Built for engineers & consultants
00:00:00

Track your hours.
Own your software.

Billable time tracking with live earnings, calendar views, and CSV export. Buy once for $9.99. No subscription, ever.

Buy Klokk — $9.99 USD See how it works ↓

One-time payment · No account required · Works offline

⚡ No account needed
📴 Fully offline
📱 Installs as an app
🔒 Data stays on your device
📄 CSV export
Every view. Every feature.
Tap through to see the full app.
Thu 19 Jun
Client Website Redesign
02:14:07
$334 earned
Pause
Client Website Redesign
BILL$150/hr
02:14:07
$334
⏸
⏹
Annual Report — Copywriting
BILL$120/hr
4h 30m
$540
▶
⏹
Strategy Consulting — Q3
BILL$200/hr
1h 45m
$350
▶
⏹
Internal — Admin & Proposals
Non-Billable
—
▶
⏹
New project name…
Add
⏱
Timers
☀️
Today
📅
Cal
📊
Week
⚙️
Settings
One-tap timers with live earnings
Start, pause, and stop per project. Set an hourly rate and watch earnings accumulate in real time. Only one project runs at a time.
Thu 19 Jun
Client Website Redesign
Hero section layout, mobile breakpoints
2h 14m
$334
Annual Report — Copywriting
Executive summary draft
1h 30m
$180
Strategy Consulting — Q3
Client call, action items
45m
$150
Internal — Admin & Proposals
20m
Total today
4h 49m
Billable 4h 29m · $664
Non-Bill 20m
⏱
Timers
☀️
Today
📅
Cal
📊
Week
⚙️
Settings
Daily log with earnings breakdown
Every project tracked today, with session notes, hours, earnings per project, and a billable vs non-billable summary.
Thu 19 Jun
‹
June 2025
›
M
T
W
T
F
S
S
26
27
28
29
30
31
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
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20
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22
Thursday 19 June
4h 49m total
Client Website Redesign
2h 14m
$334
Annual Report
1h 30m
$180
Strategy Consulting
45m
$150
⏱
Timers
☀️
Today
📅
Cal
📊
Week
⚙️
Settings
Calendar view with colour dots
Navigate month by month. Days with logged time show a colour dot. Tap any date for a full project and earnings breakdown.
Thu 19 Jun
Mon
16
Tue
17
Wed
18
Thu
19
Fri
20
Sat
21
Sun
22
ProjectDayWeek
Website Redesign2h 14m9h 30m
Annual Report1h 30m6h 15m
Strategy Consulting45m4h 00m
Admin & Proposals20m1h 10m
Total4h 49m20h 55m
⏱
Timers
☀️
Today
📅
Cal
📊
Week
⚙️
Settings
Week summary — day vs week totals
Browse any day of the week. See that day's hours alongside the full week total per project. Know exactly where your time went.
Thu 19 Jun
June 2025 earnings
$4,820
from 32h 40m billable time
Billable 32h 40m$4,820
Non-Billable 9h 15m—
ProjectHoursEarned
Website Redesign14h$2,100
Annual Report10h 30m$1,260
Strategy Consulting8h 10m$1,460
Admin & Proposals9h 15m—
⏱
Timers
☀️
Today
📅
Cal
📊
Month
⚙️
Settings
Monthly earnings rollup
Total earnings for the month broken down by project. Know your billable vs non-billable split at a glance, ready for invoicing.
Live demo
Try it before you buy.
This is the real app — start timers, add projects, watch earnings tick up. Resets on refresh.
⚡ Demo resets on page refresh
▶
Start any timer
Tap the play button next to any project. The active banner appears at the top.
➕
Add your own projects
Type a name and tap Add. Your projects, your workflow.
💰
Earnings tick up live
Pre-seeded projects have hourly rates set — watch the dollar figure grow.
00:00:00
⏱ Timers
☀️ Today
📅 Calendar
⚙️ Settings
Like what you see? Own it for $9.99
Buy now →
Features
Everything a consultant actually needs

No project management suite. No integrations. Just clean time records and fast export.

⏱
One-tap timers

Start, pause, stop per project. Switch projects and the previous one pauses automatically.

💰
Live earnings display

Set an hourly rate per project. Earnings tick up in real time and roll up into daily, weekly, and monthly totals.

📅
Calendar view

Navigate month by month. Colour dots mark days with logged time. Tap any date for a full breakdown.

📄
CSV export

Date, project, hours, billable status, rate, earnings, and notes — ready for your invoice or timesheet.

📴
Works fully offline

Install as a PWA and use it anywhere. Your data is stored locally on your device.

🎨
Colour-coded projects

Each project gets its own colour. Drag to reorder. The active timer glows — you always know what's running.

Why Klokk
Less than one month of Toggl.
Yours forever.

Most time trackers charge $9–20 per month. Klokk costs $9.99 once. After month one you're ahead — permanently.

Toggl / HarvestKlokk
Cost$9–$20 / month$9.99 once
After 12 months$108–$240 spentStill $9.99
Account requiredYesNo
Works offlineLimitedFully offline
Data ownershipTheir serversYour device
Billable rate trackingPaid plans onlyIncluded
Live earnings displayNoYes
CSV exportYesYes
Pricing
One price. One time.
Klokk — Full licence
$ 9.99 USD
Pay once, yours forever
  • Unlimited projects
  • Billable rate tracking & live earnings
  • Calendar, week & month views
  • CSV export with rates & earnings
  • Session notes per timer
  • Works offline — installs as a PWA
  • All future updates included
  • Data stays on your device
Buy Klokk — $9.99 USD

No subscription. No account. No expiry.

FAQ
Common questions
Gumroad emails you a licence key immediately. Enter it in the Klokk app to unlock full access. No account, no download, no waiting.
A Progressive Web App installs like a native app from your browser. On iOS open Klokk in Safari and tap "Add to Home Screen." On Android or desktop, look for the install prompt. Once installed it works offline.
Entirely on your device in browser local storage. Klokk has no server and no cloud sync. Export a backup from Settings to save a JSON file you can restore any time.
Yes — your licence key works on any device. Data doesn't sync automatically, but you can export and import a backup to move records between devices.
Yes. Klokk updates automatically at the same URL. All new features are included in your licence at no extra cost.