Comparison

Flight Logbook Army vs SDT Calculator 速距時計算機

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

Head to head
About

Flight Logbook Army

This app helps Army helicopter pilots easily track flight hours and stay compliant with currency requirements. It offers a digital logbook with cloud storage for data security and personalized insights into flying patterns. The interface is designed for quick input, allowing pilots to focus on flying.

Highlights
  • Hassle-free flight tracking
  • Stay current and compliant
  • Personalized insights
  • Easy-to-use interface
  • Cloud data storage
  • One-time payment
Features
Read full description

Founded by an Army Aviator. Designed for Army Aviation. Subscription required for new accounts: Army Flight Logbook requires an active monthly or annual subscription for continued access. Available plans and localized pricing are shown before purchase. Existing subscribers can sign in or restore their purchase. Army Flight Logbook is the complete digital flight logging and readiness platform for Army helicopter pilots. Track flight hours, monitor currency requirements, analyze aviation trends, and manage your aviation career with confidence. Whether you're logging your first flight as an Army Aviator or maintaining thousands of hours across multiple aircraft, Army Flight Logbook provides the tools you need to stay organized, informed, and mission ready. Flight Logging Designed specifically for Army Aviation workflows. Log flights quickly and accurately Import flight information from DA Form 2408-12 records Track aircraft, missions, duty positions, crew positions, and tail numbers Record day, night, weather, hood, NVG, NVS, and simulator time Organize flights with custom tags and notes Search and filter flight records instantly Currency & Readiness Tracking Know where you stand before your next flight. Track aircraft-specific currency requirements Monitor semiannual minimums View upcoming expirations and training requirements Track additional readiness items and custom requirements Visual status indicators help identify areas needing attention Reports & Analytics Transform your flight data into actionable information. View detailed flight summaries Analyze trends across aircraft and mission types Track flight activity over time Generate professional aviation reports Review career totals and readiness metrics Secure Cloud Access Your aviation records are important. Secure cloud-based storage Access your information across supported devices Automatic synchronization Designed to protect your flight history and records Company Management of Aviators through the Web For aviation leaders and organizations. Monitor aviator currency and readiness Track flight hour progression across units Identify training shortfalls early Improve visibility into organizational readiness The next generation of Army Flight Logbook introduces a modernized experience with enhanced reporting, improved performance, expanded management tools, and access through our new web platform. Built for Flight. Designed for Trust. Army Flight Logbook exists to simplify flight record management so Army Aviators can spend less time managing spreadsheets and more time focused on flying and mission readiness. Reference herein to any specific commercial products, process, or service by trade name, trademark, manufacturer, or otherwise, does not constitute or imply its endorsement, recommendation, or favoring by the United States Government. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://help.armyflightlogbook.com/en/articles/15696349-privacy-policy

About

SDT Calculator 速距時計算機

Features
Read full description

SDT Calculator — Speed, Distance & Time, but smoother Stuck between speed, time, and distance? SDT Calculator solves it instantly as you enter values. Watch a real‑time parallax visualizer respond to your inputs – making rate problems feel effortless. Switch seamlessly between metric and imperial, including knots for aviation and maritime use. Perfect for students, runners, drivers, pilots, and crew.

Screenshots

Flight Logbook Army4 screens
SDT Calculator 速距時計算機4 screens

Verdict

The call

The clearest difference is in-app purchases: SDT Calculator 速距時計算機 at none against Flight Logbook Army's 2. SDT Calculator 速距時計算機 also leads on update cadence (daily vs every 5 weeks). Flight Logbook Army's advantage is iOS requirement (16.4 vs 18.6). 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. Flight Logbook Army sells 2 in-app purchases, starting at $3.99 per month. SDT Calculator 速距時計算機 asks for nothing beyond the download.

UpkeepUpdate frequency

Flight Logbook Army ships an update every 5 weeks, SDT Calculator 速距時計算機 daily. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Flight Logbook Army versus SDT Calculator 速距時計算機: the parameters behind the verdict, then further details
ParameterFlight Logbook ArmySDT Calculator 速距時計算機
PriceFreeFree
Rating4.9 (27 ratings) — better—
Positive reviews90.9% of reviews—
Number of ratings27 — better—
Update frequencyEvery 5 weeksDaily — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaid—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.4 — better18.6
Further details — not scored
Size61 MB14 MB
Age rating12+4+
DeveloperFront Line Designs LLCLap Tak Cheung

In-app purchases

2 purchases

Flight Logbook Army

Subscriptions2
  • Monthly Access$3.991 Month
  • Annual Access$35.991 Year
None

SDT Calculator 速距時計算機

No in-app purchases

Questions

Is Flight Logbook Army free?
Flight Logbook Army is free to download, with in-app purchases available.
Is SDT Calculator 速距時計算機 free?
SDT Calculator 速距時計算機 is free to download, with no in-app purchases.
Do Flight Logbook Army or SDT Calculator 速距時計算機 have ads?
Neither Flight Logbook Army nor SDT Calculator 速距時計算機 shows ads.
Which is updated more often, Flight Logbook Army or SDT Calculator 速距時計算機?
Flight Logbook Army ships an update every 5 weeks, and SDT Calculator 速距時計算機 daily. Most recently, Flight Logbook Army was updated on November 3, 2026 and SDT Calculator 速距時計算機 on October 24, 2026.

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