# Deep Blue vs eArena AR

The clearest difference is rating: eArena AR at 5.0 against Deep Blue's 4.4. eArena AR also leads on ads (none vs shown) and update cadence (every 3 months vs every 16 months). Deep Blue's advantage is ratings volume (7 vs 1). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

eArena AR holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Deep Blue has 7 ratings behind it against 1, so its average is the more settled of the two.

Deep Blue ships an update every 16 months, eArena AR every 3 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Deep Blue | eArena AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (7 ratings)](https://appshunter.io/ios/app/deep-blue-manta/id1450112696/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/earena-ar/id6742382911/reviews)** |
| Number of ratings | **7** | 1 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 16 months | **Every 3 months** |
| Monetization | Ad-supported | **Free** |
| Size | 16 MB | 830 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Noriaki Murao](https://appshunter.io/developer/1289002723) | [Silicon Constellations, Inc.](https://appshunter.io/developer/1504409318) |

## What reviewers say

### Deep Blue

[App page](https://appshunter.io/ios/app/deep-blue-manta/id1450112696)

Guide mantas through underwater obstacle courses with simple one-finger swipes. Enjoy 50 unique stages, each under 20 seconds, with power-up modes and collectible badges. Compete with others for high scores via Game Center.

**Highlights:** One-finger swipe controls, 50 unique stages, Obstacle avoidance gameplay, Power mode for smashing obstacles, Collectible badges, Game Center leaderboards

**In-app purchases:** none


### eArena AR

[App page](https://appshunter.io/ios/app/earena-ar/id6742382911)

Experience augmented reality gaming that blends physical activity with digital battles. Collect magic eggs to power up your dragon avatar in a virtual arena, engaging in real-time 1v1 or 2v2 matches. Every movement is tracked for an immersive exergaming adventure.

**Highlights:** Augmented reality gaming, Real-world movement tracking, Dragon avatar battles, Collect magic eggs for power-ups, 1v1 and 2v2 multiplayer matches, In-game mana for abilities

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Deep Blue free?

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

### Is eArena AR free?

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

### Which has better reviews, Deep Blue or eArena AR?

eArena AR is rated higher. Deep Blue averages 4.4 out of 5 from 7 ratings, while eArena AR averages 5.0 from 1 ratings.

### Do Deep Blue or eArena AR have ads?

Deep Blue shows ads; eArena AR does not.

### Which is updated more often, Deep Blue or eArena AR?

Deep Blue ships an update every 16 months, and eArena AR every 3 months. Most recently, Deep Blue was updated on November 2, 2026 and eArena AR 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.*