Onboard Performance Tool vs ePerf
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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*** 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.
ePerf
This application provides pilots with real-time aircraft performance calculations for any flight phase, offline. It aims to reduce cockpit workload, save fuel through takeoff thrust optimization, and eliminate paper-based materials for a more economical and efficient flight operation.
- Offline flight performance calculations
- Takeoff and landing performance
- Reduced paper cockpit materials
- Engine savings through thrust optimization
- Quick performance calculations
- Support for Embraer Commercial aircraft
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Get performance calculations in any phase of flight, anytime, anywhere! For airlines that seek for an economical paperless cockpit solution the ePerf is a tablet application that reduces costs and workload, and improves the aircraft performance. Our ePerf is fully stand-alone, calculating takeoff and landing performance offline in any phase of flight, anytime and anywhere. Benefits: - Less paper! Reduces or replaces paper-based material, saving weight in the cockpit; - Improved performance compared to printed performance books; - Engines Savings due to Takeoff Thrust Optimization - Saves time: quick performance calculations and lower workload; - Clean interface: straight-forward for pilots; - Analysis run offline: no Internet connection needed; - Support for all Embraer Commercial aircraft models; - Easy to update. Requirements: - Airport database compatible with ECAFM or IATA SCAP ADIS v1.0 (Airport database updates either via iTunes or wirelessly) Data enclosed in the application is provided for demonstration purposes only and shall not be used for operational purposes. Please contact Embraer for further information (opereng@embraer.com.br).
Verdict
The clearest difference is rating: Onboard Performance Tool at 3.5 against ePerf's 3.0. Onboard Performance Tool also leads on ratings volume (17 vs 2). ePerf's advantage is update cadence (every 2 months vs every 6 months). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Onboard Performance Tool holds the better App Store score, 3.5 against 3.0. 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.
Onboard Performance Tool ships an update every 6 months, ePerf every 2 months. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.
| Parameter | Onboard Performance Tool | ePerf |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (17 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 13.5% of reviews | — |
| Number of ratings | 17 — better | 2 |
| Update frequency | Every 6 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPad | iPad |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 42 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | The Boeing Company | EMBRAER S.A. |
Customer experience
Onboard Performance Tool
ePerf
In-app purchases
Onboard Performance Tool
No in-app purchases
ePerf
No in-app purchases
Questions
Is Onboard Performance Tool free?
Is ePerf free?
Which has better reviews, Onboard Performance Tool or ePerf?
Do Onboard Performance Tool or ePerf have ads?
Which is updated more often, Onboard Performance Tool or ePerf?
Other comparisons
