# Diagnostics Direct vs SAFA+Checklist

The clearest difference is in-app purchases: Diagnostics Direct at none against SAFA+Checklist's 1. Diagnostics Direct also leads on iOS requirement (13.0 vs 17.0). SAFA+Checklist's advantage is update cadence (weekly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. SAFA+Checklist sells 1 in-app purchase, starting at $149.99 per year. Diagnostics Direct asks for nothing beyond the download.

Diagnostics Direct ships an update every 2 months, SAFA+Checklist weekly. The most recent releases landed on September 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Diagnostics Direct | SAFA+Checklist |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | **Free** | Subscription |
| Size | 61 MB | 10 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Veryon](https://appshunter.io/developer/544008976) | [Fly-Right LLC](https://appshunter.io/developer/1896458527) |

## What reviewers say

### 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


### SAFA+Checklist

[App page](https://appshunter.io/ios/app/safa-plus-checklist/id6767284799)

This aviation app provides business-jet crews with a comprehensive tool for SAFA ramp inspections, including detailed checklists, finding severity tagging, and document attachment. It also offers essential calculators, reference links, and CO2 emissions tracking for CORSIA and EU ETS compliance.

**Highlights:** SAFA ramp inspection checklist, Finding severity tagging, Notes, photos, and documents per item, Aircraft expiration tracking with reminders, Editable pilot quick links launchpad, CO2 emissions calculators (CORSIA, EU ETS), Operator branding for reports

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 12 Month Subscription | $149.99 | per year |


## Frequently asked questions

### Is Diagnostics Direct free?

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

### Is SAFA+Checklist free?

SAFA+Checklist is free to download, with in-app purchases available.

### Do Diagnostics Direct or SAFA+Checklist have ads?

Neither Diagnostics Direct nor SAFA+Checklist shows ads.

### Which is updated more often, Diagnostics Direct or SAFA+Checklist?

Diagnostics Direct ships an update every 2 months, and SAFA+Checklist weekly. Most recently, Diagnostics Direct was updated on September 24, 2026 and SAFA+Checklist on October 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.*