# ePerf vs Powerloader

The clearest difference is update cadence: ePerf at every 2 months against Powerloader's every 6 months. Powerloader's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 15.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ePerf ships an update every 2 months, Powerloader every 6 months. The most recent releases landed on July 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | ePerf | Powerloader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/eperf/id586166665/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free | — |
| Size | 53 MB | 163 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [EMBRAER S.A.](https://appshunter.io/developer/507436833) | [Flyware a Islandi ehf](https://appshunter.io/developer/881413453) |

## What reviewers say

### ePerf

[App page](https://appshunter.io/ios/app/eperf/id586166665)

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.

**Highlights:** 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

**In-app purchases:** none


### Powerloader

[App page](https://appshunter.io/ios/app/powerloader/id1616493294)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ePerf free?

ePerf is free to download, with no in-app purchases.

### Is Powerloader free?

Powerloader is free to download, with no in-app purchases.

### Do ePerf or Powerloader have ads?

Neither ePerf nor Powerloader shows ads.

### Which is updated more often, ePerf or Powerloader?

ePerf ships an update every 2 months, and Powerloader every 6 months. Most recently, ePerf was updated on July 17, 2026 and Powerloader on September 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*