# Wow 4D+ vs Under the Bay

The clearest difference is rating: Under the Bay at 5.0 against Wow 4D+'s 4.2. Wow 4D+'s advantage is update cadence (every 3 weeks vs every 25 months) and ratings volume (6 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Under the Bay holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 6 and 2 respectively.

Wow 4D+ ships an update every 3 weeks, Under the Bay every 25 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Wow 4D+ | Under the Bay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (6 ratings)](https://appshunter.io/ios/app/wow-4d-plus/id1241883810/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/under-the-bay/id1641553491/reviews)** |
| Number of ratings | **6** | 2 |
| Positive reviews | 7.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 25 months |
| Monetization | Free | Free |
| Size | 184 MB | 930 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Octagon Studio Ltd](https://appshunter.io/developer/998405180) | [Lisa Moren](https://appshunter.io/developer/1641553493) |

## What reviewers say

### Wow 4D+

[App page](https://appshunter.io/ios/app/wow-4d-plus/id1241883810)

Explore the wonders of the world and beyond, from dinosaurs to space. Bring special markers to life with augmented reality, stereoscope, VR, and Holoprism modes. Learn and play with interactive experiences, capturing your discoveries with photos and videos.

**Highlights:** Augmented reality experiences, Interactive learning, VR and Holoprism modes, Capture photos and videos, Explore diverse subjects, Unlock instant experiences

**In-app purchases:** none


### Under the Bay

[App page](https://appshunter.io/ios/app/under-the-bay/id1641553491)

Experience the hidden world beneath the Chesapeake Bay through augmented reality. Point your device at water to reveal stories, hear original music, and see animations that change based on live environmental data.

**Highlights:** Augmented reality underwater exploration, Live environmental data integration, Dynamic music and animation, Artist-narrated stories, Selectable scenes, Historical data playback

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Wow 4D+ free?

Wow 4D+ is free to download, with no in-app purchases.

### Is Under the Bay free?

Under the Bay is free to download, with no in-app purchases.

### Which has better reviews, Wow 4D+ or Under the Bay?

Under the Bay is rated higher. Wow 4D+ averages 4.2 out of 5 from 6 ratings, while Under the Bay averages 5.0 from 2 ratings.

### Do Wow 4D+ or Under the Bay have ads?

Neither Wow 4D+ nor Under the Bay shows ads.

### Which is updated more often, Wow 4D+ or Under the Bay?

Wow 4D+ ships an update every 3 weeks, and Under the Bay every 25 months. Most recently, Wow 4D+ was updated on October 24, 2026 and Under the Bay on October 30, 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.*