Comparison

アレなんだっけ? vs Bookrest

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

Head to head
About

アレなんだっけ?

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「令和って西暦何年?」「来年の干支は?」「11月って英語でなんて言うんだっけ?」 そんな日常のちょっとした疑問を、これひとつで解決。 7つの機能を詰め込んだ、日本の暦・文化ツール集です。 西暦・和暦変換 令和・平成・昭和・大正・明治に対応。 西暦から和暦、和暦から西暦を簡単に変換できます。 単位変換(m2・畳・坪) 江戸間・京間・中京間・団地間の4種類の畳サイズに対応。 不動産物件を見る時にも便利です。 干支 今年の干支をすぐ確認。 12の干支をタップすると、該当する年を一覧表示します。 月の名前 1月から12月の和風月名(睦月・如月・弥生)と 英語名(January・February)、読み方を確認できます。 星座 誕生日から星座を確認。 12星座それぞれのギリシャ神話の由来も掲載。 今日の花と花言葉 カレンダーから日付を選ぶと、その日の誕生花と花言葉を表示。 大切な日の花言葉を調べるのにも便利です。 今日は何の日? 365日分の記念日・歴史的な出来事を収録。 毎日新しい発見があります。 ウィジェット対応 ホーム画面・ロック画面のウィジェットにお好みの情報を表示できます。 6種類の情報から0から2個を自由に選択。 完全無料・全機能オフライン対応。 掲載している花言葉・記念日情報は諸説あるうちの一例です。 正確性を保証するものではありません。

About

Bookrest

Features
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Found a page you wanted to come back to — and never did? Bookrest is a visual bookmark manager. Save any link with a thumbnail, drop it into a folder, and spot it again in a single glance. No more screenshots buried in your camera roll. Articles you mean to read. Recipes to try. Trips to plan. Pages you'd rather not log in to save. Keep them all in your own private, image-rich gallery. • No ads • No account • Everything stays on your iPhone KEY FEATURES Save with a thumbnail Pick any image from the page as its cover. Scroll back through your list and recognize it instantly. Add from any browser Save in one tap from the share sheet — choose the name, folder, and thumbnail right there. Three ways to browse Switch between grid, list, and photo views to see your bookmarks exactly how you like. Organize with folders Create folders with any name — Articles, Travel, Shopping, Inspiration — and keep everything tidy. Lock private folders Set a PIN on folders you'd rather keep to yourself. Locked folders stay out of search, too. A gentle nudge An optional weekly reminder of the pages you saved but haven't opened yet. Yours, and private No sign-up. No tracking. Every bookmark lives only on your device. No ads, ever Just your collection, on a clean, calm screen. BOOKREST PRO • Unlimited bookmarks (free plan: up to 100) • Unlimited folders (free plan: up to 5) • Notes on your bookmarks • Dark mode • Custom folder covers • iCloud backup Available as a one-time purchase or a monthly plan. Stop screenshotting the things you want to remember. Give them a place to live. Download Bookrest and start your collection. Privacy Policy: https://sknk-aaa.github.io/folders-app/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

アレなんだっけ?4 screens
Bookrest4 screens

Verdict

The call

The clearest difference is in-app purchases: アレなんだっけ? at none against Bookrest's 2. Bookrest's advantage is ads (none vs shown) and iOS requirement (15.1 vs 18.6). On price, update cadence 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. Bookrest sells 2 in-app purchases, starting at $2.99 per month. アレなんだっけ? asks for nothing beyond the download.

UpkeepUpdate frequency

アレなんだっけ? ships an update every 4 days, Bookrest every 3 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 3 level
アレなんだっけ? versus Bookrest: the parameters behind the verdict, then further details
Parameterアレなんだっけ?Bookrest
PriceFreeFree
Update frequencyEvery 4 daysEvery 3 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.615.1 — better
Further details — not scored
Size6 MB78 MB
Age rating4+4+
DeveloperNANACHANLABsouma kaneko

In-app purchases

None

アレなんだっけ?

No in-app purchases

2 purchases

Bookrest

Subscriptions1
  • Bookrest Pro (Monthly)$2.991 Month
One-time1
  • Bookrest Pro (Lifetime)$9.99

Questions

Is アレなんだっけ? free?
アレなんだっけ? is free to download, with no in-app purchases.
Is Bookrest free?
Bookrest is free to download, with in-app purchases available.
Do アレなんだっけ? or Bookrest have ads?
アレなんだっけ? shows ads; Bookrest does not.
Which is updated more often, アレなんだっけ? or Bookrest?
アレなんだっけ? ships an update every 4 days, and Bookrest every 3 days. Most recently, アレなんだっけ? was updated on October 25, 2026 and Bookrest on October 31, 2026.

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