# Calex Smart vs ENERGIZER SMART

The clearest difference is rating: ENERGIZER SMART at 4.7 against Calex Smart's 4.3. ENERGIZER SMART also leads on ratings volume (388 vs 35) and iOS requirement (12.2 vs 14.0). Calex Smart's advantage is update cadence (every 2 months vs every 9 months) and device support (4 vs 2). 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.

ENERGIZER SMART holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: ENERGIZER SMART has 388 ratings behind it against 35, so its average is the more settled of the two. Written reviews point the same way: 34% of Calex Smart's written reviews are positive against 40% of ENERGIZER SMART's.

Calex Smart ships an update every 2 months, ENERGIZER SMART every 9 months. Both last shipped on October 13, 2026.

## The numbers

| Metric | Calex Smart | ENERGIZER SMART |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (35 ratings)](https://appshunter.io/ios/app/calex-smart/id1471978691/reviews) | **[4.7 (388 ratings)](https://appshunter.io/ios/app/energizer-smart/id1524392136/reviews)** |
| Number of ratings | 35 | **388** |
| Positive reviews | 33.6% of reviews | **39.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | Free | Free |
| Size | 256 MB | 173 MB |
| Requires iOS | 14.0 | **12.2** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Electro Cirkel Retail B.V](https://appshunter.io/developer/1461044589) | [Supreme Imports Limited](https://appshunter.io/developer/1524392138) |

## 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


### ENERGIZER SMART

[App page](https://appshunter.io/ios/app/energizer-smart/id1524392136)

Remotely manage your home appliances and lighting from any location. Schedule actions with timers, control multiple devices at once, and easily share access with family members. Customize lighting with brightness and color adjustments.

**Highlights:** Remote appliance control, Simultaneous multi-device management, Timer scheduling, Device sharing, Customizable lighting control

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Super fun
- 👍 Great app, easy to use
- 👍 Loved this product
- 👍 Energizer lights are a bargain
- 👍 Precise brightness adjustment

**What reviewers complain about**

- 🐛 Terrible app, can't press buttons
- 🐛 Doesn't work after half a year
- 🔒 Needs location and WiFi login
- 🐛 Lights turn on randomly, color issues
- 🔒 Privacy invaders, too much data extraction

**Reported bugs**

- App crashes phone when using color wheel
- App randomly logs user out
- Fails to re-link with Alexa
- Impossible to enable in Alexa
- Keeps disconnecting from lights

**Requested features**

- Dark mode for the app
- Widgets for easier access
- Lock screen controls
- Ability to set timer to turn on after a delay
- Preset color options


## Frequently asked questions

### Is Calex Smart free?

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

### Is ENERGIZER SMART free?

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

### Which has better reviews, Calex Smart or ENERGIZER SMART?

ENERGIZER SMART is rated higher. Calex Smart averages 4.3 out of 5 from 35 ratings, while ENERGIZER SMART averages 4.7 from 388 ratings.

### Do Calex Smart or ENERGIZER SMART have ads?

Neither Calex Smart nor ENERGIZER SMART shows ads.

### Which is updated more often, Calex Smart or ENERGIZER SMART?

Calex Smart ships an update every 2 months, and ENERGIZER SMART every 9 months. Most recently, Calex Smart was updated on October 13, 2026 and ENERGIZER SMART on October 13, 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.*