Comparison

MERCUSYS vs Wi

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

Wi

Diagnose your Wi-Fi network and enhance your online security. This tool offers one-tap checks for signal strength, speed, and latency, and helps detect hidden cameras and devices on your network for privacy protection.

Highlights
  • Wi-Fi signal strength check
  • Internet speed and latency test
  • Discover surrounding cameras
  • Find devices on network
  • Ping test for connectivity
Features
Read full description

The Wi-Fi Toolkit helps you diagnose your network for free. It aims to protect your privacy from being stolen when you use public Wi-Fi. • Check your Wi-Fi signal strength, network security, internet speed, and latency with one tap • Test your internet speed while playing a racing game • Discover surrounding cameras to protect your privacy • Find all devices in the same network • Test your ping to measure your connectivity to target services for a better network experience

Screenshots

MERCUSYS4 screens
Wi4 screens

Verdict

The call

The clearest difference is review sentiment: MERCUSYS at 89% against Wi's 23%. MERCUSYS also leads on rating (4.8 vs 3.6) and update cadence (every 3 weeks vs every 2 months). Wi's advantage is in-app purchases (none vs 8) and iOS requirement (11.0 vs 14.0). 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. MERCUSYS sells 8 in-app purchases, starting at $3.49 per month. Wi asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

MERCUSYS holds the better App Store score, 4.8 against 3.6. That said, the two scores are not equally well evidenced: MERCUSYS has 801 ratings behind it against 96, 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 23% of Wi's.

UpkeepUpdate frequency

MERCUSYS ships an update every 3 weeks, Wi every 2 months. Both last shipped on November 3, 2026.

Scorecard7 real differences · 3 level
MERCUSYS versus Wi: the parameters behind the verdict, then further details
ParameterMERCUSYSWi
PriceFreeFree
Rating4.8 (801 ratings) — better3.6 (96 ratings)
Positive reviews89.1% of reviews — better23.1% of reviews
Number of ratings801 — better96
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.011.0 — better
Further details — not scored
Size764 MB72 MB
Age rating4+4+
DeveloperMERCUSYS Technologies Co., Ltd.TP-Link Systems Inc.

Customer experience

MERCUSYS

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

Wi

All ratings93 ratings
Positive60.2%
Neutral7.5%
Negative32.3%
Written reviews39 reviews
Positive23.1%
Neutral7.7%
Negative69.2%

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

Wi

Not enough reviews yet to summarise bugs or requests.

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

Wi

No in-app purchases

Questions

Is MERCUSYS free?
MERCUSYS is free to download, with in-app purchases available.
Is Wi free?
Wi is free to download, with no in-app purchases.
Which has better reviews, MERCUSYS or Wi?
MERCUSYS is rated higher. MERCUSYS averages 4.8 out of 5 from 801 ratings, while Wi averages 3.6 from 96 ratings.
Do MERCUSYS or Wi have ads?
Neither MERCUSYS nor Wi shows ads.
Which is updated more often, MERCUSYS or Wi?
MERCUSYS ships an update every 3 weeks, and Wi every 2 months. Most recently, MERCUSYS was updated on November 3, 2026 and Wi on November 3, 2026.

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