# ADP vs Aircraft

The clearest difference is price: Aircraft at $1.99 against ADP's $10.99. Aircraft also leads on update cadence (every 6 months vs every 39 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

ADP costs $10.99 and Aircraft $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ADP ships an update every 39 months, Aircraft every 6 months. The most recent releases landed on November 10, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | ADP | Aircraft |
| --- | --- | --- |
| Price | $10.99 | **$1.99** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/adp-aviation-dictionary-prem/id1408981639/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 6 months** |
| Monetization | Paid | — |
| Size | 70 MB | 29 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Raj Kumar](https://appshunter.io/developer/1037581682) | [MSC Computer Vertriebs-Gesellschaft mbH](https://appshunter.io/developer/1568290326) |

## What reviewers say

### ADP

[App page](https://appshunter.io/ios/app/adp-aviation-dictionary-prem/id1408981639)

This comprehensive aviation dictionary provides quick reference for pilots, technicians, and engineers. It defines over 16,500 terms, abbreviations, and phrases with illustrations, and works offline.

**Highlights:** Offline access, 16,500+ aviation terms, 700+ illustrations, Word/Abbreviation searching, Bookmarking, Text-to-speech pronunciation, Word of the Day

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

**In-app purchases:** none


### Aircraft

[App page](https://appshunter.io/ios/app/aircraft-data/id1659814670)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ADP free?

ADP costs $10.99, with no in-app purchases.

### Is Aircraft free?

Aircraft costs $1.99, with no in-app purchases.

### Do ADP or Aircraft have ads?

Neither ADP nor Aircraft shows ads.

### Which is updated more often, ADP or Aircraft?

ADP ships an update every 39 months, and Aircraft every 6 months. Most recently, ADP was updated on November 10, 2026 and Aircraft on November 7, 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.*