# EZ Start Plus vs Sierra Comfort Control

The clearest difference is rating: Sierra Comfort Control at 4.0 against EZ Start Plus's 2.0. Sierra Comfort Control also leads on update cadence (every 3 months vs every 7 months) and iOS requirement (13.0 vs 17). EZ Start Plus's advantage is ratings volume (12 vs 3). 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.

Sierra Comfort Control holds the better App Store score, 4.0 against 2.0. Both are backed by a comparable volume of ratings — 12 and 3 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

EZ Start Plus ships an update every 7 months, Sierra Comfort Control every 3 months. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | EZ Start Plus | Sierra Comfort Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (12 ratings)](https://appshunter.io/ios/app/ez-start-plus/id6451242410/reviews) | **[4.0 (3 ratings)](https://appshunter.io/ios/app/sierra-comfort-control/id6741436084/reviews)** |
| Number of ratings | **12** | 3 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 32 MB | 62 MB |
| Requires iOS | 17 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [NORITZ CORP.](https://appshunter.io/developer/1404677590) | [Nuve Home](https://appshunter.io/developer/1752266972) |

## What reviewers say

### EZ Start Plus

[App page](https://appshunter.io/ios/app/ez-start-plus/id6451242410)

Control your Noritz water heater remotely from your mobile device. Adjust settings, schedules, and perform maintenance tasks like gas conversion with ease.

**Highlights:** Remote operation control, Adjust temperature and schedules, Unit settings configuration, Gas conversion tool, Check unit status, Operate parts

**Features:** macOS Compatibility

**In-app purchases:** none


### Sierra Comfort Control

[App page](https://appshunter.io/ios/app/sierra-comfort-control/id6741436084)

This app allows users to remotely monitor and control their HVAC system, reducing energy costs and ensuring timely maintenance. It provides predictive maintenance alerts, one-touch appointment booking, and diagnostic tools for system health and air quality.

**Highlights:** Remote HVAC monitoring, Predictive maintenance alerts, One-touch appointment booking, System health diagnostics, Air quality alerts, Real-time system monitoring

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

**In-app purchases:** none


## Frequently asked questions

### Is EZ Start Plus free?

EZ Start Plus is free to download, with no in-app purchases.

### Is Sierra Comfort Control free?

Sierra Comfort Control is free to download, with no in-app purchases.

### Which has better reviews, EZ Start Plus or Sierra Comfort Control?

Sierra Comfort Control is rated higher. EZ Start Plus averages 2.0 out of 5 from 12 ratings, while Sierra Comfort Control averages 4.0 from 3 ratings.

### Do EZ Start Plus or Sierra Comfort Control have ads?

Neither EZ Start Plus nor Sierra Comfort Control shows ads.

### Which is updated more often, EZ Start Plus or Sierra Comfort Control?

EZ Start Plus ships an update every 7 months, and Sierra Comfort Control every 3 months. Most recently, EZ Start Plus was updated on November 7, 2026 and Sierra Comfort Control on November 5, 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.*