# OBD Plus vs INNOOBD+

The clearest difference is update cadence: INNOOBD+ at every 2 weeks against OBD Plus's every 4 weeks. OBD Plus's advantage is iOS requirement (8.0 vs 13). 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.

OBD Plus ships an update every 4 weeks, INNOOBD+ every 2 weeks. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | OBD Plus | INNOOBD+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (4 ratings)](https://appshunter.io/ios/app/obd-plus/id1208901144/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 21.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 30 MB | 135 MB |
| Requires iOS | **8.0** | 13 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Leagend Optoelectronics Co., Ltd.](https://appshunter.io/developer/6798210621) | [Shenzhen Chaoyue Technology Development Co.,Ltd](https://appshunter.io/developer/1223781320) |

## What reviewers say

### OBD Plus

[App page](https://appshunter.io/ios/app/obd-plus/id1208901144)

Monitor your vehicle's engine, emissions, and other critical systems. This app aids in diagnosing car issues and provides insights into various components for better car maintenance.

**Highlights:** Vehicle condition monitoring, Car diagnostics, Engine system monitoring, Emission control system analysis, Oxygen sensor monitoring, Fuel system analysis

**Features:** macOS Compatibility

**In-app purchases:** none


### INNOOBD+

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

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

**In-app purchases:** none


## Frequently asked questions

### Is OBD Plus free?

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

### Is INNOOBD+ free?

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

### Do OBD Plus or INNOOBD+ have ads?

Neither OBD Plus nor INNOOBD+ shows ads.

### Which is updated more often, OBD Plus or INNOOBD+?

OBD Plus ships an update every 4 weeks, and INNOOBD+ every 2 weeks. Most recently, OBD Plus was updated on September 21, 2026 and INNOOBD+ on September 18, 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.*