# Rezilio Alerts vs ZN

The clearest difference is update cadence: Rezilio Alerts at every 3 weeks against ZN's every 6 weeks. ZN's advantage is iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Rezilio Alerts ships an update every 3 weeks, ZN every 6 weeks. Both last shipped on October 27, 2026.

## The numbers

| Metric | Rezilio Alerts | ZN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/zn-light/id6478257824/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | — | Free |
| Size | 17 MB | 28 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rezilio Technologie inc.](https://appshunter.io/developer/1500906811) | [飞飞 杨](https://appshunter.io/developer/1732370303) |

## What reviewers say

### Rezilio Alerts

[App page](https://appshunter.io/ios/app/rezilio-alerts/id6449232712)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZN

[App page](https://appshunter.io/ios/app/zn-light/id6478257824)

Control your Bluetooth lights with this application. Adjust the switch, color, brightness, and various lighting modes for an enhanced ambiance.

**Highlights:** Bluetooth light control, Set light switch, Adjust color, Control brightness, Select lighting modes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rezilio Alerts free?

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

### Is ZN free?

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

### Do Rezilio Alerts or ZN have ads?

Neither Rezilio Alerts nor ZN shows ads.

### Which is updated more often, Rezilio Alerts or ZN?

Rezilio Alerts ships an update every 3 weeks, and ZN every 6 weeks. Most recently, Rezilio Alerts was updated on October 27, 2026 and ZN on October 27, 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.*