# ePerf

> Offline aircraft performance calculations for pilots, reducing workload and improving efficiency. (iPhone/iPad app by EMBRAER S.A..)

- Source: https://appshunter.io/ios/app/eperf/id586166665 (this page in markdown: same URL + `.md`)
- Developer: [EMBRAER S.A.](https://appshunter.io/developer/507436833)
- Category: Business, Productivity
- Price: Free
- Rating: 3.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 15.0 · 53 MB
- Languages: English
- Released: 2012-12-15
- Data updated: 2026-07-17
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/eperf/id586166665/reviews.md

## What is ePerf?

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).

## Key features

- 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


## Frequently asked questions about ePerf

### What is ePerf?

ePerf is a tablet application designed for pilots to perform aircraft performance calculations offline. It helps reduce cockpit workload, save on fuel costs, and transition to a paperless cockpit environment.

### Does ePerf work offline?

Yes, ePerf is fully stand-alone and can perform takeoff and landing performance calculations offline in any phase of flight, anytime and anywhere, without needing an internet connection.

### What aircraft models does ePerf support?

ePerf provides support for all Embraer Commercial aircraft models, offering tailored performance calculations for these specific aircraft.

### How does ePerf help save money?

ePerf helps airlines save money by reducing paper-based materials (saving weight), improving aircraft performance compared to printed books, and optimizing takeoff thrust to save on engine costs.

### What are the requirements for ePerf?

ePerf requires an airport database compatible with ECAFM or IATA SCAP ADIS v1.0. Airport database updates can be managed either via iTunes or wirelessly.

### Is ePerf available on multiple devices?

Based on the provided data, ePerf is currently supported on iPads, indicating it is designed for tablet use.

### How often is ePerf updated?

The latest version of ePerf is 9.4.1, and it was last updated on April 22, 2026. This suggests a history of regular updates to maintain functionality and compatibility.

### Does ePerf have ads?

No, ePerf does not contain advertisements. It is a free application designed to provide a clean and straightforward interface for pilots without ad interruptions.

## Version history (last 5 releases)

### 9.5.0 — 2026-07-01

New Feature:
   * Remove applied MEL items directly from the Applied MEL Items popover in the top tab bar.

Improvements:
   * For EMBRAER 190 and EMBRAER 195:
        * The Results Card shows the Go Around Climb Gradient (OEI) output when the MEL 30-21-01 ENGINE ANTI-ICE VALVES is applied.
   * For E-JETS E1 and E2:
        * MEL items related to the All Engines Climb Gradient (AEO) calculation are displayed only when the AEO calculation option is enabled in ePerfManager.

General Updates:
    * Added performance calculations for UK CAA certification.

Minor Bug Fixes.

### 9.4.1 — 2026-04-22

V9.4.1 (22-Apr-2026)
 
This update includes mandatory changes required by Apple to keep the app available on the App Store. No new features or visual changes are included.

### 9.3.0 — 2026-02-19

V9.3.0 (19-Feb-2026)
* General Updates:
    * CDL Items for E-Jets E2:
        * New Items:
            * 33-40-03 - Aft Navigation/Strobe Light Lens
            * 33-50-25 - External Overwing Emergency Light Lens
            * 33-50-29 - External Exit Door Emergency Light Lens
            * 34-51-02 - DME Antennas
            * 53-03-56 - Oxygen Access Door (132 AR)
            * 53-31-02-02 - Tail Cone Access Panels (351BL/351BR)
            * 57-45-11 - Slat 5 End Seal
            * 57-51-02-01 - Inboard Flap Lateral Seals
            * 57-51-02-02 - Outboard Flap Lateral Seals
            * 57-52-08-03 - Inboard Flap Track Access Panels – Plate Shim
            * 57-55-07-05 - Outboard Flap Track 2 and 3 Access Panels – Plate Shim
            * 57-55-07-06 - Outboard Flap Track 2 and 3 Fairings - Cone Fairings
            * 57-65-00 - Aileron Inboard and Outboard Fairings
            * 57-68-00 - Aileron Shroud Seals
            * Only for E190-E2:
                * 57-30-25 - Composite Wing Tip Fairing
                * 57-49-02-01 - Wing Leading Edge Shutter Doors
            * Only for E195-E2:
                * 57‑49‑02‑02 - Wing Leading Edge Shutter Doors – Slat 1
        * Updated item:
            * 57-59-00-01 - Lower Flap Shroud Seals

### 9.2.0 — 2026-01-31

New Features:

   * Speed Additive default value available on ePerfManager for Inflight Landing.
   * Inflight Landing results for STALL PROT ICE SPEED are displayed regardless of the Go Around Climb Gradient (OEI).

Improvements:
   * Takeoff Remarks are displayed for each Intersection.
   * Steep Approach is automatically set for London City Airport.
   * T/O Results Card better reflecting the MCDU pages.

Bug Fixes.

### 9.1.0 — 2025-11-07

General Updates:
* MMEL 30-21-01 updated for E-Jets E1 to comply with the required Minimum Climb Gradient according to the DDPM manuals below:
   * ANAC - DDPM 4600-200 Revision 7
   * EASA - DDPM 4600-100 Revision 9
   * FAA - DDPM 4600-001 Temporary Revision 5.2
   * UK CAA - DDPM 4600-400 Temporary Revision 0.2

Improvements:
   * Updated the ASD rounding logic shown in the Results Card.

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## More apps by EMBRAER S.A.

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All apps by EMBRAER S.A.: https://appshunter.io/developer/507436833

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-17.*