つもり貯金箱 vs LifeCoster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
つもり貯金箱
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■つもり貯金箱 – 小さな節約を、毎日の楽しみに。 「買ったつもり」「使ったつもり」で、使わなかったお金を記録する“つもり貯金”アプリです。 コンビニのお菓子を買ったつもりで150円。 カフェでコーヒーを飲んだつもりで450円。 いつもなら使っていたお金を記録して、毎日の節約を目に見える達成感に変えてみませんか? 金額とメモを入力するだけのシンプルな操作。 カレンダーやグラフで積み重ねを振り返りながら、かわいい貯金箱と一緒に貯金を楽しめます。 ■主な機能 ①金額とメモで、さっと記録 節約できた金額と、何に使ったつもりかを入力するだけ。 メモは空欄でも記録できます。マイナスの金額にも対応しています。 ②カレンダーで毎日の積み重ねを確認 日ごとの記録をカレンダーでひと目で確認。 今週・今月の合計も見られるので、小さな節約の積み重ねを実感できます。 ③グラフで貯金のあゆみを振り返る これまでに記録した貯金額の累計を線グラフで表示。 「1か月」「3か月」「全期間」を切り替えて確認できます。 グラフをタップ・なぞると、その日の累計額もわかります。 ④お札とコインの「貯金の山」 記録した貯金額を、お札とコインで楽しく表示。 数字だけでは伝わりにくい積み重ねも、目に見える形で楽しめます。 ⑤続ける楽しみが増える、貯金箱コレクション アプリの累計利用日数に応じて、新しい貯金箱が使えるようになります。 ぶたのほかにも、カワウソやシマエナガなど、かわいい仲間が登場。 お気に入りの貯金箱を選んで、自分らしく楽しめます。 連続で利用しなくても大丈夫。記録をしない日も、アプリを開けば利用日数に加算されます。 ■こんな方におすすめ ・小さな節約をコツコツ積み重ねたい ・家計簿よりも手軽に記録したい ・節約できた金額をカレンダーやグラフで振り返りたい ・かわいい貯金箱を集めながら楽しく続けたい ・買い物の前に「本当に必要?」と考える習慣をつけたい ■今日の「つもり」を、小さな達成感に。 使わなかったお金を記録することから、つもり貯金を始めてみませんか? あなたのペースで、毎日の節約を楽しみましょう。 ※本アプリは貯金額を記録するアプリです。実際のお金の預け入れや、自動積立を行うものではありません。
LifeCoster
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LifeCoster turns your everyday effort into a number you can watch grow — second by second. Decide to skip something you’d normally buy, or start a work session, and the value of that choice ticks upward in real time. Seeing the number climb makes saving and sticking with good habits feel rewarding instead of restrictive. Three simple tabs, switched at the bottom of the screen: • MISSION — Register something you’ve decided not to buy (a daily coffee, snacks, a subscription you canceled) with an amount and a period. While you keep it up, the money you’re NOT spending grows every second. Reach the goal and you keep the whole amount; give up partway and it resets to zero. • WORK — Set your pay and an end time, then start working. Until that time, your earnings grow second by second. Hourly, daily, or monthly pay are all converted to a live per-second rate. Run several at once — main job, side gigs, and more. • RECORDS — Review your totals for completed and given-up items, and track an overall savings or earnings goal. ALSO INCLUDED • Apple Watch app and complications keep the number on your wrist. • Local notifications cheer you on at the halfway point and when you reach a goal. • Currency follows your device region automatically (¥, $, €, £, and more), or pick a fixed style. A NOTE ON THE NUMBERS The amount you see is a visualization of value created by your own effort — what you saved by holding back, or earned by working. It is NOT real money, points, or a prize, and nothing is paid out by us or the app. It’s not a lottery or sweepstakes. If you’d like to actually save, move that amount into your real savings to turn the on-screen number into money in hand. We deliberately avoid prize-style hype. The goal is simple: let the value of your own effort stack up in a way that feels good to watch. ONE-TIME PURCHASE (OPTIONAL) A single optional purchase removes all in-app ads and unlocks the “Game Style” design (a chase-HUD look). It’s a one-time payment — no subscription — and can be restored after switching devices or reinstalling.
Screenshots
Verdict
The clearest difference is in-app purchases: つもり貯金箱 at none against LifeCoster's 1. LifeCoster's advantage is update cadence (every 4 days vs every 6 weeks). 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
Both are free to download. LifeCoster sells 1 one-off in-app purchase. つもり貯金箱 asks for nothing beyond the download.
つもり貯金箱 ships an update every 6 weeks, LifeCoster every 4 days. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.
| Parameter | つもり貯金箱 | LifeCoster |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 4 days — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone | iPhone, Apple Watch — better |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 90 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Takeru Ito | SHOTARO TAKAHASHI |
In-app purchases
つもり貯金箱
No in-app purchases
LifeCoster
- 広告を消す&ゲームスタイルの解禁$0.49








