LevelSmart vs BlueSync by H2flow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LevelSmart
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.
- Remote water level monitoring
- Water temperature tracking
- High/low water level alerts
- Push notifications
- Leak alerts
- Alert history view
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The LevelSmartâ„¢ App shows water levels and temperatures reported by your LevelSmart Wireless Level Sensors. Remotely monitor your pool, spa, water feature or cooling tower remotely. The upgraded app lets you see your Alert History so you can see if the High or Low Water Alert you received has been resolved. You can see temperatures and water levels anytime using the app. Using the LevelSmart app gives you peace of mind all the time. Have no worry that your pool and spa are warm and leveled off. No more dry pumps. Get text and emails when you set up your high and low water level alerts on the dashboard. The LevelSmart App allows you to remotely monitor your pool and spa system from your mobile device. You now can know your water is where it is supposed to be 24/7 and that your pool is working fine. When you open the LevelSmart App you will be able to choose all of your pools, spas or installations of the LevelSmart sensor. You can receive push notifications and leak alerts. Know your pool is fine anytime. Know your pump has plenty of water and is not running dry.
BlueSync by H2flow
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BlueSync is H2flow Controls’ mobile app that provides seamless wireless connectivity and smart control for a growing range of their pool, spa, and water management products. Key Features and Capabilities • Remote Monitoring and Control: Users can remotely access and manage compatible devices like the Nautis VSF adaptive variable speed pump, AlgaeID algae early warning system, and others. For the Nautis VSF, this includes real-time pump performance data, operating modes (e.g., constant speed, constant flow, or turnover), turnover/boost cycles, and adjustments without needing external automation panels. • Alerts and Notifications: Instant alerts for performance issues, status changes, alarms (e.g., flow-related or algae detection), and system events to help prevent problems and optimize operation. • Data Access: View operational metrics, flow rates, energy usage insights, and historical data to maximize efficiency, reduce costs, and maintain water quality. • WiFi Integration: Products connect directly via WiFi for convenient app-based or web interface control from anywhere. • User-Friendly Design: The app simplifies pool and spa management by integrating multiple H2flow devices into one platform, supporting built-in micro-automation for pumps and heaters. Compatible Products BlueSync works with innovative H2flow solutions, including: • Nautis VSF Pump (featuring Eco-Flow® adaptive flow technology for energy savings and optimal circulation). • AlgaeID (for early algae detection). • Other devices like FillStop. H2flow Controls, based in Ohio, USA, designs BlueSync to enhance convenience, energy efficiency, equipment longevity, and water quality for residential and commercial pool/spa owners. It eliminates the need for complex, costly automation setups while providing professional-grade insights and control.
Screenshots
Verdict
The clearest difference is update cadence: BlueSync by H2flow at every 5 days against LevelSmart's monthly. BlueSync by H2flow also leads on iOS requirement (13.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
LevelSmart ships an update monthly, BlueSync by H2flow every 5 days. The most recent releases landed on September 19, 2026 and September 20, 2026 respectively.
| Parameter | LevelSmart | BlueSync by H2flow |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Monthly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Kona Labs | H2FLOW CONTROLS, INC. |
In-app purchases
LevelSmart
No in-app purchases
BlueSync by H2flow
No in-app purchases
Questions
Is LevelSmart free?
Is BlueSync by H2flow free?
Do LevelSmart or BlueSync by H2flow have ads?
Which is updated more often, LevelSmart or BlueSync by H2flow?
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