Diag vs BimmerUtility
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Diag
This diagnostic software package is designed for BMW vehicles. It requires the MaxiAP200 main program to function. Access detailed vehicle diagnostics and information.
- BMW vehicle diagnostics
- Requires MaxiAP200
- Diagnostic software package
- Vehicle information access
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Diagnostic software package for BMW vehicles, which requires to work with the main program MaxiAP200 together.
BimmerUtility
A lightweight tool for editing vehicle configuration files like FDL, NCD, and FA. It allows users to save diagnostic reports and compare different vehicle software versions.
- Edit FDL, NCD, & FA files
- Save diagnostic reports
- Compare SVT & NCD files
- Lightweight toolset
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A simple lightweight toolset to help you edit your FDL, NCD & FA files. Save diagnostic reports, compare SVT & NCD files & more.
Screenshots
Verdict
The clearest difference is rating: BimmerUtility at 3.9 against Diag's 2.8. BimmerUtility also leads on review sentiment (20% vs 9%). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
BimmerUtility holds the better App Store score, 3.9 against 2.8. Both are backed by a comparable volume of ratings — 23 and 38 respectively. Written reviews point the same way: 9% of Diag's written reviews are positive against 20% of BimmerUtility's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.
| Parameter | Diag | BimmerUtility |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (23 ratings) | 3.9 (38 ratings) — better |
| Positive reviews | 9.1% of reviews | 20.0% of reviews — better |
| Number of ratings | 23 | 38 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 582 MB | 193 MB |
| Age rating | 4+ | 4+ |
| Developer | Autel Intelligent Technology Co., Ltd. | Robert Hebb |
Customer experience
Diag
BimmerUtility
In-app purchases
Diag
No in-app purchases
BimmerUtility
No in-app purchases
