# SmartLink Safety Signal vs NiteApps

The clearest difference is review sentiment: SmartLink Safety Signal at 100% against NiteApps's 0%. SmartLink Safety Signal also leads on iOS requirement (8.0 vs 13.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SmartLink Safety Signal ships an update every 6 months, NiteApps every 4 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | SmartLink Safety Signal | NiteApps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/smartlink-safety-signal/id1174670104/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 47 MB | 24 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) | [奇勇 颜](https://appshunter.io/developer/1278807009) |

## 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


### NiteApps

[App page](https://appshunter.io/ios/app/niteapps/id1443251113)

Control the color and brightness of LED lights via Bluetooth. Customize display effects, set alarms, and schedule on/off times for your lighting devices.

**Highlights:** BLE Bluetooth control, Color and brightness adjustment, Customizable display effects, Combination modes, Bluetooth audio function, Alarm and timer settings

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SmartLink Safety Signal free?

SmartLink Safety Signal is free to download, with no in-app purchases.

### Is NiteApps free?

NiteApps is free to download, with no in-app purchases.

### Do SmartLink Safety Signal or NiteApps have ads?

Neither SmartLink Safety Signal nor NiteApps shows ads.

### Which is updated more often, SmartLink Safety Signal or NiteApps?

SmartLink Safety Signal ships an update every 6 months, and NiteApps every 4 months. Most recently, SmartLink Safety Signal was updated on November 2, 2026 and NiteApps on November 2, 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.*