# ContainerLINK™ vs STA 333

ContainerLINK™ and STA 333 both sit at 4.4 stars, but that hides the real split: 40% of ContainerLINK™'s written reviews are positive against 0% of STA 333's. STA 333's advantage is update cadence (monthly vs every 3 months). On price, rating, ratings volume and ads there is nothing between them.

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

STA 333 holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 16 and 11 respectively. Written reviews complicate that: 40% of ContainerLINK™'s written reviews are positive against 0% of STA 333's, so the app with the better star average is not the one people write more warmly about.

ContainerLINK™ ships an update every 3 months, STA 333 monthly. The most recent releases landed on October 1, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | ContainerLINK™ | STA 333 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (16 ratings)](https://appshunter.io/ios/app/containerlink/id1387492814/reviews) | **[4.6 (11 ratings)](https://appshunter.io/ios/app/sta-333/id6449153274/reviews)** |
| Number of ratings | **16** | 11 |
| Positive reviews | **40.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 303 MB | 2 MB |
| Requires iOS | **13.0** | 14.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carrier Corporation](https://appshunter.io/developer/542004889) | [Daniel Michalak](https://appshunter.io/developer/1687834143) |

## What reviewers say

### ContainerLINK™

[App page](https://appshunter.io/ios/app/containerlink/id1387492814)

This app provides service manuals, troubleshooting guides, and interactive resources for customers and technicians. It includes features like alarm code lookup, event descriptions, and a service center locator to assist with equipment maintenance and repair.

**Highlights:** Service manuals with videos, Alarm code lookup, Event Description Library, Technician toolbox, Troubleshooting guide, Service center locator

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### STA 333

[App page](https://appshunter.io/ios/app/sta-333/id6449153274)

This app helps union members quickly check job availability and details for upcoming shifts. It provides insights into job counts, pending orders, vessel schedules, and worker statistics to help assess job prospects. Additionally, it offers access to member benefits information and directions to marine terminals.

**Highlights:** Job availability for current and future orders, Pending jobs breakdown, Vessel schedules, Marine terminal maps and directions, Member benefits information, Worker counts for job probability, Worked hours tracking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ContainerLINK™ free?

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

### Is STA 333 free?

STA 333 is free to download, with no in-app purchases.

### Which has better reviews, ContainerLINK™ or STA 333?

STA 333 is rated higher. ContainerLINK™ averages 4.4 out of 5 from 16 ratings, while STA 333 averages 4.6 from 11 ratings.

### Do ContainerLINK™ or STA 333 have ads?

Neither ContainerLINK™ nor STA 333 shows ads.

### Which is updated more often, ContainerLINK™ or STA 333?

ContainerLINK™ ships an update every 3 months, and STA 333 monthly. Most recently, ContainerLINK™ was updated on October 1, 2026 and STA 333 on October 4, 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.*