# Diag vs DNT

Diag and DNT both sit at 3.1 stars, but that hides the real split: 40% of Diag's written reviews are positive against 27% of DNT's. Diag also leads on iOS requirement (13.0 vs 15.6). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 3.1 for Diag against 3.0 for DNT. Both are backed by a comparable volume of ratings — 14 and 33 respectively. Written reviews are what separate them: 40% of Diag's written reviews are positive against 27% of DNT's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Diag | DNT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (14 ratings)](https://appshunter.io/ios/app/diag-vw/id1434670736/reviews)** | [3.0 (33 ratings)](https://appshunter.io/ios/app/dnt/id6504674914/reviews) |
| Number of ratings | 14 | **33** |
| Positive reviews | **40.0% of reviews** | 27.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 337 MB | 25 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Autel Intelligent Technology Co., Ltd.](https://appshunter.io/developer/770747094) | [DNT Optics, LLC](https://appshunter.io/developer/1753242385) |

## What reviewers say

### Diag

[App page](https://appshunter.io/ios/app/diag-vw/id1434670736)

This diagnostic software package is designed for Volkswagen vehicles. It requires the MaxiAP200 main program to function and provides diagnostic capabilities for your car.

**Highlights:** Volkswagen vehicle diagnostics, Requires MaxiAP200, Diagnostic software package, Vehicle system analysis

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

**In-app purchases:** none


### DNT

[App page](https://appshunter.io/ios/app/dnt/id6504674914)

This application connects to a proprietary digital scope via Wi-Fi to provide video preview and management of recorded videos and photos. It also offers ballistic calculation settings and basic digital scope functions like video recording control and zeroing.

**Highlights:** Wi-Fi connection to digital scope, Video preview, Video recording control, Zeroing function, Recorded video/photo management, Ballistic calculation settings

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

**In-app purchases:** none


## Frequently asked questions

### Is Diag free?

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

### Is DNT free?

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

### Which has better reviews, Diag or DNT?

Diag is rated higher. Diag averages 3.1 out of 5 from 14 ratings, while DNT averages 3.0 from 33 ratings.

### Do Diag or DNT have ads?

Neither Diag nor DNT shows ads.

### Which is updated more often, Diag or DNT?

Diag ships an update every 2 months, and DNT every 2 months. Most recently, Diag was updated on November 4, 2026 and DNT on November 5, 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.*