# Quadratec Catalog App vs AMSOIL

The clearest difference is rating: AMSOIL at 4.2 against Quadratec Catalog App's 3.1. AMSOIL also leads on review sentiment (54% vs 21%) and update cadence (fortnightly vs every 14 months). Quadratec Catalog App's advantage is iOS requirement (8.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

AMSOIL holds the better App Store score, 4.2 against 3.1. That said, the two scores are not equally well evidenced: AMSOIL has 263 ratings behind it against 23, so its average is the more settled of the two. Written reviews point the same way: 21% of Quadratec Catalog App's written reviews are positive against 54% of AMSOIL's.

Quadratec Catalog App ships an update every 14 months, AMSOIL fortnightly. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Quadratec Catalog App | AMSOIL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (23 ratings)](https://appshunter.io/ios/app/quadratec-catalog-app/id1149446712/reviews) | **[4.2 (263 ratings)](https://appshunter.io/ios/app/amsoil/id6748611692/reviews)** |
| Number of ratings | 23 | **263** |
| Positive reviews | 20.8% of reviews | **53.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 38 MB | 33 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Quadratec, Inc.](https://appshunter.io/developer/1149446711) | [AMSOIL](https://appshunter.io/developer/1826557400) |

## What reviewers say

### Quadratec Catalog App

[App page](https://appshunter.io/ios/app/quadratec-catalog-app/id1149446712)

Browse a physical catalog and scan product codes with this app to instantly access detailed product information, including photos, instructions, and videos. Add items directly to your cart for a seamless shopping experience.

**Highlights:** Scan catalog codes, View product details, Access photos and videos, Read instructions, See special offers, Add to cart, Direct purchasing

**Features:** macOS Compatibility

**In-app purchases:** none


### AMSOIL

[App page](https://appshunter.io/ios/app/amsoil/id6748611692)

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:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- Unable to log in through the app
- MyGarage information takes forever to load
- App crashes

**Requested features**

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


## Frequently asked questions

### Is Quadratec Catalog App free?

Quadratec Catalog App 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, Quadratec Catalog App or AMSOIL?

AMSOIL is rated higher. Quadratec Catalog App averages 3.1 out of 5 from 23 ratings, while AMSOIL averages 4.2 from 263 ratings.

### Do Quadratec Catalog App or AMSOIL have ads?

Neither Quadratec Catalog App nor AMSOIL shows ads.

### Which is updated more often, Quadratec Catalog App or AMSOIL?

Quadratec Catalog App ships an update every 14 months, and AMSOIL fortnightly. Most recently, Quadratec Catalog App was updated on October 20, 2026 and AMSOIL on October 19, 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.*