# Aviation Dictionary vs Stratos

Aviation Dictionary and Stratos both sit at 4.3 stars, but that hides the real split: 100% of Stratos's written reviews are positive against 40% of Aviation Dictionary's. Stratos also leads on update cadence (every 3 weeks vs every 4 months). Aviation Dictionary's advantage is ratings volume (18 vs 6). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Aviation Dictionary sells 3 in-app purchases, starting at $0.99 per 7 days and Stratos sells 7 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.3 for Aviation Dictionary against 4.3 for Stratos. Both are backed by a comparable volume of ratings — 18 and 6 respectively. Written reviews are what separate them: 40% of Aviation Dictionary's written reviews are positive against 100% of Stratos's.

Aviation Dictionary ships an update every 4 months, Stratos every 3 weeks. The most recent releases landed on October 5, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Aviation Dictionary | Stratos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (18 ratings)](https://appshunter.io/ios/app/aviation-dictionary/id1525345620/reviews) | **[4.3 (6 ratings)](https://appshunter.io/ios/app/stratos/id6476514857/reviews)** |
| Number of ratings | **18** | 6 |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 32 MB | 47 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Evans Mauta](https://appshunter.io/developer/1498111447) | [STRATOS AVIATION LLC](https://appshunter.io/developer/1726956086) |

## What reviewers say

### Aviation Dictionary

[App page](https://appshunter.io/ios/app/aviation-dictionary/id1525345620)

This app provides a comprehensive offline dictionary and reference for aviation terminology, including over 6000 words and abbreviations. It's designed for pilots, technicians, and aviation specialists to quickly access definitions, phonetic alphabets, Q-codes, and more. Features include search, bookmarking, and text-to-speech pronunciation.

**Highlights:** Offline access, 6000+ aviation words & abbreviations, Search functionality, Bookmarking, Text-to-speech pronunciation, Phonetic alphabet & Q-codes, Airline & airport information

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AvDic Pro - 1 Week | $0.99 | per 7 days |
| AvDic Pro - 1 Month | $2.99 | per month |
| AvDic Pro - 1 Year | $19.99 | per year |


### Stratos

[App page](https://appshunter.io/ios/app/stratos/id6476514857)

Discover new airports, log your flights, and connect with fellow pilots. This app offers interactive maps, flight tracking, performance stats, and a community feed for aviation enthusiasts.

**Highlights:** Interactive airport map, Flight logging and tracking, Pilot performance stats, Community feed, Airport discovery with filters, Flight journals and debriefing

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $6.99 | per month |
| Stratos Pro | $9.99 | per year |
| Pro | $34.99 | per 6 months |
| Pro | $59.99 | per year |
| 5 Historical Flight Credits | $3.99 | one-time |
| 10 Historical Flight Credits | $5.99 | one-time |
| 20 Historical Flight Credits | $9.99 | one-time |


## Frequently asked questions

### Is Aviation Dictionary free?

Aviation Dictionary is free to download, with in-app purchases available.

### Is Stratos free?

Stratos is free to download, with in-app purchases available.

### Which has better reviews, Aviation Dictionary or Stratos?

Stratos is rated higher. Aviation Dictionary averages 4.3 out of 5 from 18 ratings, while Stratos averages 4.3 from 6 ratings.

### Do Aviation Dictionary or Stratos have ads?

Both Aviation Dictionary and Stratos show ads.

### Which is updated more often, Aviation Dictionary or Stratos?

Aviation Dictionary ships an update every 4 months, and Stratos every 3 weeks. Most recently, Aviation Dictionary was updated on October 5, 2026 and Stratos on September 28, 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.*