# ASM Vessel Tracker vs James Gas

The clearest difference is update cadence: ASM Vessel Tracker at monthly against James Gas's every 5 months. ASM Vessel Tracker also leads on iOS requirement (9.0 vs 12.2). 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.

ASM Vessel Tracker ships an update monthly, James Gas every 5 months. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | ASM Vessel Tracker | James Gas |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Size | 33 MB | 56 MB |
| Requires iOS | **9.0** | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [MariApps Marine Solutions Pvt. Ltd.](https://appshunter.io/developer/1040404561) | [Rural Computer Consultants, Inc.](https://appshunter.io/developer/640795441) |

## What reviewers say

### ASM Vessel Tracker

[App page](https://appshunter.io/ios/app/asm-vessel-tracker/id1254326853)

**In-app purchases:** none


### James Gas

[App page](https://appshunter.io/ios/app/james-gas/id6747445917)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ASM Vessel Tracker free?

ASM Vessel Tracker is free to download, with no in-app purchases.

### Is James Gas free?

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

### Do ASM Vessel Tracker or James Gas have ads?

Neither ASM Vessel Tracker nor James Gas shows ads.

### Which is updated more often, ASM Vessel Tracker or James Gas?

ASM Vessel Tracker ships an update monthly, and James Gas every 5 months. Most recently, ASM Vessel Tracker was updated on October 3, 2026 and James Gas 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.*