# MOENV vs OBD2 Cat

The clearest difference is update cadence: OBD2 Cat at every 3 weeks against MOENV's every 2 months. MOENV's advantage is iOS requirement (9.0 vs 16.0). 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.

MOENV ships an update every 2 months, OBD2 Cat every 3 weeks. Both last shipped on October 10, 2026.

## The numbers

| Metric | MOENV | OBD2 Cat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/obd2-cat-car-scanner/id6751106245/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 57 MB | 14 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jordan eGovernment](https://appshunter.io/developer/1087511442) | [Roman Tikhonychev](https://appshunter.io/developer/1833446011) |

## What reviewers say

### MOENV

[App page](https://appshunter.io/ios/app/moenv/id1293149298)

**Features:** macOS Compatibility

**In-app purchases:** none


### OBD2 Cat

[App page](https://appshunter.io/ios/app/obd2-cat-car-scanner/id6751106245)

This app reads diagnostic trouble codes and live vehicle data from compatible cars using a Bluetooth OBD2 adapter. It helps drivers understand dashboard warnings by checking engine codes, viewing sensor data, and retrieving vehicle identification information.

**Highlights:** Read diagnostic trouble codes (DTCs), Clear supported trouble codes, View live engine and sensor data, Check VIN, make, model, and year, Auto Scan for codes, View OBD protocol and connection status

**In-app purchases:** none


## Frequently asked questions

### Is MOENV free?

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

### Is OBD2 Cat free?

OBD2 Cat is free to download, with no in-app purchases.

### Do MOENV or OBD2 Cat have ads?

Neither MOENV nor OBD2 Cat shows ads.

### Which is updated more often, MOENV or OBD2 Cat?

MOENV ships an update every 2 months, and OBD2 Cat every 3 weeks. Most recently, MOENV was updated on October 10, 2026 and OBD2 Cat on October 10, 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.*