# Diagnostic App — Trencher solution dictionary

> Trencher solution dictionary (iPhone/iPad app by Tesmec S.p.a..)

- Source: https://appshunter.io/ios/app/diagnostic-app/id6738472668 (this page in markdown: same URL + `.md`)
- Developer: [Tesmec S.p.a.](https://appshunter.io/developer/1780977610)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 14.0 · 60 MB
- Released: 2025-05-08
- Data updated: 2026-07-21
- User reviews in markdown: https://appshunter.io/ios/app/diagnostic-app/id6738472668/reviews.md

## What is Diagnostic App?

Our app is a technical tool designed exclusively to support customers using Tesmec S.p.a. trencher machinery, which are complex systems for in-line excavation, civil works, laying of networks, surface mining and earthworks.

The app is intended exclusively for technicians which are useing a trencher.
Access requires approval from Tesmec S.p.a., which verifies user requests submitted through a form integrated into the app.
The entire app and its features are accessible only after the account is approved by Tesmec S.p.a. No payment subscriptions are required.



Key Features:
Error Code Database: Users can input SPN and FMI codes displayed by the machine to receive a clear explanation of the error, its severity level, and suggestions for resolution.

Missing Code Reporting: If a code is not present in the database, users can send a report directly to Tesmec S.p.a. for technical support and database improvement.

Offline Mode: The database is stored locally on the device, ensuring access to data even without an internet connection.

Database Updates: Users can update the database through a dedicated feature, available only when connected to the internet.


## Version history (last 3 releases)

### 3.0 — 2026-07-10

Bug fix and new app look and feel

### 2.0 — 2026-02-02

Bug fix, new app name and a new icon

### 1.0 — 2025-05-08

No release notes.

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## More apps by Tesmec S.p.a.

- [Teo CTRL App](https://appshunter.io/ios/app/teo-ctrl-app/id6738772548)

All apps by Tesmec S.p.a.: https://appshunter.io/developer/1780977610

## Related topics

[diagnostic app](https://appshunter.io/ios/topics/diagnostic-app)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-21.*