Holdover Time vs Duty+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Holdover Time
Calculate essential deicing holdover times with the latest FAA guidelines for the 2025-2026 winter season. This tool provides accurate calculations for various fluid types and includes a real-time countdown timer for enhanced situational awareness.
- Up-to-date FAA Holdover Time Guidelines (2025-2026)
- Calculations for Fluid Types II, III, & IV
- Customized notes for specific fluids
- Intuitive interface for aviation professionals
- Real-time Holdover Time Countdown Timer
- Ad-free experience
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Holdover Time Calculator – FAA Winter 2025-2026 Stay prepared this winter with the latest FAA Holdover Time Guidelines for the 2025-2026 season. Our app makes it easy to calculate Holdover Times (HOT) and Allowance Times in just a few steps. Key Features: Up-to-Date FAA Tables: Includes the official FAA Holdover Time Guidelines for Winter 2025-2026. Fluid Types II, III & IV: Unlock full HOT tables with detailed fluid performance data. Customized Notes: Get tailored guidance and notes for the specific fluids and tables you are using. Simple & Reliable: Quickly calculate HOT with an intuitive interface designed for aviation professionals. Always Current: Updated regularly to reflect the most recent FAA revisions. Ad-Free Experience: No distractions, just the tools you need. New Feature: Added a Holdover Time Countdown Timer — visually track your deicing holdover period in real time, with color indicators and pause/resume controls for improved situational awareness. Perfect For: Pilots, dispatchers, ground crews, and aviation professionals who rely on accurate de/anti-icing guidance for safe operations. Take the guesswork out of winter operations. Download now and access the latest FAA HOT tables for 2025-2026 — with continuous updates as new data becomes available. Terms of Use (EULA): https://www.skyhightex.com/hot-privace-policy-eula/
Duty+
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The one number that matters, right now: how much duty have you got left today? Not a logbook. Not a spreadsheet. Duty+ answers that question the moment you need it — mid-duty, on standby, wondering if discretion's coming into play. ON THE DAY Live countdown to your latest on-chocks time Called from standby? Duty+ rolls straight into your duty with the reduction already applied Split duty, minimum rest, accommodation thresholds — handled automatically Land, log your times, know your earliest next report instantly WHAT DUTY DO I HAVE REMAINING Real rolling 7/14/28-day totals, so today's numbers show exactly what's left for tomorrow JUST OPEN IT No account, no login, no setup Your duty record stays on your device — nothing sent anywhere, nothing shared High-contrast mode for bright cockpit light Reference tool only — always confirm against your Operator's approved FTL scheme. Built by the team behind High Performance Pilot.
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Verdict
The clearest difference is in-app purchases: Duty+ at none against Holdover Time's 3. On price, update cadence, 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
Both are free to download. Holdover Time sells 3 in-app purchases, starting at $4.99 per year. Duty+ asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.
| Parameter | Holdover Time | Duty+ |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.6 — better | 17.5 |
| Further details — not scored | ||
| Size | 2 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Mohamed Farhadi | Sim2Sky Ltd |
In-app purchases
Holdover Time
- Hold Over Time Calculator$4.991 Year
- Hold Over Time CalculatorFree
- Holdover Time - Life Time$24.99
Duty+
No in-app purchases









