# Aircraft Checklist vs Spread Test Calculator

The clearest difference is in-app purchases: Spread Test Calculator at none against Aircraft Checklist's 3. Spread Test Calculator also leads on iOS requirement (11.0 vs 17.6). Aircraft Checklist's advantage is update cadence (monthly vs every 8 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. Spread Test Calculator asks for nothing beyond the download.

Aircraft Checklist ships an update monthly, Spread Test Calculator every 8 months. The most recent releases landed on October 23, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Aircraft Checklist | Spread Test Calculator |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 8 months |
| Monetization | Freemium | — |
| Size | 18 MB | 25 MB |
| Requires iOS | 17.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dora.net LLC](https://appshunter.io/developer/1050446162) | [Brian Dockerty](https://appshunter.io/developer/1370231043) |

## What reviewers say

### 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 |


### Spread Test Calculator

[App page](https://appshunter.io/ios/app/spread-test-calculator/id6744341834)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Aircraft Checklist free?

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

### Is Spread Test Calculator free?

Spread Test Calculator is free to download, with no in-app purchases.

### Do Aircraft Checklist or Spread Test Calculator have ads?

Neither Aircraft Checklist nor Spread Test Calculator shows ads.

### Which is updated more often, Aircraft Checklist or Spread Test Calculator?

Aircraft Checklist ships an update monthly, and Spread Test Calculator every 8 months. Most recently, Aircraft Checklist was updated on October 23, 2026 and Spread Test Calculator on October 18, 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.*