# DP vs B777Companion

The clearest difference is update cadence: B777Companion at weekly against DP's every 3 months. DP's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

DP ships an update every 3 months, B777Companion weekly. The most recent releases landed on September 28, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | DP | B777Companion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/b777companion/id6800491068/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Paid |
| Size | 27 MB | 158 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Davy Raitt](https://appshunter.io/developer/1795318281) | [Herbert Kats](https://appshunter.io/developer/1827081933) |

## What reviewers say

### DP

[App page](https://appshunter.io/ios/app/dp-800-sql-ai-developer-prep/id6772457661)

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

**In-app purchases:** none


### B777Companion

[App page](https://appshunter.io/ios/app/b777companion/id6800491068)

An offline-first technical study app for Boeing 777 pilots. It features interactive cockpit panels, ATA-structured systems study, and an FMS/CDU trainer. Designed for classroom and self-study, it covers various 777 models.

**Highlights:** Interactive cockpit panels, ATA-structured systems study, Alert/EICAS study pages, Interactive synoptics and schematics, Study FMS/CDU trainer, Multiple 777 model support

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

**In-app purchases:** none


## Frequently asked questions

### Is DP free?

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

### Is B777Companion free?

B777Companion is free to download, with no in-app purchases.

### Do DP or B777Companion have ads?

Neither DP nor B777Companion shows ads.

### Which is updated more often, DP or B777Companion?

DP ships an update every 3 months, and B777Companion weekly. Most recently, DP was updated on September 28, 2026 and B777Companion on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*