# UAPI vs Mobile Service OS

The clearest difference is update cadence: Mobile Service OS at every 2 days against UAPI's every 5 months. 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.

UAPI ships an update every 5 months, Mobile Service OS every 2 days. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | UAPI | Mobile Service OS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mobile-service-os/id6789158630/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 5 MB | 9 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UAPI](https://appshunter.io/developer/1626182983) | [Roderick Reid](https://appshunter.io/developer/6789158632) |

## 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, Vision Pro support

**In-app purchases:** none


### Mobile Service OS

[App page](https://appshunter.io/ios/app/mobile-service-os/id6789158630)

Manage your mobile tire and roadside assistance business from your device. Track inventory, process payments, and access customer history seamlessly. Streamline job management and invoicing for efficient field operations.

**Highlights:** Real-time inventory tracking, Payment collection and tracking, Caller ID with customer context, Customer and vehicle records, Photo documentation for jobs, Appointment scheduling, Professional invoices and quotes

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

**In-app purchases:** none


## Frequently asked questions

### Is UAPI free?

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

### Is Mobile Service OS free?

Mobile Service OS is free to download, with no in-app purchases.

### Do UAPI or Mobile Service OS have ads?

Neither UAPI nor Mobile Service OS shows ads.

### Which is updated more often, UAPI or Mobile Service OS?

UAPI ships an update every 5 months, and Mobile Service OS every 2 days. Most recently, UAPI was updated on October 6, 2026 and Mobile Service OS on October 5, 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.*