Comparison

3Up2Down 家計簿 vs Instant Compound Calculator

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

Head to head
About

3Up2Down 家計簿

Features
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【---------v2.0.0大幅アップデート-----------】 楽天証券との紐付けで毎日投資情報と家計簿アプリの資産が連携できるようになりました。 2段階認証、電話認証にも対応しているので、ぜひお試しください。 【他の家計簿アプリ●】 ●中途半端な銀行とクレジット提携機能で登録がめんどくさい(結局手動でつけた方がカテゴリ分けなど考えると早い) ●電卓機能がついているのとついてないのがある ●カテゴリーの追加機能が有料だったり編集できないものある ●色がごちゃごちゃして使いにくい ●メモ機能がついていない ●友達追加機能がない ●細いカテゴリー分けができたりできなかったり ●今月の貯金額が見えない ●目標金額が決められない ●カテゴリー毎の残高がわからない(例えば食費は残り何円か把握できない) ●紙の家計簿のように一覧をパッと見れない ●レシートは読み取れないものもある 【3Up2Downの特徴◆】 ◆全て手入力でまとまっていて漏れがなくすぐ始められる ◆シンプルなカレンダーから入力可能 ◆かわいいアイコンでカテゴリーに分けられている ◆電卓機能がある ◆白と黒を基調としてシンプルで、色を適度に使用しているためうるさくない ◆ひと目で貯金額が何円かわかって楽しい ◆目標金額を決められる ◆カテゴリー毎の残高を見ながら家計簿をつけられる ◆紙の家計簿のように1ヶ月の収支をパッと見れる ◆手入力だから間違えることがない 【どんな人におすすめ?】 ・手書き派の人におすすめ(1ヶ月の収支をパッと見れる) ・メモ機能をつけたい人 ・シンプルがいい人 ・かわいいアイコンが良い人 ・生活の質をあげたい人 ・貯金したい人 ・カレンダーですぐに入力したい人 ・他の家計簿アプリでは楽しくなくて飽きてしまった人 ・初心者でも簡単でざっくり入力できて楽しいアプリを求めている人 ・ログイン機能やパスワード機能で見られたくない人 皆さんの少しでも貯金の手助けになれば嬉しいです。是非ダウンロードして使ってみてください!

About

Instant Compound Calculator

Features
Read full description

A powerful compound interest calculator that instantly handles complex accumulation calculations! Simple operation with highly accurate results. <App Features> 1. Simple and intuitive UI: Just input principal, monthly contribution, annual rate, and years elapsed for easy accumulation calculations. The visually clear design ensures even first-time users can confidently use it. 2. Lightning-fast calculation: Tap the "Calculate" button after input to instantly view results. Confirm the power of accumulation investing right away. 3. Detailed results: Results displayed year-by-year up to the elapsed period. View total principal, total amount, and interest totals for each year in detail. Future asset growth at a glance! 4. User-friendly input keyboard: Optimized keyboard type for numeric input with easy close button. 5. Error prevention: Detects invalid inputs and notifies users with error messages. Enables accurate calculations with peace of mind. <Recommended For> * Investors (beginner to advanced): Simulate accumulation growth for future planning. Ideal for those already practicing accumulation investing. * Household managers: Understand long-term effects of regular savings and investments concretely * Financial planners: Use for asset-building advice to clients * Educators: Financial education tool for students * Economics learners: Learn compound interest and accumulation synergy hands-on <Accumulation Compound Mechanism> * Combines monthly contributions with compound interest effects * Adds monthly interest and reflects contributions * Displays cumulative annual growth Simple operation for precise accumulation calculations, anytime anywhere. Your essential tool for long-term asset building! Download now and see how your assets will grow! Paid app with no ads whatsoever.

Screenshots

3Up2Down 家計簿4 screens
Instant Compound Calculator3 screens

Verdict

The call

The clearest difference is price: 3Up2Down 家計簿 at Free against Instant Compound Calculator's $2.99. 3Up2Down 家計簿 also leads on update cadence (every 4 days vs every 2 months). Instant Compound Calculator's advantage is in-app purchases (none vs 5) and ads (none vs shown). On 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

3Up2Down 家計簿 is free to download; Instant Compound Calculator costs $2.99 up front. 3Up2Down 家計簿 sells 5 in-app purchases, starting at $0.99 per month. Instant Compound Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

3Up2Down 家計簿 ships an update every 4 days, Instant Compound Calculator every 2 months. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.

Scorecard4 real differences · 2 level
3Up2Down 家計簿 versus Instant Compound Calculator: the parameters behind the verdict, then further details
Parameter3Up2Down 家計簿Instant Compound Calculator
PriceFree — better$2.99
Update frequencyEvery 4 days — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
DevicesiPhoneiPhone, iPad — better
Requires iOS16.6 — better17.6
Further details — not scored
Size34 MB6 MB
Age rating4+4+
DeveloperRyunosuke ShinkuboShun Isayama

In-app purchases

5 purchases

3Up2Down 家計簿

Subscriptions4
  • 広告なしプラン(200円)$0.991 Month
  • 広告なしプラン(300円)$1.991 Month
  • 月額プラン(広告なし)$2.991 Month
Show 1 more
  • 年額プラン(広告なし)$29.991 Year
One-time1
  • 買い切りプラン(広告あり)$59.99
None

Instant Compound Calculator

No in-app purchases

Questions

Is 3Up2Down 家計簿 free?
3Up2Down 家計簿 is free to download, with in-app purchases available.
Is Instant Compound Calculator free?
Instant Compound Calculator costs $2.99, with no in-app purchases.
Do 3Up2Down 家計簿 or Instant Compound Calculator have ads?
3Up2Down 家計簿 shows ads; Instant Compound Calculator does not.
Which is updated more often, 3Up2Down 家計簿 or Instant Compound Calculator?
3Up2Down 家計簿 ships an update every 4 days, and Instant Compound Calculator every 2 months. Most recently, 3Up2Down 家計簿 was updated on October 4, 2026 and Instant Compound Calculator on October 8, 2026.

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