Comparison

Castle Bravo vs 灰宮村

Price, ratings, monetisation and update history for both games, side by side — 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

灰宮村

Features
Read full description

基本操作としては下記の3つです。 1. 検索する 検索窓にキーワードを入力して検索を行います。 キーワードは色んなところに隠されています。 まずはゲームタイトルでもある「灰宮村」と検索してみてください。 2. 調査する 検索結果から得られたページから、さらに次のキーワードを調査します。 行き詰まったら調査ノートも参考にしてみてください。 時には、実際のブラウザで検索が必要なものもあるかもしれません。 3. 謎を解き明かす 灰宮村に隠された謎を解き明かしましょう。 謎は全部で50 ページ。あなたは灰宮村の秘密を知っていますか?

Screenshots

Castle Bravo4 screens
灰宮村3 screens

Verdict

The call

The clearest difference is iOS requirement: Castle Bravo at 15.0 against 灰宮村's 18.6. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Castle Bravo ships an update every 2 weeks, 灰宮村 every 10 days. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

Scorecard1 real difference · 7 level
Castle Bravo versus 灰宮村: the parameters behind the verdict, then further details
ParameterCastle Bravo灰宮村
PriceFreeFree
Positive reviews33.3% of reviews—
Update frequencyEvery 2 weeksEvery 10 days — better
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.6
Further details — not scored
Size15 MB17 MB
Age rating17+9+
DeveloperBlytsEiki Ogawa

In-app purchases

None

Castle Bravo

No in-app purchases

None

灰宮村

No in-app purchases

Questions

Is Castle Bravo free?
Castle Bravo is free to download, with no in-app purchases.
Is 灰宮村 free?
灰宮村 is free to download, with no in-app purchases.
Do Castle Bravo or 灰宮村 have ads?
Both Castle Bravo and 灰宮村 show ads.
Which is updated more often, Castle Bravo or 灰宮村?
Castle Bravo ships an update every 2 weeks, and 灰宮村 every 10 days. Most recently, Castle Bravo was updated on October 13, 2026 and 灰宮村 on October 14, 2026.

Other comparisons