Comparison

SmartLink Safety Signal vs WaySync

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

Head to head
About

SmartLink Safety Signal

Control Bluetooth-enabled traffic light signals with customizable patterns. Adjust light names, flash speeds, and pin settings for individual, flashing, random, or standard sequences.

Highlights
  • Bluetooth signal control
  • Customizable light patterns
  • Individual, flashing, random, standard modes
  • Edit light name
  • Adjust flash speed
  • Pin settings
Features
Read full description

This app allows control of Bluetooth signals purchased from TrafficLights.com. Select individual, flashing, random, or standard traffic light patterns. Edit light name, flash speed, and pin.

About

WaySync

This mobile tool diagnoses and evaluates traffic signal timing plans in real-time. It allows users to create virtual signal controllers on their devices that mimic field operations, helping to identify common issues with coordinated signals.

Highlights
  • Real-time Time-Space Diagram display
  • Real-time traffic signal timing on Map
  • Check bandwidth and attainability in TSD
  • Record GPS tracks and videos
  • Support optimization for non-common cycles
  • Develop virtual signal controllers
Features
Read full description

WaySync-M, which is the short for WaySync-Mobile, is a mobile tool for real-time diagnosis and performance evaluation of traffic signal timing plans. It enables users to develop virtual signal controllers on their mobile devices, which run the same timing plans as that running in the field. Together with its advanced features of geo-referencing and dynamic time-space diagram, it allows users to easily diagnose common issues with actuated coordinated signals, such as phase early return, transition, clock drifting, and erroneous offset inputs. It can be used as a supplemental tool for better timing coordinated traffic signals. Dynamic time-space diagram with Integrated vehicular trajectory for best diagnosis and performance evaluation of coordinated traffic signals. Key features: + Display real-time Time-Space Diagram (TSD) of the traffic signals + Display real-time traffic signal timing on Map + Check bandwidth and attainability when edit timing in TSD + Record GPS tracks and videos which can help engineers to improve traffic performance + Support optimization for non-common cycles * Wifi-only iPad cannot record GPS tracks without external GPS device.

Screenshots

SmartLink Safety Signal2 screens
WaySync4 screens

Verdict

The call

The clearest difference is in-app purchases: SmartLink Safety Signal at none against WaySync's 1. SmartLink Safety Signal also leads on iOS requirement (8.0 vs 13.0). WaySync's advantage is update cadence (every 2 weeks vs every 6 months) and ratings volume (11 vs 3). On price, rating, ads and monetization model 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. WaySync sells 1 one-off in-app purchase. SmartLink Safety Signal asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for SmartLink Safety Signal against 5.0 for WaySync. Both are backed by a comparable volume of ratings — 3 and 11 respectively.

UpkeepUpdate frequency

SmartLink Safety Signal ships an update every 6 months, WaySync every 2 weeks. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

Scorecard4 real differences · 6 level
SmartLink Safety Signal versus WaySync: the parameters behind the verdict, then further details
ParameterSmartLink Safety SignalWaySync
PriceFreeFree
Rating5.0 (3 ratings)5.0 (11 ratings)
Positive reviews100.0% of reviews—
Number of ratings311 — better
Update frequencyEvery 6 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better13.0
Further details — not scored
Size47 MB44 MB
Age rating4+4+
Developerbrian muellerTraffic Signal Coordination Technologies, Inc

Customer experience

SmartLink Safety Signal

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

WaySync

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

SmartLink Safety Signal

No in-app purchases

1 purchases

WaySync

One-time1
  • One month Pro WaySync-M$499.99

Questions

Is SmartLink Safety Signal free?
SmartLink Safety Signal is free to download, with no in-app purchases.
Is WaySync free?
WaySync is free to download, with in-app purchases available.
Which has better reviews, SmartLink Safety Signal or WaySync?
SmartLink Safety Signal and WaySync are both rated 5.0 out of 5 on the App Store, from 3 and 11 ratings respectively.
Do SmartLink Safety Signal or WaySync have ads?
Neither SmartLink Safety Signal nor WaySync shows ads.
Which is updated more often, SmartLink Safety Signal or WaySync?
SmartLink Safety Signal ships an update every 6 months, and WaySync every 2 weeks. Most recently, SmartLink Safety Signal was updated on October 24, 2026 and WaySync on October 18, 2026.

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