# Car Part Identifier vs Ring Sizer

The clearest difference is rating: Ring Sizer at 4.8 against Car Part Identifier's 3.0. Ring Sizer also leads on ads (none vs shown) and ratings volume (35 vs 2). Car Part Identifier's advantage is iOS requirement (15.1 vs 17.0). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Car Part Identifier sells 2 in-app purchases, starting at $4.99 per month and Ring Sizer sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Ring Sizer holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Ring Sizer has 35 ratings behind it against 2, so its average is the more settled of the two.

Car Part Identifier ships an update every 5 weeks, Ring Sizer every 3 weeks. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Car Part Identifier | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/car-part-identifier/id6738489603/reviews) | **[4.8 (35 ratings)](https://appshunter.io/ios/app/ring-sizer-ring-measure/id6739887211/reviews)** |
| Number of ratings | 2 | **35** |
| Positive reviews | — | 71.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 29 MB | 29 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Danie Barnard](https://appshunter.io/developer/1772297016) | [Ramkumar Vellaisamy](https://appshunter.io/developer/1706335914) |

## What reviewers say

### Car Part Identifier

[App page](https://appshunter.io/ios/app/car-part-identifier/id6738489603)

Instantly identify car parts from a photo using advanced AI. Get part names, descriptions, and confidence levels, then find and purchase them online. Ideal for DIYers and professionals.

**Highlights:** AI-powered car part recognition, Identify parts from photos, Detailed part descriptions, AI confidence level reporting, Seamless online part shopping, Ad-free premium experience

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Annual Premium | $49.99 | per year |


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-ring-measure/id6739887211)

Instantly determine your precise ring size for online shopping, custom orders, or gift purchases. Offers multiple international sizing standards and saves your measurements for future use. Get accurate results with clear, step-by-step instructions.

**Highlights:** Instant ring size measurement, Support for multiple international sizing standards, Save and access size history, Step-by-step measurement guidance, Measure for custom ring widths

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Weekly | $3.99 | per 7 days |
| Ring Sizer Yearly | $9.99 | per year |
| Ring Sizer Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Car Part Identifier free?

Car Part Identifier is free to download, with in-app purchases available.

### Is Ring Sizer free?

Ring Sizer is free to download, with in-app purchases available.

### Which has better reviews, Car Part Identifier or Ring Sizer?

Ring Sizer is rated higher. Car Part Identifier averages 3.0 out of 5 from 2 ratings, while Ring Sizer averages 4.8 from 35 ratings.

### Do Car Part Identifier or Ring Sizer have ads?

Car Part Identifier shows ads; Ring Sizer does not.

### Which is updated more often, Car Part Identifier or Ring Sizer?

Car Part Identifier ships an update every 5 weeks, and Ring Sizer every 3 weeks. Most recently, Car Part Identifier was updated on October 11, 2026 and Ring Sizer on October 8, 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.*