# DND vs Proformance Link

The clearest difference is rating: DND at 5.0 against Proformance Link's 4.0. DND also leads on update cadence (every 8 days vs every 2 weeks). Proformance Link's advantage is ratings volume (4 vs 1) and device support (3 vs 1). On price, review sentiment, 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.

DND holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

DND ships an update every 8 days, Proformance Link every 2 weeks. The most recent releases landed on September 17, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | DND | Proformance Link |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dnd/id6451104638/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/proformance-link/id6755274184/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 339 MB | 53 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MATL TECH INC.](https://appshunter.io/developer/1735263917) | [Proformance Diagnostics LLC](https://appshunter.io/developer/1852904316) |

## What reviewers say

### DND

[App page](https://appshunter.io/ios/app/dnd/id6451104638)

This tool helps you understand your vehicle's health and diagnose issues. It provides comprehensive diagnostic services, maintenance guidance, and real-time sensor data monitoring, making car care accessible even for beginners.

**Highlights:** OBD functionality, Enhanced diagnosis, Vehicle maintenance guidance, Locate malfunction causes, AI services, Abnormal warnings, Real-time sensor data monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### Proformance Link

[App page](https://appshunter.io/ios/app/proformance-link/id6755274184)

This diagnostic tool connects to trucks via Bluetooth to read and clear fault codes, monitor data streams, and perform DPF regeneration and speed limit calibration. It supports various popular truck engine models and offers real-time updates for advanced functions.

**Highlights:** Bluetooth connectivity, Fault code lookup and clearing, Data stream viewing, DPF regeneration and reset, Speed limit calibration, Supports multiple engine models

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

**In-app purchases:** none


## Frequently asked questions

### Is DND free?

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

### Is Proformance Link free?

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

### Which has better reviews, DND or Proformance Link?

DND is rated higher. DND averages 5.0 out of 5 from 1 ratings, while Proformance Link averages 4.0 from 4 ratings.

### Do DND or Proformance Link have ads?

Neither DND nor Proformance Link shows ads.

### Which is updated more often, DND or Proformance Link?

DND ships an update every 8 days, and Proformance Link every 2 weeks. Most recently, DND was updated on September 17, 2026 and Proformance Link on September 26, 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.*