# Blue Bay AR Map vs IDD / IADS

The clearest difference is update cadence: IDD / IADS at every 4 months against Blue Bay AR Map's every 20 months. Blue Bay AR Map's advantage is iOS requirement (11.0 vs 15.6). 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.

Blue Bay AR Map ships an update every 20 months, IDD / IADS every 4 months. The most recent releases landed on October 11, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Blue Bay AR Map | IDD / IADS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 4 months** |
| Size | 1.0 GB | 31 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blue Bay Golf Resorts N.V.](https://appshunter.io/developer/1491331209) | [Professional Dive Association Holding B.V.](https://appshunter.io/developer/1673748453) |

## What reviewers say

### Blue Bay AR Map

[App page](https://appshunter.io/ios/app/blue-bay-ar-map/id1491331210)

**Features:** macOS Compatibility

**In-app purchases:** none


### IDD / IADS

[App page](https://appshunter.io/ios/app/idd-iads/id1673748451)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Blue Bay AR Map free?

Blue Bay AR Map is free to download, with no in-app purchases.

### Is IDD / IADS free?

IDD / IADS is free to download, with no in-app purchases.

### Do Blue Bay AR Map or IDD / IADS have ads?

Neither Blue Bay AR Map nor IDD / IADS shows ads.

### Which is updated more often, Blue Bay AR Map or IDD / IADS?

Blue Bay AR Map ships an update every 20 months, and IDD / IADS every 4 months. Most recently, Blue Bay AR Map was updated on October 11, 2026 and IDD / IADS on October 18, 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.*