Comparison

艦メモ 〜艦これメモ帳〜 vs ASTROTIMER

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

Head to head
About

艦メモ 〜艦これメモ帳〜

Features
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「艦隊これくしょん ~艦これ~」の建造レシピや開発レシピのメモアプリです。 ◆できること 次のレシピを保存することができます。  ・通常建造  ・大型建造  ・開発 メモしたレシピは、あとから簡単に変更することができます。 また、削除することもできます。 ◆本アプリについて 大変恐縮ですが、アプリ開発の勉強がてら自分で欲しいアプリを作成しました。 実験的な試みも含んでいるため、ご不便な点などあるかもしれませんが、ご了承ください。 また、艦これ公式(ゲーム、アニメ、書籍、その他)と本アプリには一切の関係がありません。

About

ASTROTIMER

Features
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ASTROTIMER turns your countdown into a cosmic experience. Set your timer, and watch as asteroids fill the starry sky — one for each minute. A glowing ball bounces between them, producing beautiful FM synthesis chimes with every collision. As each minute passes, a rock shatters into fragments, scattering across the screen. When time's up, a gentle chime melody lets you know. Features: Stunning real-time star chart background Physics-based ball and rock collisions FM synthesis chime sounds with delay and reverb Timer from 0:10 to 30:00 Remembers your last timer setting Works on iPhone and iPad

Screenshots

艦メモ 〜艦これメモ帳〜4 screens
ASTROTIMER4 screens

Verdict

The call

The clearest difference is in-app purchases: 艦メモ 〜艦これメモ帳〜 at none against ASTROTIMER's 1. 艦メモ 〜艦これメモ帳〜 also leads on ads (none vs shown) and iOS requirement (10.1 vs 15.0). ASTROTIMER's advantage is update cadence (every 6 days vs every 9 months). On price and device support 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. ASTROTIMER sells 1 one-off in-app purchase. 艦メモ 〜艦これメモ帳〜 asks for nothing beyond the download.

UpkeepUpdate frequency

艦メモ 〜艦これメモ帳〜 ships an update every 9 months, ASTROTIMER every 6 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 2 level
艦メモ 〜艦これメモ帳〜 versus ASTROTIMER: the parameters behind the verdict, then further details
Parameter艦メモ 〜艦これメモ帳〜ASTROTIMER
PriceFreeFree
Update frequencyEvery 9 monthsEvery 6 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.1 — better15.0
Further details — not scored
Size36 MB6 MB
Age rating4+4+
DeveloperGenki FujiiTakashi Tsunoda

In-app purchases

None

艦メモ 〜艦これメモ帳〜

No in-app purchases

1 purchases

ASTROTIMER

One-time1
  • Remove Ads$0.99

Questions

Is 艦メモ 〜艦これメモ帳〜 free?
艦メモ 〜艦これメモ帳〜 is free to download, with no in-app purchases.
Is ASTROTIMER free?
ASTROTIMER is free to download, with in-app purchases available.
Do 艦メモ 〜艦これメモ帳〜 or ASTROTIMER have ads?
ASTROTIMER shows ads; 艦メモ 〜艦これメモ帳〜 does not.
Which is updated more often, 艦メモ 〜艦これメモ帳〜 or ASTROTIMER?
艦メモ 〜艦これメモ帳〜 ships an update every 9 months, and ASTROTIMER every 6 days. Most recently, 艦メモ 〜艦これメモ帳〜 was updated on November 2, 2026 and ASTROTIMER on October 31, 2026.

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