# Lowrance System Builder vs Service1 Mobile Client LE

The clearest difference is update cadence: Service1 Mobile Client LE at every 5 weeks against Lowrance System Builder's every 3 months. Service1 Mobile Client LE also leads on 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.

Lowrance System Builder ships an update every 3 months, Service1 Mobile Client LE every 5 weeks. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Lowrance System Builder | Service1 Mobile Client LE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.8 (4 ratings)](https://appshunter.io/ios/app/lowrance-system-builder/id1016369323/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 159 MB | 9 MB |
| Requires iOS | **12.0** | 12.4 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Navico Norway AS](https://appshunter.io/developer/842162153) | [Service 1 GmbH](https://appshunter.io/developer/1331937235) |

## What reviewers say

### Lowrance System Builder

[App page](https://appshunter.io/ios/app/lowrance-system-builder/id1016369323)

This business tool helps marine electronics dealers create accurate sales quotes for Lowrance equipment. It generates system diagrams, calculates load, and identifies missing parts to ensure complete, working systems are proposed.

**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, Provides product information and specifications, Includes pricing and dimensioned drawings

**Features:** macOS Compatibility

**In-app purchases:** none


### Service1 Mobile Client LE

[App page](https://appshunter.io/ios/app/service1-mobile-client-le/id1351183770)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lowrance System Builder free?

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

### Is Service1 Mobile Client LE free?

Service1 Mobile Client LE is free to download, with no in-app purchases.

### Do Lowrance System Builder or Service1 Mobile Client LE have ads?

Neither Lowrance System Builder nor Service1 Mobile Client LE shows ads.

### Which is updated more often, Lowrance System Builder or Service1 Mobile Client LE?

Lowrance System Builder ships an update every 3 months, and Service1 Mobile Client LE every 5 weeks. Most recently, Lowrance System Builder was updated on October 29, 2026 and Service1 Mobile Client LE on October 26, 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.*