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CostBoard
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100% on-device · no account · no ads

Your finances and quotes.
Calmly. Privately.

Track household spending and create professional quotes for clients - all on your phone, with no cloud and no tracking.

Download onApp StoreGet it onGoogle Play
4.9 · 2,400+ ratings
13 currencies · PL & EN
  • No account
  • Works offline
  • Encrypted on-device
  • 13 currencies · PL & EN
  • Zero ads
Everything in one place

Numbers that are the hero

A clear dashboard, beautiful charts and quotes ready to send - designed to keep you focused on what matters.

A dashboard that calms you

One big number, the delta against last month, a 6-month trend and a category breakdown. No noise.

This month
8 420,50 zl
↓ 12%

Multi-currency

PLN, EUR, USD, GBP and 9 more - with correct formatting and tabular figures.

Budgets with alerts

Under / near / over states clearly distinguished, with a warning threshold.

Analytics

Bars, trend, category donut and period-over-period comparisons.

Recurring expenses

Subscriptions and bills weekly or monthly - set them once.

Backup & export

JSON, CSV and XLSX - your data always within reach, never locked in.

For contractors and freelancers

Professional quotes in minutes

Line items in sections, quantities, VAT rates and discounts - with totals calculated live. You send the finished, elegant document as a PDF or by email.

  • Numbering and clients automatically
    Client database, company details, default VAT and validity.
  • Templates and statuses
    Draft, Sent, Accepted - full control over the funnel.
  • Export to PDF, email and Excel
    Print-ready document with your logo and company details.
One switch

Personal and business - kept apart

Personal is your household costs. Business is quotes for clients. You switch with one tap - the data never mixes.

Personal
Home, family, renovation
Spent this month
8 420,50 zl
BudgetsCategoriesRoomsTrends
Business
Clients and quotes
Value of open quotes
70 350 zl
Accepted
42 750 zl
Sent
27 600 zl
Client databaseTemplatesStatusesPDF export

Privacy is not a feature.
It is the foundation.

CostBoard has no servers your data could land on. Everything is computed and stays on your phone - no accounts, no cloud, no analytics, no ads.

0
servers we send data to
100%
of data on-device only
None
trackers and analytics
You
are the only owner of the backup
For you and your home

From groceries to home renovation

Household, personal and renovation projects in one calm place - split by rooms, categories and payment statuses.

Household expenses
Home renovation
Split by rooms
Paid vs planned
Monthly and yearly budgets
Recurring expenses
Budget · Home renovation120%
4 800 zl/ 4 000 zl
Budget · Groceries60%
720 zl/ 1 200 zl
Understand your spending

Analytics that calm you

Bars, trend, category donut and month-over-month comparisons - clear and without overload.

Monthly spending
Average 7,990 zl · 6 mo.
â–¼ 4,2%
8 420
zl · June
GroceriesHomeTransport
Bilingual and multi-currency

Polish and English - no compromises

Longer Polish labels wrap and shorten elegantly - nothing gets cut off. On top of that, 13 currencies with correct formatting.

Polish labels
  • Spent this month
  • Compared with the previous month
  • Average per day
  • Partially paid
  • Export as a PDF file
  • App appearance settings
13 currencies
PLN zlEUR €USD $GBP £CHFCZKSEKNOKDKKHUFJPY ¥CAD $AUD $
Switch language with one tap
Make it yours

Light, dark and 7 themes

Pick an accent, text size, high contrast and reduced motion - with a live preview. Full parity between light and dark mode.

  • Default
  • Midnight
  • Ocean
  • Forest
  • Sunset
  • Rose
  • AMOLED
Quote flow · real screens

From list to finished PDF

Four steps of a real flow from the app: the quote list, line items with live totals, the document preview, sending as a PDF.

1Quote list
Quotes
AllSentAccepted
Open
70 350
Accepted
42 750
#2026-014Sent
Bathroom renovation
Jan Kowalski18 400 zl
#2026-013Accepted
Office fit-out
Nowak Sp. z o.o.42 750 zl
2Line items · live totals
CancelNew quoteSave
Title
Bathroom renovation
JK
Jan Kowalski
Krakow
Materials
Tiles
24 m² × 165
3 960
Cabinet
1 szt × 3 280
3 280
Net
14 960
VAT
3 440
TOTAL
18 400
Preview
3Document preview
Kowalczyk Studio
NIP 676-123-45-67
QUOTE
For
Jan Kowalski
Valid until
30 Jun 2026
Materials
Porcelain tiles3 960
Cabinet with basin3 280
Labor
Laying and installation5 800
VAT 23%3 440,80 zl
TOTAL18 400,80 zl
4Send as PDF
QUOTE
PDF
Quote_2026-014.pdf
1 strona · 148 KB
Email with PDF
To: Jan Kowalski
PDFSave
XLSExcel
Send to client
Pricing

Fair and no subscription

Start free. Unlock quotes and backups with a one-time payment - no subscription.

Free
0 zlforever

Everything you need for personal finances.

  • Unlimited expenses and budgets
  • Analytics and all themes
  • PL & EN, 13 currencies
Download for free
FOR PRO
Pro · quotes
79 zlone-time

For contractors and freelancers. Pay once, keep it forever.

  • Everything in the free plan
  • Unlimited quotes and clients
  • Export PDF / email / Excel
  • Company profile and templates

Frequently asked questions

No. Everything stays on your device. You create the backup yourself as a file (JSON/CSV/XLSX) and keep it wherever you want.

Start counting calmly

Download CostBoard and take control of your finances - entirely on your phone.

Download onApp StoreGet it onGoogle Play