# SDPROG vs Socket melink

The clearest difference is iOS requirement: Socket melink at 8.0 against SDPROG's 14.0. On price, update cadence, 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.

SDPROG ships an update every 9 days, Socket melink every 8 days. The most recent releases landed on October 2, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | SDPROG | Socket melink |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sdprog/id1020589879/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 8 days** |
| Monetization | Free | — |
| Size | 85 MB | 28 MB |
| Requires iOS | 14.0 | **8.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NexDiag Sp z o. o.](https://appshunter.io/developer/1316943345) | [Eltra nv](https://appshunter.io/developer/1109208366) |

## What reviewers say

### 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


### Socket melink

[App page](https://appshunter.io/ios/app/socket-melink/id1437601123)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SDPROG free?

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

### Is Socket melink free?

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

### Do SDPROG or Socket melink have ads?

Neither SDPROG nor Socket melink shows ads.

### Which is updated more often, SDPROG or Socket melink?

SDPROG ships an update every 9 days, and Socket melink every 8 days. Most recently, SDPROG was updated on October 2, 2026 and Socket melink on September 28, 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.*