# Sutro vs Hayward Pro App

The clearest difference is rating: Hayward Pro App at 4.9 against Sutro's 3.9. Hayward Pro App also leads on review sentiment (82% vs 73%). Sutro's advantage is update cadence (every 2 months vs every 5 months) and iOS requirement (12.4 vs 17.0). On price, ratings volume, 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.

Hayward Pro App holds the better App Store score, 4.9 against 3.9. Both are backed by a comparable volume of ratings — 175 and 77 respectively. Written reviews point the same way: 73% of Sutro's written reviews are positive against 82% of Hayward Pro App's.

Sutro ships an update every 2 months, Hayward Pro App every 5 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Sutro | Hayward Pro App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (175 ratings)](https://appshunter.io/ios/app/sutro/id1439627399/reviews) | **[4.9 (77 ratings)](https://appshunter.io/ios/app/hayward-pro-app/id1620248179/reviews)** |
| Number of ratings | **175** | 77 |
| Positive reviews | 72.9% of reviews | **82.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 39 MB | 44 MB |
| Requires iOS | **12.4** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sutro Connect Inc](https://appshunter.io/developer/1439627398) | [Hayward Industries, inc.](https://appshunter.io/developer/712555313) |

## 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


### Hayward Pro App

[App page](https://appshunter.io/ios/app/hayward-pro-app/id1620248179)

This app enables pool professionals to remotely configure and manage Hayward Omni controllers. Save time by accessing and editing pool system settings from anywhere, streamlining installations and service calls.

**Highlights:** Remote configuration of Omni controllers, Edit current pool system settings, Reboot controllers, Enter/exit simple mode, Configure from scratch and templates, Work from anywhere

**In-app purchases:** none


## Frequently asked questions

### Is Sutro free?

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

### Is Hayward Pro App free?

Hayward Pro App is free to download, with no in-app purchases.

### Which has better reviews, Sutro or Hayward Pro App?

Hayward Pro App is rated higher. Sutro averages 3.9 out of 5 from 175 ratings, while Hayward Pro App averages 4.9 from 77 ratings.

### Do Sutro or Hayward Pro App have ads?

Neither Sutro nor Hayward Pro App shows ads.

### Which is updated more often, Sutro or Hayward Pro App?

Sutro ships an update every 2 months, and Hayward Pro App every 5 months. Most recently, Sutro was updated on November 2, 2026 and Hayward Pro App on November 3, 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.*