# EFB vs Shantars Islands

The clearest difference is update cadence: EFB at monthly against Shantars Islands's every 74 months. On price, review sentiment, ads and in-app purchases there is nothing between them.

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

EFB ships an update monthly, Shantars Islands every 74 months. The most recent releases landed on October 7, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | EFB | Shantars Islands |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/efb-pro/id436659915/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **35.3% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 74 months |
| Monetization | Free | Free |
| Size | 7 MB | 197 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CAVU Companies](https://appshunter.io/developer/436659918) | [ALEXEY PLISKO](https://appshunter.io/developer/1522150879) |

## What reviewers say

### EFB

[App page](https://appshunter.io/ios/app/efb-pro/id436659915)

This app calculates critical aircraft performance data for takeoff and landing, offline. It includes runway and weather data, weight and balance calculations, and performance forecasting. Meets FAA, EASA, and JAR requirements.

**Highlights:** Offline aircraft performance calculations, International runway database, Real-time weather integration, Weight & Balance calculations, Performance forecasting, Supports turbine aircraft

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

**In-app purchases:** none


### Shantars Islands

[App page](https://appshunter.io/ios/app/shantars-islands/id1522150877)

Explore a remote archipelago with a comprehensive offline field atlas. Access detailed maps, 3D terrain, interactive stories, and an audio guide, all available without a mobile signal. Discover the history, wildlife, and geography of the islands.

**Highlights:** Detailed offline map, 3D terrain with 2D switch, Interactive stories with audio, Offline Russian audio guide, Wildlife and plant life sections, Full-screen photo viewing

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

**In-app purchases:** none


## Frequently asked questions

### Is EFB free?

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

### Is Shantars Islands free?

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

### Do EFB or Shantars Islands have ads?

Neither EFB nor Shantars Islands shows ads.

### Which is updated more often, EFB or Shantars Islands?

EFB ships an update monthly, and Shantars Islands every 74 months. Most recently, EFB was updated on October 7, 2026 and Shantars Islands 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.*