# UAPI vs Y

The clearest difference is review sentiment: Y at 63% against UAPI's 0%. Y also leads on rating (4.9 vs 2.9) and ratings volume (465 vs 8). UAPI's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, 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.

Y holds the better App Store score, 4.9 against 2.9. That said, the two scores are not equally well evidenced: Y has 465 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 0% of UAPI's written reviews are positive against 63% of Y's.

UAPI ships an update every 4 months, Y every 2 months. The most recent releases landed on June 10, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | UAPI | Y |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (8 ratings)](https://appshunter.io/ios/app/uapi/id1504546639/reviews) | **[4.9 (465 ratings)](https://appshunter.io/ios/app/y-not-stop/id1539198456/reviews)** |
| Number of ratings | 8 | **465** |
| Positive reviews | 0.0% of reviews | **62.5% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | **Free** | Ad-supported |
| Size | 36 MB | 60 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [UAPI](https://appshunter.io/developer/1626182983) | [Y-Not Stop](https://appshunter.io/developer/1539198458) |

## What reviewers say

### UAPI

[App page](https://appshunter.io/ios/app/uapi/id1504546639)

This app allows users to search for available cars at auto parts yards. Customers can then visit the yard to pull the parts they need. It provides a way to find specific auto parts from a large inventory.

**Highlights:** Search cars in yard inventory, Locate parts at specific yards, Find auto parts, Yard inventory browsing

**Features:** macOS Compatibility

**In-app purchases:** none


### Y

[App page](https://appshunter.io/ios/app/y-not-stop/id1539198456)

Access exclusive coupons for gas, snacks, and more at Y-Not Stop locations. Simply present your phone at checkout to redeem savings. Get notified of nearby offers and set reminders so you never miss a deal.

**Highlights:** Exclusive coupons, Gas and snack savings, In-store redemption via phone, Nearby store locator, Coupon reminders, Limited-time offers

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is UAPI free?

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

### Is Y free?

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

### Which has better reviews, UAPI or Y?

Y is rated higher. UAPI averages 2.9 out of 5 from 8 ratings, while Y averages 4.9 from 465 ratings.

### Do UAPI or Y have ads?

Y shows ads; UAPI does not.

### Which is updated more often, UAPI or Y?

UAPI ships an update every 4 months, and Y every 2 months. Most recently, UAPI was updated on June 10, 2026 and Y on September 20, 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.*