---
title: "Average ISA Deviation — App Overview"
url: https://marlvel.ai/apps/average-isa-deviation
category: Navigation
developer: Juan Mauricio Padilla Villarreal
platforms: ios, android
rating: 3.5 (2 ratings)
pricing: paid
report_level: overview
generated: 2026-04-30
last_verified: "2026-04-30T14:59:01.082Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** This is a niche, pilot-developed tool for automating specific FMC descent data entry, though current user feedback indicates potential concerns regarding calculation accuracy.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Navigation |
| Rating | 3.5 ★ (2) |
| Pricing | paid |
| Platforms | iOS, Android |
| Latest Version (iOS) | 3.1 |
| Latest Version (Android) | 1.1.1 |
| Developer | Juan Mauricio Padilla Villarreal |

<!-- SECTION: Summary -->
## What is Average ISA Deviation?

Average ISA Deviation is a specialized utility designed to assist pilots in calculating average ISA temperature deviations for FMC descent forecasting. It aims to streamline cockpit workflows by automating manual calculations for Boeing 737 and similar aircraft.

<!-- SECTION: Key Features -->
## Key Features

- **ISA Deviation Calculation**: Provides a fast and precise method to calculate average ISA temperature deviation for descent planning.
- **Offline Functionality**: Operates entirely without an internet connection, making it suitable for use in cockpit environments.
- **Workload Reduction**: Simplifies manual flight planning tasks to minimize potential errors during the descent phase.

<!-- SECTION: Target Audience -->
## Who is it for?

Professional pilots operating Boeing 737 (NG/MAX) and similar commercial aircraft.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/average-isa-deviation/id630933637?uo=4)
- [Google Play](https://play.google.com/store/apps/details?id=com.advicepharma.lisa&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/apps/average-isa-deviation)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/average-isa-deviation).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*