# Field vs SD Toolkit

The clearest difference is update cadence: Field at every 6 months against SD Toolkit's every 44 months. SD Toolkit's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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 6 months, SD Toolkit every 44 months. The most recent releases landed on September 6, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Field | SD Toolkit |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 44 months |
| Monetization | — | Free |
| Size | 209 MB | 44 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dassault Aviation](https://appshunter.io/developer/449153710) | [Satcom Direct](https://appshunter.io/developer/447415249) |

## What reviewers say

### Field

[App page](https://appshunter.io/ios/app/field-touch/id1477063180)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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

**In-app purchases:** none


## Frequently asked questions

### Is Field free?

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

### Is SD Toolkit free?

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

### Do Field or SD Toolkit have ads?

Neither Field nor SD Toolkit shows ads.

### Which is updated more often, Field or SD Toolkit?

Field ships an update every 6 months, and SD Toolkit every 44 months. Most recently, Field was updated on September 6, 2026 and SD Toolkit 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.*