Sakidori Budget

Receipt-based budgeting apps don't last.
Sakidori Budget is "register once, then just look".
Starting from your payday, it tells you how much is safe to spend until the next one.

■ What's different
・Pay periods, not months: each period runs from payday to the day before the next payday. If payday falls on a weekend or holiday, you can move it earlier or later. The hero number is "safe to spend this pay period".
・No receipts: register rent, utilities, phone and salary once. Amounts that change monthly, like electricity, can be overridden for that month only.
・Three ledgers that never mix: living costs (household), subscriptions and side job are separate books. Hide the ones you don't use.
・Home Screen widgets (free): pick household, subscriptions, side job or overview and put the key number on your Home Screen. The medium size adds that ledger's daily cash-flow calendar. Stack all four and flip through them in one slot.
・Data stays on your device: nothing is sent to a server. Back up to your own iCloud (free). Lock the app with Face ID.

■ Household
・Safe to spend = income this period − fixed costs, subscriptions and planned expenses
・Per-day allowance and days until payday
・Your current balance and the expected savings at period end (tap the eye to hide every amount)
・Tap the top panel to flip it into a daily cash-flow calendar

■ Subscriptions
・Monthly or yearly, everything converted to per-month and per-year, sorted by cost
・Next billing date, cancel date, paused items
・Billed total per period; only one line flows into the household ledger (no double counting)

■ Side job
・Enter sales and expenses once a month
・Profit this period, vs previous period, and this year's profit (sales − expenses) against the ¥200,000 tax-filing line (Japan)
・Switch the totals between the last 12 pay periods, by year, or all time
・CSV export for tax filing (Pro)

■ Reports
・See your overall cash flow at a glance: a breakdown by category (donut chart and shares) and a trend by pay period (bar chart)
・Create your own categories such as Fixed costs, Living or Fun, or start from suggestions based on your names
・Pick the category right when you add an item (or sort names into categories later in Settings)
・Totals and counts for each name in the period (e.g. a convenience store, 2 times, ¥1,620)

■ Also
・Rent going up or payday changing? Change it "from this period" and past periods keep their numbers
・Choose Light, Dark or System appearance
・Reminders before payments (same day, day before, 3 days before)
・Japanese and English
・iPhone and iPad

■ Pricing
Planning and widgets are completely free (the free version shows banner ads).
Pro (¥240/month or ¥1,920/year): no ads, unlimited names, app icon colors, side job CSV export.
Subscriptions renew automatically unless cancelled at least 24 hours before the end of the period. Payment is charged to your App Store account.

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