# Grundfos GO vs Flowserve FlowSync

The clearest difference is rating: Flowserve FlowSync at 5.0 against Grundfos GO's 4.1. Flowserve FlowSync also leads on iOS requirement (9.0 vs 17.0). Grundfos GO's advantage is update cadence (every 3 weeks vs every 8 months) and ratings volume (77 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Flowserve FlowSync holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Grundfos GO has 77 ratings behind it against 2, so its average is the more settled of the two.

Grundfos GO ships an update every 3 weeks, Flowserve FlowSync every 8 months. The most recent releases landed on October 28, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Grundfos GO | Flowserve FlowSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (77 ratings)](https://appshunter.io/ios/app/grundfos-go-new-pump-tool/id1514389067/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/flowserve-flowsync/id1622634697/reviews)** |
| Number of ratings | **77** | 2 |
| Positive reviews | 23.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 8 months |
| Monetization | Free | Free |
| Size | 387 MB | 170 MB |
| Requires iOS | 17.0 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Grundfos Holding A/S](https://appshunter.io/developer/940210934) | [Flowserve Corp](https://appshunter.io/developer/1243575241) |

## What reviewers say

### Grundfos GO

[App page](https://appshunter.io/ios/app/grundfos-go-new-pump-tool/id1514389067)

This professional toolbox provides one-click access to essential tools for managing Grundfos pumps and controls. It simplifies setup, troubleshooting, and maintenance with guided wizards, instant documentation, and access to product information and training.

**Highlights:** Pump operation and guided setup, Troubleshooting and alarms, Replacement tool for circulators, Documentation and reports, Training videos, Product information, Bulk configuration

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

**In-app purchases:** none


### Flowserve FlowSync

[App page](https://appshunter.io/ios/app/flowserve-flowsync/id1622634697)

Control and monitor MXb Smart Actuators remotely via Bluetooth from an iOS tablet. View detailed diagnostics, capture screenshots for reports, and create/save actuator configurations for easy deployment.

**Highlights:** Remote actuator control via Bluetooth, View advanced diagnostics, Capture screenshots for reports, Create and save actuator configurations, Push configurations to multiple actuators

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Grundfos GO free?

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

### Is Flowserve FlowSync free?

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

### Which has better reviews, Grundfos GO or Flowserve FlowSync?

Flowserve FlowSync is rated higher. Grundfos GO averages 4.1 out of 5 from 77 ratings, while Flowserve FlowSync averages 5.0 from 2 ratings.

### Do Grundfos GO or Flowserve FlowSync have ads?

Neither Grundfos GO nor Flowserve FlowSync shows ads.

### Which is updated more often, Grundfos GO or Flowserve FlowSync?

Grundfos GO ships an update every 3 weeks, and Flowserve FlowSync every 8 months. Most recently, Grundfos GO was updated on October 28, 2026 and Flowserve FlowSync on October 15, 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.*