# 8Flight Aviator EFB vs Kaicast

The clearest difference is in-app purchases: Kaicast at none against 8Flight Aviator EFB's 7. Kaicast also leads on rating (5.0 vs 4.6) and review sentiment (100% vs 71%). 8Flight Aviator EFB's advantage is ratings volume (82 vs 1) and chart position (#110 vs unranked). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 8Flight Aviator EFB sells 5 in-app purchases, starting at $5.99 per month. Kaicast asks for nothing beyond the download.

Kaicast holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: 8Flight Aviator EFB has 82 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 71% of 8Flight Aviator EFB's written reviews are positive against 100% of Kaicast's.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 8Flight Aviator EFB | Kaicast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (82 ratings)](https://appshunter.io/ios/app/8flight-aviator-efb/id6471322281/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kaicast/id6792198297/reviews)** |
| Number of ratings | **82** | 1 |
| Positive reviews | 70.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Subscription | **Free** |
| Best chart rank | **#110** | — |
| Size | 202 MB | 93 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Eight Flight](https://appshunter.io/developer/1715092060) | [Kaicast](https://appshunter.io/developer/6792198299) |

## What reviewers say

### 8Flight Aviator EFB

[App page](https://appshunter.io/ios/app/8flight-aviator-efb/id6471322281)

**Currently charting:** #110 Top Grossing · Weather (US App Store)

This app provides advanced flight planning with comprehensive fuel and FBO pricing, graphical weather forecasts, and detailed airport information. It offers offline access and aims to save pilots significant time on trip planning.

**Highlights:** Complete fuel and FBO pricing, Graphical aviation weather forecasts, Fast 4D advanced flight planning, Offline access to data, Airport restaurant and hotel information, Flight plan filing and activation

**Features:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 8Flight Data | $5.99 | per month |
| 8Flight Data | $59.99 | per year |
| 8Flight Aviator | $99.99 | per year |
| aviator | $129.99 | per year |
| 8Flight Aviator + Pro Logbook | $179.99 | per year |


### Kaicast

[App page](https://appshunter.io/ios/app/kaicast/id6792198297)

This app provides detailed ocean forecasts for Hawaii, focusing on conditions crucial for divers and water enthusiasts. It offers spot-specific predictions for visibility, surge, tide, swell, and wind, along with hazard awareness and a personal dive log.

**Highlights:** Spot-specific ocean conditions, Underwater visibility forecasts, Surge, tide, swell, and wind predictions, Hazard awareness alerts, Personal dive log, 10-day forecast horizon

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

**In-app purchases:** none


## Frequently asked questions

### Is 8Flight Aviator EFB free?

8Flight Aviator EFB is free to download, with in-app purchases available.

### Is Kaicast free?

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

### Which has better reviews, 8Flight Aviator EFB or Kaicast?

Kaicast is rated higher. 8Flight Aviator EFB averages 4.6 out of 5 from 82 ratings, while Kaicast averages 5.0 from 1 ratings.

### Do 8Flight Aviator EFB or Kaicast have ads?

Neither 8Flight Aviator EFB nor Kaicast shows ads.

### Which is updated more often, 8Flight Aviator EFB or Kaicast?

8Flight Aviator EFB ships an update weekly, and Kaicast weekly. Most recently, 8Flight Aviator EFB was updated on November 8, 2026 and Kaicast on October 31, 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.*