# Crowley Marine vs Mac Tools AMP

The clearest difference is update cadence: Crowley Marine at monthly against Mac Tools AMP's every 3 months. 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.

Crowley Marine ships an update monthly, Mac Tools AMP every 3 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Crowley Marine | Mac Tools AMP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (135 ratings)](https://appshunter.io/ios/app/crowley-marine/id1471177349/reviews)** | — |
| Number of ratings | **135** | — |
| Positive reviews | 92.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | — |
| Size | 16 MB | 23 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Crowley Labs Limited](https://appshunter.io/developer/1816335986) | [Stanley Black & Decker, Inc.](https://appshunter.io/developer/414050137) |

## What reviewers say

### Crowley Marine

[App page](https://appshunter.io/ios/app/crowley-marine/id1471177349)

Easily find and purchase OEM spare parts for your outboard motor. Access parts diagrams, product photos, and technical articles for various brands like Johnson, Evinrude, Yamaha, Mercury, and Suzuki.

**Highlights:** OEM spare parts lookup, Parts diagrams, Product photos, Tech articles, Inventory check, Mobile purchasing

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive and user-friendly interface
- 🚀 Fast and efficient ordering process
- 📊 Detailed exploded parts diagrams
- 🔍 Easy parts lookup and identification
- ⚡ Quick order processing and delivery

**What reviewers complain about**

- ⏱️ Slow shipping despite expedited payment
- 📦 Inconsistent inventory communication
- 🔄 Incomplete parts database compared to web search
- 💸 High one-day shipping costs
- 📞 Poor communication during delays

**Reported bugs**

- Part number mismatches on expanded pages (e.g., clicking number 34 shows wrong item)
- Missing items in app that appear in web searches
- Internal server error during signup
- App unresponsiveness and slow loading
- Incomplete carburetor listings in database

**Requested features**

- More detailed and clearer parts diagrams
- PayPal payment support in app
- Improved app signup process
- Better inventory status visibility before ordering
- Real-time order status notifications


### Mac Tools AMP

[App page](https://appshunter.io/ios/app/mac-tools-amp/id6741683022)

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

**In-app purchases:** none


## Frequently asked questions

### Is Crowley Marine free?

Crowley Marine is free to download, with no in-app purchases.

### Is Mac Tools AMP free?

Mac Tools AMP is free to download, with no in-app purchases.

### Do Crowley Marine or Mac Tools AMP have ads?

Neither Crowley Marine nor Mac Tools AMP shows ads.

### Which is updated more often, Crowley Marine or Mac Tools AMP?

Crowley Marine ships an update monthly, and Mac Tools AMP every 3 months. Most recently, Crowley Marine was updated on October 24, 2026 and Mac Tools AMP on October 25, 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.*