume (761 vs 18). Cudy's advantage is in-app purchases (none vs 8). On price, ads, device support and iOS requirement 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. MERCUSYS sells 8 in-app purchases, starting at $3.49 per month. Cudy asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

MERCUSYS holds the better App Store score, 4.8 against 3.4. That said, the two scores are not equally well evidenced: MERCUSYS has 761 ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 89% of MERCUSYS's written reviews are positive against 45% of Cudy's.

UpkeepUpdate frequency

MERCUSYS ships an update every 3 weeks, Cudy every 2 months. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.

Scorecard6 real differences · 4 level
MERCUSYS versus Cudy: the parameters behind the verdict, then further details
ParameterMERCUSYSCudy
PriceFreeFree
Rating4.8 (761 ratings) — better3.4 (18 ratings)
Positive reviews89.1% of reviews — better45.1% of reviews
Number of ratings761 — better18
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.014.0
Further details — not scored
Size764 MB36 MB
Age rating4+4+
DeveloperMERCUSYS Technologies Co., Ltd.Shenzhen Cudy Technology Co.,Ltd.

Customer experience

MERCUSYS

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

Cudy

All ratings18 ratings
Positive61.1%
Neutral0.0%
Negative38.9%
Written reviews51 reviews
Positive45.1%
Neutral13.7%
Negative41.2%

User reviews

MERCUSYS

From 761 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

Cudy

From 18 App Store ratings

What we love

  • 👍 Easy to use and user friendly
  • 🚀 Works well and stable
  • ✅ Covers most needed features
  • 📱 Clear UI and features
  • ⚙️ VPN setup available

Room to improve

  • ❌ Remote access issues
  • 📉 Poor remote connection
  • 🔌 Equipment failure/no response
  • 🚫 App does not discover router
  • ❓ Missing essential settings

Bugs and requests

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

Cudy

Reported bugs

18 issues
  • Cannot access routers remotely
  • WiFi completely stopped working
  • No response from company for cancellation/refund
  • Cannot change Wake on LAN settings remotely
  • Cannot access routers via app
Show 13 more
  • Intermittent access
  • No SMS access for P4
  • Gaming latency issues
  • App cannot discover router
  • Internet speed meter is buggy
  • M1800 unit disconnects frequently
  • M3000 unit not turning on
  • Parental control/child protection ineffective
  • App does not work for M1800 (iOS)
  • Router not connecting to each other
  • App doesn't recognize own make wifi
  • RE1200 wifi extender issues (no 5GHz)
  • WiFi range reduced after update

Requested features

26 requests
  • Wake on LAN via mobile app
  • Assign IP address in DHCP server
  • Access Wake on LAN feature in app
  • Mac Binding/Reservations via app
  • SMS access for P4
Show 21 more
  • Manual IP address entry for connection
  • Custom DNS option
  • Gaming mode option
  • More firewall options (port management, protocol filters)
  • Real-time bandwidth check per client
  • Dark mode version
  • eSIM & eSIM transfer support
  • Set 2.4G or 5.0G preferences by device
  • Data usage by devices
  • QOS limit below 1 mbps
  • Device-specific bandwidth and limits
  • Control over all clients (mesh repeaters)
  • VPN settings and quick toggle
  • Signal strength display for all clients
  • Parental control and website blocking
  • Set age group for content filtering
  • Support chat, community, and email in app
  • Check for update option
  • More relevant information on dashboard
  • Tips and Help for users
  • QoS options

In-app purchases

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
None

Cudy

No in-app purchases

Questions

Is MERCUSYS free?
MERCUSYS is free to download, with in-app purchases available.
Is Cudy free?
Cudy is free to download, with no in-app purchases.
Which has better reviews, MERCUSYS or Cudy?
MERCUSYS is rated higher. MERCUSYS averages 4.8 out of 5 from 761 ratings, while Cudy averages 3.4 from 18 ratings.
Do MERCUSYS or Cudy have ads?
Neither MERCUSYS nor Cudy shows ads.
Which is updated more often, MERCUSYS or Cudy?
MERCUSYS ships an update every 3 weeks, and Cudy every 2 months. Most recently, MERCUSYS was updated on October 18, 2026 and Cudy on October 17, 2026.

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