# ePerf vs Nimet

The clearest difference is device support: Nimet at 3 against ePerf's 1. Nimet also leads on iOS requirement (14.0 vs 17.0). On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ePerf | Nimet |
| --- | --- | --- |
| 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 2 months |
| Monetization | Free | — |
| Size | 56 MB | 20 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [EMBRAER S.A.](https://appshunter.io/developer/507436833) | [Enver Asanov](https://appshunter.io/developer/1849421715) |

## 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

**Features:** Vision Pro support

**In-app purchases:** none


### Nimet

[App page](https://appshunter.io/ios/app/nimet/id6754642283)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ePerf free?

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

### Is Nimet free?

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

### Do ePerf or Nimet have ads?

Neither ePerf nor Nimet shows ads.

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

ePerf ships an update every 2 months, and Nimet every 2 months. Most recently, ePerf was updated on September 30, 2026 and Nimet on October 10, 2026.

---

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