# OBDII Trouble Codes Lite vs SDPROG

The clearest difference is rating: SDPROG at 5.0 against OBDII Trouble Codes Lite's 2.1. SDPROG also leads on in-app purchases (none vs 1) and ads (none vs shown). OBDII Trouble Codes Lite's advantage is ratings volume (7 vs 2). On price, review sentiment, device support and iOS requirement there is nothing between them.

Both are free to download. OBDII Trouble Codes Lite sells 1 one-off in-app purchase. SDPROG asks for nothing beyond the download.

SDPROG holds the better App Store score, 5.0 against 2.1. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews complicate that: 31% of OBDII Trouble Codes Lite's written reviews are positive against 25% of SDPROG's, so the app with the better star average is not the one people write more warmly about.

OBDII Trouble Codes Lite ships an update every 25 months, SDPROG every 9 days. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | OBDII Trouble Codes Lite | SDPROG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (7 ratings)](https://appshunter.io/ios/app/obdii-trouble-codes-lite/id688952518/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sdprog/id1020589879/reviews)** |
| Number of ratings | **7** | 2 |
| Positive reviews | **31.3% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 25 months | **Every 9 days** |
| Monetization | Ad-supported | **Free** |
| Size | 54 MB | 85 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oleg Chumakov](https://appshunter.io/developer/688892120) | [NexDiag Sp z o. o.](https://appshunter.io/developer/1316943345) |

## What reviewers say

### OBDII Trouble Codes Lite

[App page](https://appshunter.io/ios/app/obdii-trouble-codes-lite/id688952518)

Access a comprehensive database of OBD II diagnostic trouble codes. Quickly look up definitions for generic and manufacturer-specific codes without an internet connection. Easily copy and share code descriptions.

**Highlights:** Extensive OBD II code definitions, Offline access, No car model selection needed, Copy and share descriptions, Supports generic and manufacturer codes

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $2.99 | one-time |


### SDPROG

[App page](https://appshunter.io/ios/app/sdprog/id1020589879)

This advanced diagnostic tool allows for comprehensive vehicle system analysis, including emission filters and real-time parameter monitoring. It supports cars, motorcycles, ATVs, hybrids, and electric vehicles, offering detailed insights into engine and onboard modules.

**Highlights:** Comprehensive OBD2 and service diagnostics, Advanced emission filter analysis (DPF, FAP, GPF, PEF), Real-time vehicle parameter monitoring, DTC reading and clearing, Support for cars, motorcycles, ATVs, hybrids, and EVs

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

**In-app purchases:** none


## Frequently asked questions

### Is OBDII Trouble Codes Lite free?

OBDII Trouble Codes Lite is free to download, with in-app purchases available.

### Is SDPROG free?

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

### Which has better reviews, OBDII Trouble Codes Lite or SDPROG?

SDPROG is rated higher. OBDII Trouble Codes Lite averages 2.1 out of 5 from 7 ratings, while SDPROG averages 5.0 from 2 ratings.

### Do OBDII Trouble Codes Lite or SDPROG have ads?

OBDII Trouble Codes Lite shows ads; SDPROG does not.

### Which is updated more often, OBDII Trouble Codes Lite or SDPROG?

OBDII Trouble Codes Lite ships an update every 25 months, and SDPROG every 9 days. Most recently, OBDII Trouble Codes Lite was updated on October 13, 2026 and SDPROG on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*