# Pool Shark H2O Pro vs LevelSmart

The clearest difference is review sentiment: Pool Shark H2O Pro at 100% against LevelSmart's 0%. Pool Shark H2O Pro also leads on iOS requirement (12.0 vs 18.0). LevelSmart's advantage is monetization model (free vs free with in-app purchases) and update cadence (monthly vs every 5 months). On price, ads, 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.

Pool Shark H2O Pro ships an update every 5 months, LevelSmart monthly. The most recent releases landed on October 26, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Pool Shark H2O Pro | LevelSmart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (286 ratings)](https://appshunter.io/ios/app/pool-shark-h2o-pro/id1467944894/reviews)** | — |
| Number of ratings | **286** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 4 MB | 1 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pool Shark H2O, Inc.](https://appshunter.io/developer/1143122519) | [Kona Labs](https://appshunter.io/developer/1622720212) |

## What reviewers say

### Pool Shark H2O Pro

[App page](https://appshunter.io/ios/app/pool-shark-h2o-pro/id1467944894)

This app simplifies pool and spa record-keeping and maintenance with compliant logs. It offers instant water analysis and chemical dosage instructions to reduce liability and maintain clean water.

**Highlights:** Health Department Compliant Logs, Instant Water Analysis, Chemical Dosage Instructions, Bluetooth Integration with LaMotte WaterLink Spin Touch, Automated Testing Reminders, Location-Based Pool Search, Tamper-Proof Electronic Logs

**In-app purchases:** none


### LevelSmart

[App page](https://appshunter.io/ios/app/levelsmart/id6444029386)

Remotely monitor water levels and temperatures for pools, spas, and water features using wireless sensors. Receive alerts for high/low water levels and view historical data for peace of mind. Ensures your water systems are functioning correctly and prevents issues like dry pumps.

**Highlights:** Remote water level monitoring, Water temperature tracking, High/low water level alerts, Push notifications, Leak alerts, Alert history view

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

**In-app purchases:** none


## Frequently asked questions

### Is Pool Shark H2O Pro free?

Pool Shark H2O Pro is free to download, with no in-app purchases.

### Is LevelSmart free?

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

### Do Pool Shark H2O Pro or LevelSmart have ads?

Neither Pool Shark H2O Pro nor LevelSmart shows ads.

### Which is updated more often, Pool Shark H2O Pro or LevelSmart?

Pool Shark H2O Pro ships an update every 5 months, and LevelSmart monthly. Most recently, Pool Shark H2O Pro was updated on October 26, 2026 and LevelSmart on October 6, 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.*