# AEROPERS vs SubStandard

The clearest difference is rating: SubStandard at 5.0 against AEROPERS's 3.0. AEROPERS's advantage is update cadence (every 2 months vs every 7 months). On price, review sentiment, ratings volume and ads there is nothing between them.

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

SubStandard holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

AEROPERS ships an update every 2 months, SubStandard every 7 months. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | AEROPERS | SubStandard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/aeropers/id1349301845/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/substandard/id1513656520/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 216 MB | 33 MB |
| Requires iOS | 13.2 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [konoma GmbH](https://appshunter.io/developer/925313434) | [iService Ottner Röck](https://appshunter.io/developer/1413717324) |

## What reviewers say

### AEROPERS

[App page](https://appshunter.io/ios/app/aeropers/id1349301845)

This pilot companion app provides essential tools and information for members of the Pilot Association of Swiss International Airlines and Edelweiss Air. It offers news bulletins, flight time limitation calculations, and useful inflight tools like unit conversions.

**Highlights:** News bulletins, Live stream access, Flight time limitation calculation, Duty time verification, Inflight rest calculation, Unit conversions

**In-app purchases:** none


### SubStandard

[App page](https://appshunter.io/ios/app/substandard/id1513656520)

This aviation utility app simplifies applying cold temperature corrections for altitudes. It allows users to save frequently used altitude sets for rapid retrieval, enhancing efficiency in flight planning.

**Highlights:** Cold temperature corrections, Altitude set storage, Quick access to saved altitudes, Easy to use interface

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

**In-app purchases:** none


## Frequently asked questions

### Is AEROPERS free?

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

### Is SubStandard free?

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

### Which has better reviews, AEROPERS or SubStandard?

SubStandard is rated higher. AEROPERS averages 3.0 out of 5 from 2 ratings, while SubStandard averages 5.0 from 2 ratings.

### Do AEROPERS or SubStandard have ads?

Neither AEROPERS nor SubStandard shows ads.

### Which is updated more often, AEROPERS or SubStandard?

AEROPERS ships an update every 2 months, and SubStandard every 7 months. Most recently, AEROPERS was updated on October 21, 2026 and SubStandard on October 20, 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.*