FlowVis vs BlueSync by H2flow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FlowVis
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The FlowVis App gives you rapid access to some of the most important information from your FlowVis Online system. With the FlowVis Digital display and the FlowVis Online hardware you have unlimited access to your FlowVis data. Monitor more than one FlowVis with a single app. From the Dashboard you can see and do more like set alerts to high flow, low flow or no flow conditions. With the FlowVis Online you can now totalize your flow daily and check turn over rates.
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 iOS requirement: BlueSync by H2flow at 13.0 against FlowVis's 16.0. 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.
| Parameter | FlowVis | BlueSync by H2flow |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 5 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Kona Labs | H2FLOW CONTROLS, INC. |
In-app purchases
FlowVis
No in-app purchases
BlueSync by H2flow
No in-app purchases









