# D vs Atomi Smart

The clearest difference is rating: Atomi Smart at 4.8 against D's 3.0. Atomi Smart also leads on ratings volume (20K vs 5). D's advantage is update cadence (fortnightly vs every 3 months) and iOS requirement (8.0 vs 14.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Atomi Smart holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Atomi Smart has 20K ratings behind it against 5, so its average is the more settled of the two.

D ships an update fortnightly, Atomi Smart every 3 months. The most recent releases landed on October 22, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | D | Atomi Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (5 ratings)](https://appshunter.io/ios/app/d-lights/id1299007706/reviews) | **[4.8 (20K ratings)](https://appshunter.io/ios/app/atomi-smart/id1414704585/reviews)** |
| Number of ratings | 5 | **20K** |
| Positive reviews | — | 23.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free | Free |
| Size | 44 MB | 198 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Novolink Inc.](https://appshunter.io/developer/1044918681) | [Atomi Inc](https://appshunter.io/developer/1414704584) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-lights/id1299007706)

Control your wireless string lights with this app. Adjust brightness, set timers, and choose from six flashing patterns to create custom light displays for any occasion. Group up to eight lights simultaneously for a synchronized effect.

**Highlights:** Bluetooth ON/OFF control, Timer settings, Brightness adjustment, 6 flashing patterns, Group control (up to 8 lights), Unlimited string light support

**Features:** macOS Compatibility

**In-app purchases:** none


### Atomi Smart

[App page](https://appshunter.io/ios/app/atomi-smart/id1414704585)

Control your home appliances like lighting, plugs, and heaters remotely. Schedule device operation, customize settings, and receive notifications for peace of mind. Manage all your smart devices from anywhere, anytime.

**Highlights:** Remote device control, Scheduling and timers, Customizable lighting effects, Temperature monitoring, Real-time notifications, Device grouping

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy setup
- 🚀 Customizable lighting options
- 🚀 Integrates with smart home devices
- 👍 Durable construction
- 👍 Attractive design

**What reviewers complain about**

- 🐛 Connectivity issues
- 🐛 Inconsistent performance
- 🐛 Buggy app
- 🔋 Power outage causes problems
- 👎 Limited customization options

**Reported bugs**

- Lights randomly disconnect from Wi-Fi
- Schedules not working as expected
- App crashes or becomes unresponsive
- Temperature reading inaccuracies

**Requested features**

- More customizable color and scene options
- Ability to control all lights simultaneously
- Integration with Siri/HomeKit
- Improved app interface and stability


## Frequently asked questions

### Is D free?

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

### Is Atomi Smart free?

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

### Which has better reviews, D or Atomi Smart?

Atomi Smart is rated higher. D averages 3.0 out of 5 from 5 ratings, while Atomi Smart averages 4.8 from 20K ratings.

### Do D or Atomi Smart have ads?

Neither D nor Atomi Smart shows ads.

### Which is updated more often, D or Atomi Smart?

D ships an update fortnightly, and Atomi Smart every 3 months. Most recently, D was updated on October 22, 2026 and Atomi Smart on October 31, 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.*