# SD Toolkit vs SAFA+Checklist

The clearest difference is in-app purchases: SD Toolkit at none against SAFA+Checklist's 1. SD Toolkit also leads on iOS requirement (14.0 vs 17.0). SAFA+Checklist's advantage is update cadence (weekly vs every 27 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. SD Toolkit asks for nothing beyond the download.

SD Toolkit ships an update every 27 months, SAFA+Checklist weekly. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SD Toolkit | SAFA+Checklist |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sd-toolkit/id1618642110/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 27 months | **Weekly** |
| Monetization | **Free** | Subscription |
| Size | 45 MB | 10 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Satcom Direct](https://appshunter.io/developer/447415249) | [Fly-Right LLC](https://appshunter.io/developer/1896458527) |

## What reviewers say

### SD Toolkit

[App page](https://appshunter.io/ios/app/sd-toolkit/id1618642110)

Troubleshoot aviation satcom terminals via serial connection. This tool helps diagnose and resolve issues with satellite communication equipment used in aircraft.

**Highlights:** Troubleshoot satcom terminals, Serial connection support, Aviation specific, Diagnose communication issues

**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 SD Toolkit free?

SD Toolkit 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 SD Toolkit or SAFA+Checklist have ads?

Neither SD Toolkit nor SAFA+Checklist shows ads.

### Which is updated more often, SD Toolkit or SAFA+Checklist?

SD Toolkit ships an update every 27 months, and SAFA+Checklist weekly. Most recently, SD Toolkit was updated on October 10, 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.*