# EchoBat vs Deep Blue

The clearest difference is in-app purchases: Deep Blue at none against EchoBat's 1. EchoBat's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. EchoBat sells 1 one-off in-app purchase. Deep Blue asks for nothing beyond the download.

EchoBat ships an update every 25 months, Deep Blue every 16 months. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | EchoBat | Deep Blue |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (7 ratings)](https://appshunter.io/ios/app/deep-blue-manta/id1450112696/reviews)** |
| Number of ratings | — | **7** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 25 months | **Every 16 months** |
| Monetization | — | Ad-supported |
| Size | 16 MB | 16 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Globulus](https://appshunter.io/developer/561886669) | [Noriaki Murao](https://appshunter.io/developer/1289002723) |

## What reviewers say

### EchoBat

[App page](https://appshunter.io/ios/app/echobat/id1152877367)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EchoBat continue flying | $0.99 | one-time |


### 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


## Frequently asked questions

### Is EchoBat free?

EchoBat is free to download, with in-app purchases available.

### Is Deep Blue free?

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

### Do EchoBat or Deep Blue have ads?

Deep Blue shows ads; EchoBat does not.

### Which is updated more often, EchoBat or Deep Blue?

EchoBat ships an update every 25 months, and Deep Blue every 16 months. Most recently, EchoBat was updated on October 15, 2026 and Deep Blue on October 16, 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.*