# Standard Atmosphere 1976 — OPie SoftwareDev

> Calculator for the 1976 U.S. Standard Atmosphere model. (iPhone/iPad app by Andrew Swenson.)

- Source: https://appshunter.io/ios/app/standard-atmosphere-1976/id1585813154 (this page in markdown: same URL + `.md`)
- Developer: [Andrew Swenson](https://appshunter.io/developer/1558926423)
- Category: Utilities, Education
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 14.5 · 8 MB
- Languages: American English
- Released: 2021-09-20
- Data updated: 2026-06-13
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/standard-atmosphere-1976/id1585813154/reviews.md

## What is Standard Atmosphere 1976?

This calculator models the U.S. Standard Atmosphere as published in 1976.  It models altitudes from 0 to 85 kilometers and represents average year-round conditions at mid-latitudes during periods of average solar activity.

## Key features

- Models U.S. Standard Atmosphere 1976
- Calculates altitudes from 0 to 85 km
- Represents average mid-latitude conditions
- Accounts for average solar activity

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |



## Frequently asked questions about Standard Atmosphere 1976

### What is Standard Atmosphere 1976?

Standard Atmosphere 1976 is a calculator that models the U.S. Standard Atmosphere as published in 1976. It provides atmospheric data for altitudes up to 85 kilometers.

### What altitudes does Standard Atmosphere 1976 cover?

The calculator models altitudes from 0 to 85 kilometers. This range covers a significant portion of the Earth's atmosphere.

### What conditions does Standard Atmosphere 1976 represent?

It represents average year-round conditions at mid-latitudes during periods of average solar activity. This provides a baseline for atmospheric calculations.

### Is Standard Atmosphere 1976 available on Android?

Based on the provided data, Standard Atmosphere 1976 is available for iPhone and iPad. It is not specified if an Android version exists.

### How often is Standard Atmosphere 1976 updated?

The app was last updated on November 13, 2021, with version 1.2. The release date was September 20, 2021, indicating it receives occasional updates.

### What is the age rating for Standard Atmosphere 1976?

Standard Atmosphere 1976 has an age rating of 4+. This suggests it is suitable for a wide range of users, including younger individuals.

### Does Standard Atmosphere 1976 have ads?

The provided data does not specify if Standard Atmosphere 1976 contains advertisements. However, it does mention in-app purchases.

### What is the user rating for Standard Atmosphere 1976?

Standard Atmosphere 1976 has a perfect rating of 5.0 stars based on 1 review. This indicates a highly positive reception from its users.

## Version history (last 3 releases)

### 1.2 — 2021-11-13

-improved layout especially on the smallest iPhones
-changed in-app purchase to remove advertising to take effect immediately without restarting the app
-temperature offset now displays either celsius or Fahrenheit but not both simultaneously
-fixed strange layout behavior when app was launching from the background

### 1.1 — 2021-11-11

-added: swipe down to hide keyboard and display the geometric altitude slider.
-added: circles on graph to show the calculated pressure and temperature
-added: IAP to remove advertising
-fixed: imperial calculations
-fixed: pressure axis on graph
-changed: imperial Dynamic Viscosity units to lbf-sec/square inch

### 1.0 — 2021-09-20

No release notes.

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All apps by Andrew Swenson: https://appshunter.io/developer/1558926423

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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 2026-06-13.*