# Decora Digital Dimmer & Timer vs ZSmart

The clearest difference is rating: ZSmart at 4.4 against Decora Digital Dimmer & Timer's 1.7. Decora Digital Dimmer & Timer's advantage is update cadence (every 3 months vs every 8 months) and review sentiment (10% vs 0%). On price, ratings volume, 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.

ZSmart holds the better App Store score, 4.4 against 1.7. Both are backed by a comparable volume of ratings — 174 and 118 respectively. Written reviews complicate that: 10% of Decora Digital Dimmer & Timer's written reviews are positive against 0% of ZSmart's, so the app with the better star average is not the one people write more warmly about.

Decora Digital Dimmer & Timer ships an update every 3 months, ZSmart every 8 months. Both last shipped on October 16, 2026.

## The numbers

| Metric | Decora Digital Dimmer & Timer | ZSmart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (174 ratings)](https://appshunter.io/ios/app/decora-digital-dimmer-and-timer/id969598018/reviews) | **[4.4 (118 ratings)](https://appshunter.io/ios/app/zsmart/id1484043889/reviews)** |
| Number of ratings | **174** | 118 |
| Positive reviews | **9.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | Free | Free |
| Size | 44 MB | 202 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Leviton Manufacturing Co. Inc.](https://appshunter.io/developer/877607790) | [ZKTeco Inc.](https://appshunter.io/developer/955313767) |

## What reviewers say

### Decora Digital Dimmer & Timer

[App page](https://appshunter.io/ios/app/decora-digital-dimmer-and-timer/id969598018)

Control your lights with Bluetooth. Adjust brightness, set timers, and schedule events for convenience and security. Features include smooth dimming control, energy saving modes, and automatic sunset/sunrise scheduling.

**Highlights:** Bluetooth light control, Adjustable dimming, On-screen dimming bar, Set internal timer, Schedule timed events, Energy saving mode, Sunset/sunrise scheduling

**In-app purchases:** none

**What reviewers like**

- 👍 Easy setup
- 🚀 Works flawlessly when connected
- ⏱️ Schedules lights to turn on/off as programmed

**What reviewers complain about**

- 🐛 Frequent disconnection issues
- 🔁 Schedules not reliably followed
- ⚠️ Buggy app updates break functionality
- 🔌 Switches stop working after power outages

**Reported bugs**

- App crashes during device scanning
- Switches unable to pair or reconnect
- Schedules not executing as programmed

**Requested features**

- Integrate with other smart home platforms
- Add offset option for sunrise/sunset schedules
- Improve app stability and reliability


### ZSmart

[App page](https://appshunter.io/ios/app/zsmart/id1484043889)

Control and manage your ZKTeco smart home devices from a single app. Monitor security cameras, locks, and alarms, and automate lighting and plugs with voice commands via compatible smart assistants.

**Highlights:** Remote lock and unlock management, Real-time security camera viewing, See and speak to visitors via video doorbell, Smart alarm system control, Adjustable smart bulb brightness and color, Automated smart plug scheduling, Voice control with Amazon Echo/Google Nest

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Decora Digital Dimmer & Timer free?

Decora Digital Dimmer & Timer is free to download, with no in-app purchases.

### Is ZSmart free?

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

### Which has better reviews, Decora Digital Dimmer & Timer or ZSmart?

ZSmart is rated higher. Decora Digital Dimmer & Timer averages 1.7 out of 5 from 174 ratings, while ZSmart averages 4.4 from 118 ratings.

### Do Decora Digital Dimmer & Timer or ZSmart have ads?

Neither Decora Digital Dimmer & Timer nor ZSmart shows ads.

### Which is updated more often, Decora Digital Dimmer & Timer or ZSmart?

Decora Digital Dimmer & Timer ships an update every 3 months, and ZSmart every 8 months. Most recently, Decora Digital Dimmer & Timer was updated on October 16, 2026 and ZSmart on October 16, 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.*