# AIS Explorer vs QuickLock USA

The clearest difference is in-app purchases: QuickLock USA at none against AIS Explorer's 3. QuickLock USA also leads on ads (none vs shown) and update cadence (weekly vs monthly). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. AIS Explorer sells 3 in-app purchases, starting at $49.00 per month. QuickLock USA asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for AIS Explorer against 5.0 for QuickLock USA. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

AIS Explorer ships an update monthly, QuickLock USA weekly. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | AIS Explorer | QuickLock USA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/ais-explorer/id1670774413/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/quicklock-usa/id6784301912/reviews) |
| Number of ratings | **3** | 2 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 68 MB | 57 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PredictWind Limited](https://appshunter.io/developer/477048590) | [Nexelynt LLC](https://appshunter.io/developer/6784301914) |

## What reviewers say

### AIS Explorer

[App page](https://appshunter.io/ios/app/ais-explorer/id1670774413)

Track ships and yachts globally in real-time with advanced satellite and terrestrial AIS receivers. Offers vessel search, favorites, port of call details, and integrated weather forecasts with routing for ETAs. Provides comprehensive satellite AIS data.

**Highlights:** Real-time Satellite AIS, Real-time Terrestrial AIS, Search Vessels, Save To Favourites, Last Port of Call, Advanced Weather Forecasts, Weather Routing - ETA

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AIS Pro monthly | $49.00 | per month |
| AIS Pro 3 monthly | $99.00 | per 3 months |
| AIS Pro Annual | $249.00 | per year |


### QuickLock USA

[App page](https://appshunter.io/ios/app/quicklock-usa/id6784301912)

Instantly size trenchless repair products like sleeves and seals based on pipe dimensions. Generates a bill of materials with pricing and provides pressure ratings for relevant applications. Designed for field use by professionals in water and wastewater rehabilitation.

**Highlights:** Point-repair sizing for various pipe types, LinerEnd termination selector, Instant bill of materials with MSRP pricing, Datasheet pressure ratings for pressure pipes, Copy and print exports for quotes, Direct contact with the developer

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

**In-app purchases:** none


## Frequently asked questions

### Is AIS Explorer free?

AIS Explorer is free to download, with in-app purchases available.

### Is QuickLock USA free?

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

### Which has better reviews, AIS Explorer or QuickLock USA?

AIS Explorer and QuickLock USA are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do AIS Explorer or QuickLock USA have ads?

AIS Explorer shows ads; QuickLock USA does not.

### Which is updated more often, AIS Explorer or QuickLock USA?

AIS Explorer ships an update monthly, and QuickLock USA weekly. Most recently, AIS Explorer was updated on September 29, 2026 and QuickLock USA on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*