# LapLogger vs OBD2 Cat

The clearest difference is rating: OBD2 Cat at 5.0 against LapLogger's 3.5. OBD2 Cat also leads on update cadence (fortnightly vs every 3 months). LapLogger's advantage is device support (3 vs 1) and iOS requirement (9 vs 16.0). On price, ratings volume, 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.

OBD2 Cat holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

LapLogger ships an update every 3 months, OBD2 Cat fortnightly. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | LapLogger | OBD2 Cat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/laplogger-lite/id548423906/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/obd2-cat-car-scanner/id6751106245/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 16 MB | 15 MB |
| Requires iOS | **9** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [BSC INc.](https://appshunter.io/developer/548423929) | [Roman Tikhonychev](https://appshunter.io/developer/1833446011) |

## What reviewers say

### LapLogger

[App page](https://appshunter.io/ios/app/laplogger-lite/id548423906)

Read and reset diagnostic trouble codes (DTC) to clear your check engine light. Monitor real-time engine data with charts and gauges, and export logs for analysis. Supports English and metric units.

**Highlights:** Read/Reset DTCs, Clear Check Engine Light, Readiness flags for emission tests, Real-time charts and gauges, Export logs to CSV/TXT, OBD command expert access

**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 LapLogger free?

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

### Is OBD2 Cat free?

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

### Which has better reviews, LapLogger or OBD2 Cat?

OBD2 Cat is rated higher. LapLogger averages 3.5 out of 5 from 2 ratings, while OBD2 Cat averages 5.0 from 1 ratings.

### Do LapLogger or OBD2 Cat have ads?

Neither LapLogger nor OBD2 Cat shows ads.

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

LapLogger ships an update every 3 months, and OBD2 Cat fortnightly. Most recently, LapLogger was updated on November 6, 2026 and OBD2 Cat on October 30, 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.*