Comparison

Castle Bravo vs Do Not Reply

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

Head to head
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

About

Do Not Reply

Features
Read full description

You get a message from someone stuck inside. A locked house. A hospital ward. A grocery store after close. Do Not Reply is a horror text story app. Three stories. Guide them through it, open what they send you, and decide whether they get out.

Screenshots

Castle Bravo4 screens
Do Not Reply4 screens

Verdict

The call

The clearest difference is in-app purchases: Castle Bravo at none against Do Not Reply's 4. Do Not Reply's advantage is ads (none vs shown) and update cadence (every 4 days vs every 2 weeks). On price, device support and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Do Not Reply sells 4 one-off in-app purchases. Castle Bravo asks for nothing beyond the download.

UpkeepUpdate frequency

Castle Bravo ships an update every 2 weeks, Do Not Reply every 4 days. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

Scorecard3 real differences ยท 5 level
Castle Bravo versus Do Not Reply: the parameters behind the verdict, then further details
ParameterCastle BravoDo Not Reply
PriceFreeFree
Positive reviews33.3% of reviewsโ€”
Update frequencyEvery 2 weeksEvery 4 days โ€” better
AdsYesNo โ€” better
In-app purchasesNo โ€” betterYes
MonetizationAd-supportedโ€”
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details โ€” not scored
Size15 MB48 MB
Age rating17+12+
DeveloperBlyts LLCFluently AI

In-app purchases

None

Castle Bravo

No in-app purchases

4 purchases

Do Not Reply

One-time4
  • 50 Tokens$0.99
  • 150 Tokens$2.49
  • 2000 Tokens$4.99
Show 1 more
  • 5000 Tokens$9.99

Questions

Is Castle Bravo free?
Castle Bravo is free to download, with no in-app purchases.
Is Do Not Reply free?
Do Not Reply is free to download, with in-app purchases available.
Do Castle Bravo or Do Not Reply have ads?
Castle Bravo shows ads; Do Not Reply does not.
Which is updated more often, Castle Bravo or Do Not Reply?
Castle Bravo ships an update every 2 weeks, and Do Not Reply every 4 days. Most recently, Castle Bravo was updated on October 13, 2026 and Do Not Reply on October 7, 2026.

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