# Bom Merchants vs UJS OBD Pro

Bom Merchants and UJS OBD Pro are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Bom Merchants ships an update fortnightly, UJS OBD Pro every 4 weeks. The most recent releases landed on September 15, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Bom Merchants | UJS OBD Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 weeks |
| Size | 80 MB | 148 MB |
| Requires iOS | 13.0 | 13 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [BLUE ORANGE TECHNOLOGY INC](https://appshunter.io/developer/1795885297) | [UJS INC](https://appshunter.io/developer/1842801577) |

## What reviewers say

### Bom Merchants

[App page](https://appshunter.io/ios/app/bom-merchants/id6742683855)

**Features:** macOS Compatibility

**In-app purchases:** none


### UJS OBD Pro

[App page](https://appshunter.io/ios/app/ujs-obd-pro/id6761961923)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bom Merchants free?

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

### Is UJS OBD Pro free?

UJS OBD Pro is free to download, with no in-app purchases.

### Do Bom Merchants or UJS OBD Pro have ads?

Neither Bom Merchants nor UJS OBD Pro shows ads.

### Which is updated more often, Bom Merchants or UJS OBD Pro?

Bom Merchants ships an update fortnightly, and UJS OBD Pro every 4 weeks. Most recently, Bom Merchants was updated on September 15, 2026 and UJS OBD Pro on November 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.*