# Strait Gauge vs USI Ship

The clearest difference is update cadence: USI Ship at monthly against Strait Gauge's every 4 months. USI Ship also leads on iOS requirement (13.0 vs 15). On price, ads, in-app purchases and device support there is nothing between them.

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

Strait Gauge ships an update every 4 months, USI Ship monthly. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Strait Gauge | USI Ship |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/strait-gauge/id6497061247/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free | — |
| Size | 37 MB | 34 MB |
| Requires iOS | 15 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Strait Dispatch LLC](https://appshunter.io/developer/1512015265) | [Javeed Ahmed](https://appshunter.io/developer/1746445740) |

## What reviewers say

### Strait Gauge

[App page](https://appshunter.io/ios/app/strait-gauge/id6497061247)

This business application utilizes an updated algorithm for tank capacity calculations. It features BLE connectivity for real-time updates and allows users to rename their BLE devices.

**Highlights:** Updated tank capacity algorithm, BLE connection for updates, BLE device renaming, Capacity-based calculations

**Features:** macOS Compatibility

**In-app purchases:** none


### USI Ship

[App page](https://appshunter.io/ios/app/usi-ship/id6502680695)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Strait Gauge free?

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

### Is USI Ship free?

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

### Do Strait Gauge or USI Ship have ads?

Neither Strait Gauge nor USI Ship shows ads.

### Which is updated more often, Strait Gauge or USI Ship?

Strait Gauge ships an update every 4 months, and USI Ship monthly. Most recently, Strait Gauge was updated on October 7, 2026 and USI Ship on October 5, 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.*