Comparison

CrewAlert vs Onboard Performance Tool

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

Head to head
About

CrewAlert

This app helps airline professionals and crew manage fatigue risk by predicting and analyzing alertness levels. It offers tools for proactive and reactive fatigue reporting, risk reduction, and data collection, built on a scientific alertness model.

Highlights
  • Predictive fatigue analysis
  • Proactive fatigue data collection
  • Simplified fatigue reporting
  • Context-sensitive fatigue mitigation
  • Alertness prediction model
  • Sleep diary and data collection
  • What-if scenario planning
Features
Read full description

CrewAlert is the leading mobile app for fatigue risk management for airline safety professionals, crew scheduling departments and airline crew. CrewAlert assists fulfilling vital parts of the ICAO requirements on a FRMS: - Predictive: Help crew and crew schedulers compare and identify upcoming fatiguing flight duties. - Proactive. Assists safety departments to efficiently collect fatigue data from your operation – so called fatigue surveys. - Reactive. Greatly simplifies fatigue reporting for crew but also for safety departments. - Risk reduction: Built-in context sensitive fatigue mitigation functionality for crew. CrewAlert contains a lot of functionality, but please note that some parts are unlocked only conditioned a paid-for subscription. Such functionality is marked with an asterisk (*) below. --- As part of a joint safety initiative, Boeing and Jeppesen have been developing tools for allowing better management of alertness and fatigue. CrewAlert is the first app designed specifically to help airlines and their crews manage alertness and fatigue. Built on the Boeing Alertness Model (BAM), a mathematical prediction model of alertness, the CrewAlert app puts scientific knowledge in the palm of your hand. Please Note: This application is designed for professional pilots and the airlines that they work for. Before you purchase, please read this description in full as well as the Application License Agreement to see if CrewAlert is for you. For Everyone: - CrewAlert provides the functionality of much more expensive alertness modeling products at a fraction of the cost. - While CrewAlert is designed with flight deck and cabin crews in mind, it is applicable to any 24/7 operation where human performance is crucial to safety. For Crew: - Prediction of future alertness levels from schedule information, prior sleep and personal settings - creating risk awareness - Allows for creation of what-if scenarios - Allows for entry of sleep diaries of either actual or planned sleep, which can be used to investigate the effectiveness of potential sleep strategies. - Allows for collection of sleep (also via Apple Health*) and alertness data for own use, to learn over time what strategies work best. - Built-in fatigue mitigation strategies* - Efficient fatigue reporting* - Participate in fatigue data collection - Alerts and predictions also on Apple Watch* - Acclimatisation advice - Estimated body clock time* For Crew Schedulers: - Investigate likely effect on crew members from different scheduling options - Investigate common causes of recurring problems in schedules, and to consider alternatives - Simple import of roster data and sharing of scenarios* For Airline Safety Officers: - Efficient modelling of fatigue reports, incidents and accidents in multiple scenarios* - Analysis mode for investigating fatigue causes* - Analysis of collected fatigue data via efficient import* - Import and share data also via iCloud Drive* - Detailed fatigue reports, received from CrewAlert, can be imported and are pre-modelled using BAM, reducing manual work.* *) The paid for subscription-version of CrewAlert unlocks the following functionality; integration with Apple Health, use of iCould Drive, scenarios, fatigue mitigation strategies, roster import, analysis view, day/night theme, local light conditions and display of estimated body-clock time.

About

Onboard Performance Tool

This application enables flight crews and ground personnel to perform real-time performance calculations for flights. It provides fast and precise data for takeoff, landing, and weight and balance, accounting for various environmental and operational factors.

Highlights
  • Real-time performance calculations
  • Takeoff analysis
  • Landing analysis
  • Weight and balance information
  • Accounts for weather and runway conditions
  • Corrects for pressure variation and MEL items
Read full description

*** This application requires configuration files, performance and other databases, available separately. Contact your Boeing representative for details. *** The Onboard Performance Tool (OPT) permits flight crews and ground personnel to perform real-time calculations based on current weather and runway conditions, while adhering to company and regulatory policies and procedures. The Onboard Performance Tool provides self-planning capability through fast and precise calculations. It allows flight crews to calculate the takeoff analysis, landing analysis, and weight and balance information. Instant and accurate calculations save time by correcting for pressure variation, runway conditions, engine bleeds and Minimum Equipment List (MEL) items.

Screenshots

CrewAlert4 screens

Verdict

The call

The clearest difference is rating: CrewAlert at 4.0 against Onboard Performance Tool's 3.5. CrewAlert also leads on update cadence (every 2 months vs every 6 months) and review sentiment (25% vs 14%). Onboard Performance Tool's advantage is in-app purchases (none vs 2) and ratings volume (17 vs 2). On price and ads 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. CrewAlert sells 2 in-app purchases, starting at $1.99 per month. Onboard Performance Tool asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

CrewAlert holds the better App Store score, 4.0 against 3.5. That said, the two scores are not equally well evidenced: Onboard Performance Tool has 17 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 25% of CrewAlert's written reviews are positive against 14% of Onboard Performance Tool's.

UpkeepUpdate frequency

CrewAlert ships an update every 2 months, Onboard Performance Tool every 6 months. The most recent releases landed on August 30, 2026 and July 1, 2026 respectively.

Scorecard8 real differences · 2 level
CrewAlert versus Onboard Performance Tool: the parameters behind the verdict, then further details
ParameterCrewAlertOnboard Performance Tool
PriceFreeFree
Rating4.0 (2 ratings) — better3.5 (17 ratings)
Positive reviews25.0% of reviews — better13.5% of reviews
Number of ratings217 — better
Update frequencyEvery 2 months — betterEvery 6 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPad
Requires iOS15.6 — better17.6
Further details — not scored
Size34 MB42 MB
Age rating4+4+
DeveloperJeppesen Systems ABThe Boeing Company

Customer experience

CrewAlert

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews12 reviews
Positive25.0%
Neutral33.3%
Negative41.7%

Onboard Performance Tool

All ratings18 ratings
Positive55.6%
Neutral5.6%
Negative38.9%
Written reviews37 reviews
Positive13.5%
Neutral8.1%
Negative78.4%

In-app purchases

2 purchases

CrewAlert

Subscriptions2
  • CrewAlert (1 Month)$1.991 Month
  • CrewAlert Yearly (12 months)$19.991 Year
None

Onboard Performance Tool

No in-app purchases

Questions

Is CrewAlert free?
CrewAlert is free to download, with in-app purchases available.
Is Onboard Performance Tool free?
Onboard Performance Tool is free to download, with no in-app purchases.
Which has better reviews, CrewAlert or Onboard Performance Tool?
CrewAlert is rated higher. CrewAlert averages 4.0 out of 5 from 2 ratings, while Onboard Performance Tool averages 3.5 from 17 ratings.
Do CrewAlert or Onboard Performance Tool have ads?
Neither CrewAlert nor Onboard Performance Tool shows ads.
Which is updated more often, CrewAlert or Onboard Performance Tool?
CrewAlert ships an update every 2 months, and Onboard Performance Tool every 6 months. Most recently, CrewAlert was updated on August 30, 2026 and Onboard Performance Tool on July 1, 2026.

Other comparisons