# AFI Explorer vs 51st Force Support Squadron

The clearest difference is price: 51st Force Support Squadron at Free against AFI Explorer's $4.99. 51st Force Support Squadron also leads on iOS requirement (15.6 vs 26.0). AFI Explorer's advantage is chart position (#40 vs unranked). On update cadence, ads, in-app purchases and device support there is nothing between them.

51st Force Support Squadron is free to download; AFI Explorer costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AFI Explorer ships an update fortnightly, 51st Force Support Squadron every 3 weeks. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | AFI Explorer | 51st Force Support Squadron |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.8 (245 ratings)](https://appshunter.io/ios/app/afi-explorer/id1564964107/reviews)** | — |
| Number of ratings | **245** | — |
| Positive reviews | 59.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free | — |
| Best chart rank | **#40** | — |
| Size | 7 MB | 135 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [William Walker](https://appshunter.io/developer/1492951703) | [Straxis Technology](https://appshunter.io/developer/342780975) |

## What reviewers say

### AFI Explorer

[App page](https://appshunter.io/ios/app/afi-explorer/id1564964107)

**Currently charting:** #40 Top Paid · Reference (US App Store)

Access and search Air Force publications on your Apple devices. Get AI-powered answers, save favorites, and always have the latest versions of documents. Designed for Air Force personnel.

**Highlights:** AI-powered answers, Comprehensive publication library, Smart search functionality, Personal favorites sync, Automatic synchronization, Modern iOS/macOS design

**In-app purchases:** none


### 51st Force Support Squadron

[App page](https://appshunter.io/ios/app/51st-force-support-squadron/id6760458868)

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

**In-app purchases:** none


## Frequently asked questions

### Is AFI Explorer free?

AFI Explorer costs $4.99, with no in-app purchases.

### Is 51st Force Support Squadron free?

51st Force Support Squadron is free to download, with no in-app purchases.

### Do AFI Explorer or 51st Force Support Squadron have ads?

Neither AFI Explorer nor 51st Force Support Squadron shows ads.

### Which is updated more often, AFI Explorer or 51st Force Support Squadron?

AFI Explorer ships an update fortnightly, and 51st Force Support Squadron every 3 weeks. Most recently, AFI Explorer was updated on October 17, 2026 and 51st Force Support Squadron on October 8, 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.*