# Satlock d2d vs Aircraft Checklist

The clearest difference is in-app purchases: Satlock d2d at none against Aircraft Checklist's 3. Satlock d2d also leads on iOS requirement (12.0 vs 17.6). Aircraft Checklist's advantage is update cadence (monthly vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Aircraft Checklist sells 3 in-app purchases, starting at $6.99 per month. Satlock d2d asks for nothing beyond the download.

Satlock d2d ships an update every 4 months, Aircraft Checklist monthly. The most recent releases landed on October 4, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Satlock d2d | Aircraft Checklist |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (13 ratings)](https://appshunter.io/ios/app/aircraft-checklist/id6738983164/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | — | Freemium |
| Size | 51 MB | 18 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ultra S.A](https://appshunter.io/developer/1098776945) | [Dora.net LLC](https://appshunter.io/developer/1050446162) |

## What reviewers say

### Satlock d2d

[App page](https://appshunter.io/ios/app/satlock-d2d/id1469247870)

**Features:** macOS Compatibility

**In-app purchases:** none


### Aircraft Checklist

[App page](https://appshunter.io/ios/app/aircraft-checklist/id6738983164)

This app offers comprehensive digital checklists for over 80 aircraft models, allowing pilots to create custom lists and digitize paper ones using AI. It includes features like voice guidance, offline access, and a night-friendly display for efficient and safe flight operations.

**Highlights:** 80+ built-in aircraft checklists, Custom checklist creation and editing, AI-powered paper checklist digitization, Community checklist sharing, Voice-guided readout assistance, Offline access, Night Red Mode display

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $6.99 | per month |
| Pro Yearly | $39.99 | per year |
| Full Access | $24.99 | one-time |


## Frequently asked questions

### Is Satlock d2d free?

Satlock d2d is free to download, with no in-app purchases.

### Is Aircraft Checklist free?

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

### Do Satlock d2d or Aircraft Checklist have ads?

Neither Satlock d2d nor Aircraft Checklist shows ads.

### Which is updated more often, Satlock d2d or Aircraft Checklist?

Satlock d2d ships an update every 4 months, and Aircraft Checklist monthly. Most recently, Satlock d2d was updated on October 4, 2026 and Aircraft Checklist on October 23, 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.*