# Sutro vs Andersen Heating & Cooling

The clearest difference is rating: Andersen Heating & Cooling at 5.0 against Sutro's 3.9. Sutro's advantage is ratings volume (175 vs 1). 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.

Andersen Heating & Cooling holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Sutro has 175 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Sutro | Andersen Heating & Cooling |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (175 ratings)](https://appshunter.io/ios/app/sutro/id1439627399/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/andersen-heating-and-cooling/id6746528621/reviews)** |
| Number of ratings | **175** | 1 |
| Positive reviews | 72.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 39 MB | 61 MB |
| Requires iOS | **12.4** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sutro Connect Inc](https://appshunter.io/developer/1439627398) | [Nuve Home](https://appshunter.io/developer/1752266972) |

## What reviewers say

### Sutro

[App page](https://appshunter.io/ios/app/sutro/id1439627399)

Effortlessly manage your pool or spa water quality. This app works with a smart monitor to automatically track pH, free chlorine, alkalinity, and temperature, providing insights that make sense for optimal water conditions.

**Highlights:** Automatic water quality monitoring, pH tracking, Free chlorine measurement, Alkalinity tracking, Temperature monitoring, Seamless app integration

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 👍 Accurate water testing
- 💡 Helpful notifications and recommendations
- 🔒 Reliable customer support
- 🚀 Convenient pool monitoring

**What reviewers complain about**

- 🐛 Connectivity issues
- 🐛 Inaccurate readings
- 🐛 Buggy app performance
- 🔋 Expensive subscription
- 🐛 Setup difficulties

**Reported bugs**

- App crashes and freezes
- Disconnection issues with hub
- Calibration failures
- Inaccurate water chemistry readings

**Requested features**

- Measure total hardness and CYA
- Customizable notification settings
- Ability to cancel subscription easily
- Improved app stability and user experience


### Andersen Heating & Cooling

[App page](https://appshunter.io/ios/app/andersen-heating-and-cooling/id6746528621)

This app provides remote control and monitoring for your HVAC system, offering predictive maintenance alerts and one-touch appointment booking. It helps reduce operating costs and ensures you receive timely service for your home's climate control.

**Highlights:** Remote temperature monitoring, Predictive maintenance alerts, One-touch appointment booking, System health diagnostics, Smart notifications, Service reminders

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

**In-app purchases:** none


## Frequently asked questions

### Is Sutro free?

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

### Is Andersen Heating & Cooling free?

Andersen Heating & Cooling is free to download, with no in-app purchases.

### Which has better reviews, Sutro or Andersen Heating & Cooling?

Andersen Heating & Cooling is rated higher. Sutro averages 3.9 out of 5 from 175 ratings, while Andersen Heating & Cooling averages 5.0 from 1 ratings.

### Do Sutro or Andersen Heating & Cooling have ads?

Neither Sutro nor Andersen Heating & Cooling shows ads.

### Which is updated more often, Sutro or Andersen Heating & Cooling?

Sutro ships an update every 2 months, and Andersen Heating & Cooling every 2 months. Most recently, Sutro was updated on October 2, 2026 and Andersen Heating & Cooling 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.*