# Simrad System Builder vs DG1 Management

The clearest difference is update cadence: Simrad System Builder at every 3 months against DG1 Management's every 7 months. DG1 Management's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Simrad System Builder ships an update every 3 months, DG1 Management every 7 months. The most recent releases landed on June 2, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Simrad System Builder | DG1 Management |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/simrad-system-builder/id998197059/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Free | — |
| Size | 194 MB | 43 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Navico Norway AS](https://appshunter.io/developer/842162153) | [DG1 Group Holdings Inc.](https://appshunter.io/developer/1313680248) |

## What reviewers say

### Simrad System Builder

[App page](https://appshunter.io/ios/app/simrad-system-builder/id998197059)

This business tool helps marine electronics dealers quickly and easily create sales quotes for Simrad equipment. It ensures correct parts are included for a working system and generates diagrams with load calculations, saving significant time.

**Highlights:** Generate sales quotes with system diagrams, Ensure correct parts for working systems, Create ethernet and NMEA 2000 connection drawings, Alerts for missing critical parts, Resource for product information, specs, and pricing, Dimensioned drawings and images

**Features:** macOS Compatibility

**In-app purchases:** none


### DG1 Management

[App page](https://appshunter.io/ios/app/dg1-management/id1580537700)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simrad System Builder free?

Simrad System Builder is free to download, with no in-app purchases.

### Is DG1 Management free?

DG1 Management is free to download, with no in-app purchases.

### Do Simrad System Builder or DG1 Management have ads?

Neither Simrad System Builder nor DG1 Management shows ads.

### Which is updated more often, Simrad System Builder or DG1 Management?

Simrad System Builder ships an update every 3 months, and DG1 Management every 7 months. Most recently, Simrad System Builder was updated on June 2, 2026 and DG1 Management on September 16, 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.*