# Uncle Rayski's vs PRM

The clearest difference is update cadence: PRM at every 5 days against Uncle Rayski's's every 3 weeks. Uncle Rayski's's advantage is iOS requirement (13.0 vs 17.0). On price, ads, 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.

Uncle Rayski's ships an update every 3 weeks, PRM every 5 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Uncle Rayski's | PRM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (14 ratings)](https://appshunter.io/ios/app/uncle-rayskis/id1474399707/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 31 MB | 3 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [DRB Systems, LLC](https://appshunter.io/developer/1360395436) | [Griff's Bar & Billiards](https://appshunter.io/developer/1806208103) |

## What reviewers say

### Uncle Rayski's

[App page](https://appshunter.io/ios/app/uncle-rayskis/id1474399707)

This app provides convenient car wash services with both touchless and soft-touch options. Easily find a location, get a clean, shiny, and dry car, and leave satisfied.

**Highlights:** Touchless car wash options, Soft touch car wash options, Leave car clean, shiny, and dry, Find car wash locations

**Features:** macOS Compatibility

**In-app purchases:** none


### PRM

[App page](https://appshunter.io/ios/app/prm-waitlist-manager/id6798886272)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Uncle Rayski's free?

Uncle Rayski's is free to download, with no in-app purchases.

### Is PRM free?

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

### Do Uncle Rayski's or PRM have ads?

Neither Uncle Rayski's nor PRM shows ads.

### Which is updated more often, Uncle Rayski's or PRM?

Uncle Rayski's ships an update every 3 weeks, and PRM every 5 days. Most recently, Uncle Rayski's was updated on November 3, 2026 and PRM on October 31, 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.*