# eRAMx vs UDS Mobile

The clearest difference is iOS requirement: UDS Mobile at 13.0 against eRAMx's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

eRAMx ships an update every 6 weeks, UDS Mobile monthly. The most recent releases landed on October 22, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | eRAMx | UDS Mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Size | 40 MB | 25 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ABK Remote Drug Testing, Inc.](https://appshunter.io/developer/1289419704) | [Appnova](https://appshunter.io/developer/1571976797) |

## What reviewers say

### eRAMx

[App page](https://appshunter.io/ios/app/eramx/id1289419705)

**Features:** Vision Pro support

**In-app purchases:** none


### UDS Mobile

[App page](https://appshunter.io/ios/app/uds-mobile/id6478269376)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is eRAMx free?

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

### Is UDS Mobile free?

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

### Do eRAMx or UDS Mobile have ads?

Neither eRAMx nor UDS Mobile shows ads.

### Which is updated more often, eRAMx or UDS Mobile?

eRAMx ships an update every 6 weeks, and UDS Mobile monthly. Most recently, eRAMx was updated on October 22, 2026 and UDS Mobile on October 4, 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.*