Comparison

Echoes vs Castle Bravo

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Echoes

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
Read full description

A stranger adds you to a group chat by mistake. Or was it a mistake? Echoes is an interactive murder-mystery thriller where you're pulled into a crime through your phone. Set in India, the story unfolds through group chats, private messages, phone calls, and video calls — all happening in real time on your screen. Aarav, a film student, has vanished. His closest friends are desperate for answers, and somehow your number ended up in their group. Now you're caught between suspects who all have something to hide. PLAY DETECTIVE FROM YOUR PHONE Investigate the disappearance through realistic chat conversations. Read between the lines, question suspects, and piece together what happened to Aarav. EVERY CHOICE MATTERS Your decisions shape relationships with each character. Build trust or raise suspicion. The story branches based on what you say, who you believe, and what you reveal. FOLLOW THE NEWS A local news feed runs alongside the case. Jump into live comment threads, spar with journalist Priya Nair, and dig up sidestories and clues the official story leaves out. NOW IN 6 LANGUAGES Play in English, Português (Brasil), Français, Español, Deutsch, or Italiano — full dialogue, not just menus, reviewed line by line by native speakers. IMMERSIVE FEATURES - Live audio and video call sequences that put you in the moment - Subtitles on video calls, with a CC toggle you control - A digital investigation board to connect evidence and track leads - Voice clone technology that puts YOUR voice into the story - Atmospheric soundtrack and cinematic storytelling DESIGNED TO FEEL REAL Every notification, every typing indicator, every read receipt — Echoes blurs the line between game and reality. The characters feel alive because they respond to you, not at you. Episodes 1 through 6 are available now. New episodes coming soon. Download Echoes. Read the messages. Trust no one.

About

Castle Bravo

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
Read full description

It all starts with a message. Behind it: a 1954 nuclear test, a frequency we're all hearing without knowing it, and a silent colonization that has been advancing for decades with no one to stop it. A CONSPIRACY THRILLER IN YOUR MESSENGER Castle Bravo is an interactive story where characters text you, send you voice messages, photos, and files. The story combines declassified nuclear test records with interactive fiction. YOU WRITE IN YOUR OWN WORDS You write freely to the characters instead of choosing preset responses. They react to what you say, and each conversation builds a different relationship: who you trust, what you share, how far you go. An authentic, immersive experience where the way you talk is part of the game. FEATURES - Mystery and conspiracy game told through messages - Open-ended responses: real conversations with the characters - Voice messages, photos, files, and documents sent straight to your phone - Based on real events

Screenshots

Echoes4 screens
Castle Bravo4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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

Scorecard5 real differences · 5 level
Echoes versus Castle Bravo: the parameters behind the verdict, then further details
ParameterEchoesCastle Bravo
PriceFreeFree
Rating4.8 (5 ratings) — better—
Positive reviews50.0% of reviews — better33.3% of reviews
Number of ratings5 — better—
Update frequencyMonthlyEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.115.0 — better
Further details — not scored
Size285 MB15 MB
Age rating12+17+
DeveloperAnubhav SahuBlyts

Customer experience

Echoes

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Castle Bravo

Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

In-app purchases

5 purchases

Echoes

One-time5
  • Media and Premium choices Pack$1.99
  • Voice Re-record$1.99
  • Voice Pack$2.99
Show 2 more
  • AI Chat Access$2.99
  • Premium Pass$6.99
None

Castle Bravo

No in-app purchases

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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