DayInBook vs FIRE資産計算
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DayInBook
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DayInBook is a personal finance tracker designed with one ultimate goal: "Financial Freedom." We believe that bookkeeping isn't just about tracking expenses—it's about auditing your life and planning your future. With DayInBook, you can: • Experience a minimalist and smooth tracking flow. • Use AI models to analyze your financial health. • Watch your "Financial Freedom Progress Bar" fill up as your passive income covers your expenses. Making saving money feel like an achievement. Data is securely synced via native iCloud. Terms of Use: https://caoyangup.com/blog/cashflow-fuwu-tiaokuan Privacy Policy: https://caoyangup.com/blog/cashflow-yinsi-zhengce
FIRE資産計算
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積立・目標・FIRE（4%ルール）をサクッと試算。年利3/5/7%で比較して、将来資産のイメージを掴めます。
Screenshots
Verdict
The clearest difference is in-app purchases: FIRE資産計算 at none against DayInBook's 4. FIRE資産計算 also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). DayInBook's advantage is ads (none vs shown). On price and update cadence 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. DayInBook sells 4 in-app purchases, starting at $1.99 per month. FIRE資産計算 asks for nothing beyond the download.
DayInBook ships an update every 3 days, FIRE資産計算 every 5 days. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.
| Parameter | DayInBook | FIRE資産計算 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days — better | Every 5 days |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 15 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | 阳 曹 | Hiroto Ouchi |
In-app purchases
DayInBook
- PRO月订阅$1.991 Month
- PRO年订阅$9.991 Year
- AI积分100$1.99
- AI积分1000$17.99
FIRE資産計算
No in-app purchases
