Comparison

Crowley Marine vs AMSOIL

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Crowley Marine

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
Read full description

The Crowley Marine app is the easiest way to lookup spare OEM parts for your outboard motor. Whether you have Johnson, Evinrude, Yamaha, Mercury or Suzuki you can find parts diagrams, product photos, tech articles and more. Look up the exact part you need, check inventory and purchase, all from your phone.

About

AMSOIL

Manage your vehicle maintenance and order premium synthetic oils. Track oil changes, set reminders, and get personalized product recommendations for all your vehicles. Shop and reorder with ease for your cars, motorcycles, ATVs, and more.

Highlights
  • Vehicle maintenance tracking
  • Personalized product recommendations
  • License plate & VIN scanner
  • Easy reordering of oils and filters
  • Maintenance reminders
  • Biometric login
Features
Read full description

ALWAYS KEEP YOUR BEST TOOLS WITHIN REACH. Everything AMSOIL. One tap away. Protection You Demand. Performance You Deserve.® AMSOIL products and tools now fit in your pocket. The AMSOIL Mobile app delivers the power of AMSOIL.com in a faster, smarter, more personalized experience. Whether you’re maintaining your daily driver, managing a garage full of toys, or building your next head-turner, AMSOIL puts premium protection and performance at your fingertips. From cars and trucks to motorcycles, boats, ATVs, UTVs, snowmobiles, and small engines — one app for every engine and every oil change. Key Features MyGarage Add your vehicles, track maintenance and oil changes, set reminders and reorder AMSOIL products tailored to each ride. License Plate & VIN Scanner Scan your plate or VIN for instant product recommendations — no guesswork, just the right synthetic oil and filters. Shop & Reorder with Ease Browse AMSOIL synthetic motor oils by vehicle type, shop new products and reorder quickly when it’s time for your next oil change. Fast & Secure Login Access your account with Face ID or Touch ID biometric security. Stay Updated Get notifications for exclusive promotions, new product launches and personalized maintenance reminders. Your Garage. Your Way. From cars and trucks to motorcycles, boats, ATVs, UTVs, and snowmobiles — the AMSOIL app personalizes your experience to your vehicles and preferences. Why Choose AMSOIL? For over 50 years, AMSOIL has led the industry in synthetic motor oil innovation, delivering the protection you demand and the performance you deserve. With the AMSOIL app, you can get product recommendations for your vehicles, track oil changes and maintenance across your garage, and order products anytime, anywhere. AMSOIL develops synthetic lubricants engineered to solve the toughest challenges for vehicles and equipment. From automotive and diesel engines to powersports, marine, racing, and small engines, our products deliver proven performance trusted worldwide. We engineer lubricant solutions that protect your equipment, extend service life, and give enthusiasts confidence their vehicles and equipment are protected. Join the AMSOIL community and experience the difference. Download AMSOIL Mobile today.

Screenshots

Crowley Marine4 screens
AMSOIL4 screens

Verdict

The call

The clearest difference is review sentiment: Crowley Marine at 93% against AMSOIL's 54%. Crowley Marine also leads on rating (4.8 vs 4.3). On price, ratings volume, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Crowley Marine holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 135 and 319 respectively. Written reviews point the same way: 93% of Crowley Marine's written reviews are positive against 54% of AMSOIL's.

UpkeepUpdate frequency

Crowley Marine ships an update monthly, AMSOIL fortnightly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
Crowley Marine versus AMSOIL: the parameters behind the verdict, then further details
ParameterCrowley MarineAMSOIL
PriceFreeFree
Rating4.8 (135 ratings) — better4.3 (319 ratings)
Positive reviews92.8% of reviews — better53.8% of reviews
Number of ratings135319 — better
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.1
Further details — not scored
Size16 MB33 MB
Age rating4+4+
DeveloperCrowley Labs LimitedAMSOIL

Customer experience

Crowley Marine

All ratings110 ratings
Positive94.5%
Neutral1.8%
Negative3.6%
Written reviews83 reviews
Positive92.8%
Neutral2.4%
Negative4.8%

AMSOIL

All ratings263 ratings
Positive79.8%
Neutral3.0%
Negative17.1%
Written reviews39 reviews
Positive53.8%
Neutral7.7%
Negative38.5%

User reviews

Crowley Marine

From 135 App Store ratings

What we love

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

Room to improve

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

AMSOIL

From 319 App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Excellent mileage
  • 💡 Useful service record feature

Room to improve

  • 🐛 Login issues
  • 🐛 Slow performance
  • 🐛 Inability to print orders

Bugs and requests

Crowley Marine

Reported bugs

5 issues
  • 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

5 requests
  • 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

AMSOIL

Reported bugs

3 issues
  • Unable to log in through the app
  • MyGarage information takes forever to load
  • App crashes

Requested features

2 requests
  • Remove 'join now' pop-up for existing users
  • Register app with META for better advertising

In-app purchases

None

Crowley Marine

No in-app purchases

None

AMSOIL

No in-app purchases

Questions

Is Crowley Marine free?
Crowley Marine is free to download, with no in-app purchases.
Is AMSOIL free?
AMSOIL is free to download, with no in-app purchases.
Which has better reviews, Crowley Marine or AMSOIL?
Crowley Marine is rated higher. Crowley Marine averages 4.8 out of 5 from 135 ratings, while AMSOIL averages 4.3 from 319 ratings.
Do Crowley Marine or AMSOIL have ads?
Neither Crowley Marine nor AMSOIL shows ads.
Which is updated more often, Crowley Marine or AMSOIL?
Crowley Marine ships an update monthly, and AMSOIL fortnightly. Most recently, Crowley Marine was updated on November 3, 2026 and AMSOIL on November 5, 2026.

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