# Control4 for OS 3 vs Ismeralda

The clearest difference is rating: Ismeralda at 5.0 against Control4 for OS 3's 3.1. Ismeralda also leads on update cadence (weekly vs fortnightly) and iOS requirement (13.0 vs 18.0). Control4 for OS 3's advantage is ads (none vs shown) and ratings volume (570 vs 1). On price, in-app purchases and device support there is nothing between them.

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

Ismeralda holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Control4 for OS 3 has 570 ratings behind it against 1, so its average is the more settled of the two.

Control4 for OS 3 ships an update fortnightly, Ismeralda weekly. The most recent releases landed on September 23, 2026 and August 4, 2026 respectively.

## The numbers

| Metric | Control4 for OS 3 | Ismeralda |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (570 ratings)](https://appshunter.io/ios/app/control4-for-os-3/id1320153814/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ismeralda/id6446856690/reviews)** |
| Number of ratings | **570** | 1 |
| Positive reviews | 22.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 207 MB | 23 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Snap One, LLC](https://appshunter.io/developer/417819127) | [MODAISMERALDA SRLS](https://appshunter.io/developer/1513969863) |

## What reviewers say

### Control4 for OS 3

[App page](https://appshunter.io/ios/app/control4-for-os-3/id1320153814)

Transform your iPhone or iPad into a personal interface for your smart home. Control all connected devices, including lights, thermostats, security, and media, with a redesigned, personalized experience. Requires a Control4 Smart Home OS 3 system.

**Highlights:** Personalized user interface, Control lights, thermostats, security, Manage music and video, Access favorites and room-specific settings, Intuitive volume control, Customizable room wallpapers

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Responsive and fast
- 🌟 Elegant and modern UI
- 🔒 Robust security features
- 👍 Customizable and personalized
- 🎨 Improved visual design

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- ⏱️ Slow load times and reconnections
- 🔌 Unreliable connectivity
- 🤖 Lacking integration with smart home platforms
- 💰 Expensive and costly to maintain

**Reported bugs**

- Intercom and doorbell issues
- Thermostat controls not working as expected
- Inability to connect to the system remotely
- Compatibility problems with newer iOS versions
- Unexpected app crashes and freezes

**Requested features**

- Apple Watch app support
- Better integration with Apple ecosystem
- Improved voice control and Alexa integration
- More customization options for users
- Faster and more responsive app performance


### Ismeralda

[App page](https://appshunter.io/ios/app/ismeralda/id6446856690)

Discover a passion for craftsmanship with this app, featuring ethically sourced Italian yarns and a personal connection to the artisans. Explore unique creations and connect with the story behind each piece.

**Highlights:** Ethically sourced Italian yarns, Direct connection to artisans, Unique craft discovery, Personalized shopping experience, Artisan stories

**In-app purchases:** none


## Frequently asked questions

### Is Control4 for OS 3 free?

Control4 for OS 3 is free to download, with no in-app purchases.

### Is Ismeralda free?

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

### Which has better reviews, Control4 for OS 3 or Ismeralda?

Ismeralda is rated higher. Control4 for OS 3 averages 3.1 out of 5 from 570 ratings, while Ismeralda averages 5.0 from 1 ratings.

### Do Control4 for OS 3 or Ismeralda have ads?

Ismeralda shows ads; Control4 for OS 3 does not.

### Which is updated more often, Control4 for OS 3 or Ismeralda?

Control4 for OS 3 ships an update fortnightly, and Ismeralda weekly. Most recently, Control4 for OS 3 was updated on September 23, 2026 and Ismeralda on August 4, 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.*