# Calex Smart vs LUUMR

The clearest difference is update cadence: Calex Smart at every 2 months against LUUMR's every 6 months. On price, review sentiment, 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.

Calex Smart ships an update every 2 months, LUUMR every 6 months. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Calex Smart | LUUMR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (35 ratings)](https://appshunter.io/ios/app/calex-smart/id1471978691/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | **33.6% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 253 MB | 206 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Electro Cirkel Retail B.V](https://appshunter.io/developer/1461044589) | [Luqom Holding GmbH](https://appshunter.io/developer/1713364782) |

## What reviewers say

### Calex Smart

[App page](https://appshunter.io/ios/app/calex-smart/id1471978691)

Control your smart lights and appliances with ease. Automate your devices using smart routines for seamless on/off control. Enjoy plug-and-play installation via WiFi without needing an extra hub.

**Highlights:** Control smart lights and appliances, Create smart routines, Plug and Play WiFi installation, No additional gateway needed

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💡 Good value for money
- 👍 Intuitive and flexible app
- 💡 Lights work well
- 💡 Easy to use app
- 💡 Good control over brightness and hue

**What reviewers complain about**

- 🐛 Frequent connection issues
- 🐛 App crashes frequently
- 🐛 Difficult device pairing
- 🐛 Poor integration with Apple Home
- 🐛 Devices go offline randomly

**Reported bugs**

- App crashes when changing color
- App crashes on iPhone
- App keeps crashing or losing connection
- App loses connection for no reason
- Devices go offline and won't reconnect

**Requested features**

- Widget support for Home Screen
- Dark mode
- Better Apple HomeKit integration
- Create widgets for iPhone Home Screen
- Integrate with Apple Shortcuts for custom automation


### LUUMR

[App page](https://appshunter.io/ios/app/luumr/id6470302637)

Control household appliances remotely and simultaneously from your smartphone. Schedule actions with timers and easily share device access with family members. The app offers a streamlined connection process for quick setup.

**Highlights:** Remote appliance operation, Simultaneous multi-device control, Customizable timers, One-tap device sharing, Easy device connection

**In-app purchases:** none


## Frequently asked questions

### Is Calex Smart free?

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

### Is LUUMR free?

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

### Do Calex Smart or LUUMR have ads?

Neither Calex Smart nor LUUMR shows ads.

### Which is updated more often, Calex Smart or LUUMR?

Calex Smart ships an update every 2 months, and LUUMR every 6 months. Most recently, Calex Smart was updated on October 2, 2026 and LUUMR on September 30, 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.*