# Field vs Diagnostics Direct

The clearest difference is update cadence: Diagnostics Direct at every 2 months against Field's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Field ships an update every 3 months, Diagnostics Direct every 2 months. The most recent releases landed on September 14, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Field | Diagnostics Direct |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 229 MB | 61 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dassault Aviation](https://appshunter.io/developer/449153710) | [Veryon](https://appshunter.io/developer/544008976) |

## What reviewers say

### Field

[App page](https://appshunter.io/ios/app/field-3d/id1615572252)

**Features:** macOS Compatibility

**In-app purchases:** none


### Diagnostics Direct

[App page](https://appshunter.io/ios/app/diagnostics-direct/id6450266259)

A fault isolation tool for aircraft technicians, offering quick symptom searches and guided troubleshooting. Its dynamic database is updated with field feedback for improved accuracy.

**Highlights:** Fault isolation solution, Quick symptom search, Intuitive troubleshooting workflows, Dynamic, updated database, Mobile access for technicians

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

**In-app purchases:** none


## Frequently asked questions

### Is Field free?

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

### Is Diagnostics Direct free?

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

### Do Field or Diagnostics Direct have ads?

Neither Field nor Diagnostics Direct shows ads.

### Which is updated more often, Field or Diagnostics Direct?

Field ships an update every 3 months, and Diagnostics Direct every 2 months. Most recently, Field was updated on September 14, 2026 and Diagnostics Direct on September 8, 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.*