# Echoes vs Castle Bravo

The clearest difference is in-app purchases: Castle Bravo at none against Echoes's 5. Castle Bravo also leads on update cadence (every 2 weeks vs monthly). Echoes's advantage is ads (none vs shown) and review sentiment (50% vs 33%). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Echoes sells 5 one-off in-app purchases. Castle Bravo asks for nothing beyond the download.

Echoes ships an update monthly, Castle Bravo every 2 weeks. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Echoes | Castle Bravo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/echoes-interactive-thriller/id6760790952/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | **50.0% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 285 MB | 15 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Anubhav Sahu](https://appshunter.io/developer/1886257546) | [Blyts](https://appshunter.io/developer/454180365) |

## What reviewers say

### Echoes

[App page](https://appshunter.io/ios/app/echoes-interactive-thriller/id6760790952)

Engage in a real-time murder mystery through your phone. Investigate a disappearance by interacting with characters via chat, calls, and video, making choices that shape the narrative. Uncover clues through news feeds and an investigation board.

**Highlights:** Real-time chat and messaging gameplay, Branching narrative based on player choices, Investigative tools like a digital board, Live news feed integration, Multi-language support, Audio and video call sequences

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Media and Premium choices Pack | $1.99 | one-time |
| Voice Re-record | $1.99 | one-time |
| Voice Pack | $2.99 | one-time |
| AI Chat Access | $2.99 | one-time |
| Premium Pass | $6.99 | one-time |


### Castle Bravo

[App page](https://appshunter.io/ios/app/castle-bravo/id6792818574)

Experience a conspiracy thriller where characters text you, send multimedia, and react to your free-form responses. This interactive story blends declassified nuclear test records with immersive fiction, allowing your conversations to shape the narrative and relationships.

**Highlights:** Interactive story told through messages, Open-ended responses for real conversations, Multimedia messages (voice, photos, files), Based on real declassified events, Build relationships through dialogue

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

**In-app purchases:** none


## Frequently asked questions

### Is Echoes free?

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

### Is Castle Bravo free?

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

### Do Echoes or Castle Bravo have ads?

Castle Bravo shows ads; Echoes does not.

### Which is updated more often, Echoes or Castle Bravo?

Echoes ships an update monthly, and Castle Bravo every 2 weeks. Most recently, Echoes was updated on October 9, 2026 and Castle Bravo on October 13, 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.*