Comparison

Aircraft Checklist vs Spread Test Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Aircraft Checklist

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
Read full description

Aircraft Checklist is your ultimate cockpit companion. Designed for pilots, flight instructors, and aviation enthusiasts, this app provides comprehensive checklists for over 80 aircraft models and now lets you create your own. What's New! • Create Custom Checklists — Build and edit personalized checklists for any aircraft you fly. • AI Photo Scan — Point your camera at any paper checklist and instantly digitize it with artificial intelligence. • Community Sharing — Share your checklists with pilots worldwide and discover lists created by the community. • Scratchpad — Jot down ATIS, clearances, and notes with a built-in drawing and writing pad. Includes CRAFT, PIREP, and more templates. • Pilot Profile — Track your activity and manage your checklists in one place. • Night Red Mode — A cockpit-friendly red display that protects your night vision during dark flights. Core Features: • 80+ Built-In Checklists — Ready-to-fly checklists for Cessna, Piper, Beechcraft, Cirrus, Diamond, and many more. • Voice-Guided Readouts — Go hands-free with clear voice assistance during pre-flight and in-flight checks. • Offline Access — Use all checklists anywhere, even without an internet connection. • Clean, Pilot-Focused Design — Simple navigation built for the cockpit, not the office. Aircraft Checklist helps you stay organized, safe, and efficient on every flight. Download today and take your cockpit to the next level.

About

Spread Test Calculator

Features
Read full description

Calculates the SIZE GUIDE NUMBER and UNIFORMITY INDEX value from the results of your standard fertiliser sieve. This is used to determine the characteristics of your fertiliser.

Screenshots

Aircraft Checklist4 screens
Spread Test Calculator2 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Aircraft Checklist versus Spread Test Calculator: the parameters behind the verdict, then further details
ParameterAircraft ChecklistSpread Test Calculator
PriceFreeFree
Rating4.3 (13 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings13 — better—
Update frequencyMonthly — betterEvery 8 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.611.0 — better
Further details — not scored
Size18 MB25 MB
Age rating4+4+
DeveloperDora.net LLCBrian Dockerty

In-app purchases

3 purchases

Aircraft Checklist

Subscriptions2
  • Pro Monthly$6.991 Month
  • Pro Yearly3 Days trial$39.991 Year
One-time1
  • Full Access$24.99
None

Spread Test Calculator

No in-app purchases

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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