# Schrader TPMS vs AMSOIL

The clearest difference is rating: AMSOIL at 4.2 against Schrader TPMS's 3.0. AMSOIL also leads on review sentiment (54% vs 29%) and ratings volume (263 vs 2). Schrader TPMS's advantage is iOS requirement (10.1 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 3.0. That said, the two scores are not equally well evidenced: AMSOIL has 263 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 29% of Schrader TPMS's written reviews are positive against 54% of AMSOIL's.

Schrader TPMS ships an update every 5 weeks, AMSOIL fortnightly. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Schrader TPMS | AMSOIL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/schrader-tpms/id988790330/reviews) | **[4.2 (263 ratings)](https://appshunter.io/ios/app/amsoil/id6748611692/reviews)** |
| Number of ratings | 2 | **263** |
| Positive reviews | 28.6% of reviews | **53.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 79 MB | 33 MB |
| Requires iOS | **10.1** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Schrader International GmbH](https://appshunter.io/developer/988732081) | [AMSOIL](https://appshunter.io/developer/1826557400) |

## What reviewers say

### Schrader TPMS

[App page](https://appshunter.io/ios/app/schrader-tpms/id988790330)

This app provides information and products for tire pressure monitoring systems (TPMS). It allows users to control their EZ-sensor Pad and access updated codes for their sensors. The app also offers expert help for TPMS issues, aiming to improve vehicle handling, fuel economy, and driver safety.

**Highlights:** TPMS information and products, EZ-sensor Pad control, Updated sensor codes, Expert TPMS support, Improved vehicle handling, Enhanced fuel economy

**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 Schrader TPMS free?

Schrader TPMS 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, Schrader TPMS or AMSOIL?

AMSOIL is rated higher. Schrader TPMS averages 3.0 out of 5 from 2 ratings, while AMSOIL averages 4.2 from 263 ratings.

### Do Schrader TPMS or AMSOIL have ads?

Neither Schrader TPMS nor AMSOIL shows ads.

### Which is updated more often, Schrader TPMS or AMSOIL?

Schrader TPMS ships an update every 5 weeks, and AMSOIL fortnightly. Most recently, Schrader TPMS was updated on October 2, 2026 and AMSOIL on October 15, 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.*