# B&G System Builder vs ivessel

The clearest difference is update cadence: B&G System Builder at every 3 months against ivessel's every 11 months. B&G System Builder also leads on iOS requirement (9.0 vs 15.0). ivessel's advantage is device support (3 vs 1). On price, ads and in-app purchases there is nothing between them.

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

B&G System Builder ships an update every 3 months, ivessel every 11 months. The most recent releases landed on September 18, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | B&G System Builder | ivessel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/b-and-g-system-builder/id1026543356/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 11 months |
| Monetization | Free | — |
| Size | 113 MB | 14 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Navico Norway AS](https://appshunter.io/developer/842162153) | [Ivessel LLC](https://appshunter.io/developer/1733812375) |

## What reviewers say

### B&G System Builder

[App page](https://appshunter.io/ios/app/b-and-g-system-builder/id1026543356)

This business tool helps marine electronics companies create sales quotes and system diagrams for B&G equipment. It ensures correct parts are included for a working system, saving sales staff 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, Warnings for extra functionality, Access product information, specs, and pricing

**Features:** macOS Compatibility

**In-app purchases:** none


### ivessel

[App page](https://appshunter.io/ios/app/ivessel/id6478752942)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is B&G System Builder free?

B&G System Builder is free to download, with no in-app purchases.

### Is ivessel free?

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

### Do B&G System Builder or ivessel have ads?

Neither B&G System Builder nor ivessel shows ads.

### Which is updated more often, B&G System Builder or ivessel?

B&G System Builder ships an update every 3 months, and ivessel every 11 months. Most recently, B&G System Builder was updated on September 18, 2026 and ivessel on September 24, 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.*