# Collins Connect vs SD Toolkit

The clearest difference is rating: SD Toolkit at 5.0 against Collins Connect's 3.8. SD Toolkit also leads on monetization model (free vs ad-supported) and iOS requirement (14.0 vs 26.0). Collins Connect's advantage is update cadence (every 3 weeks vs every 44 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

SD Toolkit holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Collins Connect ships an update every 3 weeks, SD Toolkit every 44 months. The most recent releases landed on September 16, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Collins Connect | SD Toolkit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (4 ratings)](https://appshunter.io/ios/app/collins-connect/id1605667891/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sd-toolkit/id1618642110/reviews)** |
| Number of ratings | **4** | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 44 months |
| Monetization | Ad-supported | **Free** |
| Size | 8 MB | 44 MB |
| Requires iOS | 26.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rockwell Collins, Inc.](https://appshunter.io/developer/379086069) | [Satcom Direct](https://appshunter.io/developer/447415249) |

## What reviewers say

### Collins Connect

[App page](https://appshunter.io/ios/app/collins-connect/id1605667891)

This app allows customers of Collins Aerospace navigational databases to download flight data to their iOS device. Users can then transfer this data to their airplane's flight deck using a USB flash drive or the Collins IMS.

**Highlights:** Download flight databases, Transfer data to flight deck, USB flash drive transfer, Collins IMS integration, iOS device support

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

**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 Collins Connect free?

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

### Is SD Toolkit free?

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

### Which has better reviews, Collins Connect or SD Toolkit?

SD Toolkit is rated higher. Collins Connect averages 3.8 out of 5 from 4 ratings, while SD Toolkit averages 5.0 from 2 ratings.

### Do Collins Connect or SD Toolkit have ads?

Neither Collins Connect nor SD Toolkit shows ads.

### Which is updated more often, Collins Connect or SD Toolkit?

Collins Connect ships an update every 3 weeks, and SD Toolkit every 44 months. Most recently, Collins Connect was updated on September 16, 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.*