Comparison

TRSS Reaction vs Holdover Time

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

Head to head
About

TRSS Reaction

This app acts as a panic button, instantly alerting a control room to dispatch emergency services like fire, armed response, or ambulance. It also serves as a comprehensive security management platform for testing alarms, managing access, and providing holiday instructions.

Highlights
  • Instant emergency dispatch
  • Panic button functionality
  • Security management platform
  • Alarm testing and management
  • User access control
  • Holiday instruction feature
Read full description

You never know when an emergency situation might present itself. Who do you call? Where do you go to for help? Answer: You just use the TRSS Reaction Panic app. By using our panic app, you will send a signal directly to our control room who will then immediately dispatch the emergency personnel requested ñ whether the fire department, armed response or an ambulance ñ if not all. Our app not only functions as a panic button but also as a complete security management platform which you can use to test your alarms, manage your alarms on all your properties, managing the people who have access to your security system, give holiday instructions and much more.

About

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.

Highlights
  • 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
Features
Read full description

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/

Screenshots

TRSS Reaction4 screens
Holdover Time1 screens

Verdict

The call

The clearest difference is in-app purchases: TRSS Reaction at none against Holdover Time's 3. TRSS Reaction also leads on iOS requirement (13.0 vs 16.6). Holdover Time's advantage is update cadence (every 4 weeks vs every 2 months). On price, review sentiment, 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. Holdover Time sells 3 in-app purchases, starting at $4.99 per year. TRSS Reaction asks for nothing beyond the download.

UpkeepUpdate frequency

TRSS Reaction ships an update every 2 months, Holdover Time every 4 weeks. The most recent releases landed on June 25, 2026 and July 20, 2026 respectively.

Scorecard4 real differences · 6 level
TRSS Reaction versus Holdover Time: the parameters behind the verdict, then further details
ParameterTRSS ReactionHoldover Time
PriceFreeFree
Rating—1.0 (1 ratings) — better
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 2 monthsEvery 4 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better16.6
Further details — not scored
Size50 MB2 MB
Age rating4+4+
DeveloperOryx Systems CCMohamed Farhadi

Customer experience

TRSS Reaction

Written reviews9 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Holdover Time

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

TRSS Reaction

No in-app purchases

3 purchases

Holdover Time

Subscriptions1
  • Hold Over Time Calculator$4.991 Year
One-time2
  • Hold Over Time CalculatorFree
  • Holdover Time - Life Time$24.99

Questions

Is TRSS Reaction free?
TRSS Reaction is free to download, with no in-app purchases.
Is Holdover Time free?
Holdover Time is free to download, with in-app purchases available.
Do TRSS Reaction or Holdover Time have ads?
Neither TRSS Reaction nor Holdover Time shows ads.
Which is updated more often, TRSS Reaction or Holdover Time?
TRSS Reaction ships an update every 2 months, and Holdover Time every 4 weeks. Most recently, TRSS Reaction was updated on June 25, 2026 and Holdover Time on July 20, 2026.

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