# ASK4 Diagnostics vs Calex Smart

The clearest difference is review sentiment: Calex Smart at 34% against ASK4 Diagnostics's 0%. Calex Smart also leads on device support (4 vs 2) and iOS requirement (14.0 vs 17.0). On price, update cadence, 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.

ASK4 Diagnostics ships an update every 3 months, Calex Smart every 2 months. The most recent releases landed on September 13, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | ASK4 Diagnostics | Calex Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (35 ratings)](https://appshunter.io/ios/app/calex-smart/id1471978691/reviews)** |
| Number of ratings | — | **35** |
| Positive reviews | 0.0% of reviews | **33.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 53 MB | 253 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [ASK4 Ltd](https://appshunter.io/developer/1123016758) | [Electro Cirkel Retail B.V](https://appshunter.io/developer/1461044589) |

## What reviewers say

### ASK4 Diagnostics

[App page](https://appshunter.io/ios/app/ask4-diagnostics/id1455988601)

This utility app performs various network tests and diagnostics. It's designed to help support agents quickly identify and resolve internet connectivity issues. Share the collected data with a support representative to expedite problem-solving.

**Highlights:** Runs network tests, Performs diagnostics, Shares test results, Aids support agents, Troubleshoots internet issues

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is ASK4 Diagnostics free?

ASK4 Diagnostics is free to download, with no in-app purchases.

### Is Calex Smart free?

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

### Do ASK4 Diagnostics or Calex Smart have ads?

Neither ASK4 Diagnostics nor Calex Smart shows ads.

### Which is updated more often, ASK4 Diagnostics or Calex Smart?

ASK4 Diagnostics ships an update every 3 months, and Calex Smart every 2 months. Most recently, ASK4 Diagnostics was updated on September 13, 2026 and Calex Smart on September 25, 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.*