# Sutro vs PoolGlow

The clearest difference is in-app purchases: Sutro at none against PoolGlow's 4. Sutro also leads on iOS requirement (12.4 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. PoolGlow sells 4 one-off in-app purchases. Sutro asks for nothing beyond the download.

## The numbers

| Metric | Sutro | PoolGlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (175 ratings)](https://appshunter.io/ios/app/sutro/id1439627399/reviews)** | — |
| Number of ratings | **175** | — |
| Positive reviews | 72.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 39 MB | 4 MB |
| Requires iOS | **12.4** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sutro Connect Inc](https://appshunter.io/developer/1439627398) | [Quyen Ngo](https://appshunter.io/developer/1891544854) |

## 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


### PoolGlow

[App page](https://appshunter.io/ios/app/poolglow-redesign-your-pool/id6787791681)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $9.99 | one-time |
| Popular Pack | $24.99 | one-time |
| Pro Pack | $49.99 | one-time |
| Builder Pack | $99.99 | one-time |


## Frequently asked questions

### Is Sutro free?

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

### Is PoolGlow free?

PoolGlow is free to download, with in-app purchases available.

### Do Sutro or PoolGlow have ads?

Neither Sutro nor PoolGlow shows ads.

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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.*