Comparison

選択サバイバル vs Hydrogen Voice H2

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

Head to head
About

選択サバイバル

Features
Read full description

\\本格ホラー選択ゲーム『選択サバイバル』登場!// ■■『選択サバイバル』とは?■■ 高品質の効果音付き動画で描かれる圧倒的なホラー演出と、選択肢によって生死が左右されるスリリングな体験が魅力のゲームです。 全てのストーリーが完全無料で、あなたの決断が物語を大きく変えます。 ▽ 間違った選択で即ゲームオーバー…でも、リトライしやすい! 一歩間違えれば、凄惨な結末を迎える恐怖感は最高潮。 しかしゲームオーバーになっても、直前の選択肢からすぐ再開可能! 広告等のペナルティを削除しました! ■■ 遊び方 ■■ 各シーンで提示される選択肢をタップするだけの簡単操作! 動画が再生された後、じっくり選択を考えられるので没入感も抜群! 正しい選択を繰り返すことで、最後の脱出を目指そう! ■■ 広告のストレスなし!■■ ゲームオーバーやリトライ時に広告は一切表示されません。 1プレイ終了時にのみ5秒間の広告を挿入し、ホラー演出をできるだけ途切れさせない設計です。 広告を削除できるオプションも用意しているので、より集中して楽しめます! ■■ こんな方におすすめ!■■ ホラーゲームやスリル満点のストーリーが好きな方 短時間でドキドキ感を味わいたい方 動画と選択肢が組み合わさった新感覚のゲームを探している方 広告が少なく、無料で遊べるホラーアドベンチャーをお求めの方 手軽にリトライできるゲームシステムでストレスを感じたくない方 ■■ 配信・投稿について ■■ 基本的に許可なく配信可能ですが、アプリ名を必ず明記した上でご使用ください。 さあ、今すぐ『選択サバイバル』をダウンロードして、 高品質の効果音付き動画と選択の緊張感が生む極限のホラー世界に飛び込みましょう! あなたの一瞬の判断が、恐怖からの生還を左右します。

About

Hydrogen Voice H2

This app demonstrates the creation of hydrogen water using a special stick. It shows how the stick releases hydrogen bubbles into water and highlights the quantity of hydrogen water that can be produced.

Highlights
  • Hydrogen water creation demonstration
  • Visual display of hydrogen bubbles
  • Information on production volume
  • Highlights the use of a hydrogen stick
  • Shows how to use the product
Features
Read full description

Saikindekiyas... Something about health, Yes. Do you do anything for your health? Ah! I drink hydrogen water. Hydrogen water! Look at me... Ta-da! Huh? Look! Here! Huh? Isn't it amazing! What's wrong with it? It's a pan-pan! Pang-pang! That's amazing! Right? Don't you want to open it? I want to see it! Here we go! Yes! Ready! Pshhhh! Ah~! Hydrogen sound~! What's going on here? This stick, Hi... Just put it in the water. Uh... Voila! Poco... Pok-pok-pok-pok-pok-pok! It's true. You can see the hydrogen coming out. Yes... How much hydrogen water does one bottle of this make? Ta-da! Wow! Amazing! Wow! One stick can make 60 2L bottles! That's 60 bottles of 2L! You can make enough hydrogen water for about 2 months! Hydrogen from water Limited to one bottle per person for the first time only!  1980 yen (tax not included) Order 0120-888-315  Shipping cost is also not included!

Screenshots

選択サバイバル4 screens
Hydrogen Voice H24 screens

Verdict

The call

The clearest difference is in-app purchases: Hydrogen Voice H2 at none against 選択サバイバル's 1. Hydrogen Voice H2 also leads on review sentiment (100% vs 67%) and update cadence (every 2 days vs every 6 days). On price, ads, 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. 選択サバイバル sells 1 one-off in-app purchase. Hydrogen Voice H2 asks for nothing beyond the download.

UpkeepUpdate frequency

選択サバイバル ships an update every 6 days, Hydrogen Voice H2 every 2 days. Both last shipped on October 30, 2026.

Scorecard3 real differences · 7 level
選択サバイバル versus Hydrogen Voice H2: the parameters behind the verdict, then further details
Parameter選択サバイバルHydrogen Voice H2
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews67.4% of reviews100.0% of reviews — better
Number of ratings2 — better—
Update frequencyEvery 6 daysEvery 2 days — better
AdsYesYes
In-app purchasesYesNo — better
Monetization—Ad-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size225 MB110 MB
Age rating17+4+
DeveloperRikuto HosakaKAEDE Games

Customer experience

選択サバイバル

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews46 reviews
Positive67.4%
Neutral15.2%
Negative17.4%

Hydrogen Voice H2

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

選択サバイバル

Reported bugs

4 issues
  • Frequent bugs returning to story selection screen
  • Typos and grammatical errors in text
  • Sudden return to story selection screen
  • Some stages are missing

Requested features

7 requests
  • Add more stories/stages
  • Add branching storylines
  • Improve AI voice and images
  • Fix bugs and typos
  • Increase originality of stories
Show 2 more
  • Reduce ad frequency
  • Add a dark mode option

Hydrogen Voice H2

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

選択サバイバル

One-time1
  • 広告非表示$1.99
None

Hydrogen Voice H2

No in-app purchases

Questions

Is 選択サバイバル free?
選択サバイバル is free to download, with in-app purchases available.
Is Hydrogen Voice H2 free?
Hydrogen Voice H2 is free to download, with no in-app purchases.
Do 選択サバイバル or Hydrogen Voice H2 have ads?
Both 選択サバイバル and Hydrogen Voice H2 show ads.
Which is updated more often, 選択サバイバル or Hydrogen Voice H2?
選択サバイバル ships an update every 6 days, and Hydrogen Voice H2 every 2 days. Most recently, 選択サバイバル was updated on October 30, 2026 and Hydrogen Voice H2 on October 30, 2026.

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