# SmartLink Safety Signal vs WaySync

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.

Both are free to download. WaySync sells 1 one-off in-app purchase. SmartLink Safety Signal asks for nothing beyond the download.

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.

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.

## The numbers

| Metric | SmartLink Safety Signal | WaySync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/smartlink-safety-signal/id1174670104/reviews) | [5.0 (11 ratings)](https://appshunter.io/ios/app/waysync-m/id1365233778/reviews) |
| Number of ratings | 3 | **11** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 47 MB | 44 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [brian mueller](https://appshunter.io/developer/1174670103) | [Traffic Signal Coordination Technologies, Inc](https://appshunter.io/developer/1685429655) |

## What reviewers say

### SmartLink Safety Signal

[App page](https://appshunter.io/ios/app/smartlink-safety-signal/id1174670104)

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:** macOS Compatibility

**In-app purchases:** none


### WaySync

[App page](https://appshunter.io/ios/app/waysync-m/id1365233778)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One month Pro WaySync-M | $499.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*