# INNOOBD+ vs UJS OBDII

The clearest difference is update cadence: INNOOBD+ at every 2 weeks against UJS OBDII's every 6 weeks. 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.

INNOOBD+ ships an update every 2 weeks, UJS OBDII every 6 weeks. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | INNOOBD+ | UJS OBDII |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ujs-obdii/id6753165961/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | — | Free |
| Size | 146 MB | 81 MB |
| Requires iOS | 13 | 13 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Chaoyue Technology Development Co.,Ltd](https://appshunter.io/developer/1223781320) | [UJS INC](https://appshunter.io/developer/1842801577) |

## What reviewers say

### INNOOBD+

[App page](https://appshunter.io/ios/app/innoobd-plus/id6683303203)

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

**In-app purchases:** none


### UJS OBDII

[App page](https://appshunter.io/ios/app/ujs-obdii/id6753165961)

This professional car diagnostic app connects to UJS OBDII devices via Bluetooth to read and clear fault codes, monitor real-time vehicle performance, and analyze travel data. It supports multiple languages and offers high-speed, low-power data transmission.

**Highlights:** Fault code reading and clearing, Real-time instrument panel display, Vehicle performance testing, Detailed travel analysis, Multi-language support, High-speed data transmission, Low-power consumption

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is INNOOBD+ free?

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

### Is UJS OBDII free?

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

### Do INNOOBD+ or UJS OBDII have ads?

Neither INNOOBD+ nor UJS OBDII shows ads.

### Which is updated more often, INNOOBD+ or UJS OBDII?

INNOOBD+ ships an update every 2 weeks, and UJS OBDII every 6 weeks. Most recently, INNOOBD+ was updated on October 6, 2026 and UJS OBDII on October 11, 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.*