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iOS 3 can’t install from Safari. You can still download the IPA file, but you’re on your own after that.
Time Master + Billing
 This app is designed for both iPhone and iPad
  • Price
    $9.99
  • CategoryBusiness
  • First releasedApril 10, 2009
  • Versions2 archived
  • Installable2 of 2
  • AvailabilityStill on the App Store
  • SellerOn-Core Software LLC

RequirementsCompatible with iPhone, iPod touch, and iPad. Requires iOS 3.0 or later.

Customer Ratings

As of December 13, 2018
     
15 Ratings

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The best, most powerful, comprehensive, easy to use time keeping app on the Apple Store is now even better.

Our biggest fans are consultants, attorneys and contractors. Time Master is used by individuals working independently, to attorneys from some of the biggest law firms in the USA. If you need to keep track of time and expenses, you can’t find a better app than Time Master. We at On-Core are IT professionals, so we have firsthand experience with billing and keeping track of time. We know from personal experience what is needed and have made this app so flexible, it works for virtually anyone in any industry in which time needs to be kept.

Features: - Track time by start, stop and/or by duration - Sessions option can track "punch-in & out" for a single time entry - Single or multiple running timers - Timers keep running even if you are not running the app - Time Entries are by Client and can be sub-categorized by Project and Tasks - Powerful billing rates that can be defined in the following priority: Global, by Client, by Project, by Task or Custom per entry - Powerful Time Rounding: by hour, minutes and/or seconds - Multiple Filters to sort and view only what you need to see - Define the day of the week that your work week starts - Track Expenses - from Mileage to Meals to Burning CD's and anything else you want to define - Display Reports right on your device that you can view and export via email in HTML and/or CSV format. By Client or Timesheet - Copy Client information from your Contacts list - Dual taxes for countries such as Canada - Import IIF files - Full Backup & Restore capabilities - and so much more!

OPTIONAL MODULES (one-time additional fee required as an "In App Purchase"): - Invoicing: If you want to do billing directly from your iPhone or iPod Touch then look no further. The most powerful invoicing module built directly into Time Master. Professional PDF invoices can be emailed to the client, including your own logo. - Quickbooks Export: Easily export your Time Entries with a QB IIF file. Win QB 2007 Pro or greater. Mac QB 2010+ with our TimeBridge app (fee applies). See site before purchase. - Synchronization: Wirelessly synchronize two or more devices. If you have an iPad and an iPhone and want to keep the data synchronized between the two devices, this is for you!

Time Master can track both time and expenses. You can track time using start and stop times, duration, and/or timers. All time entries are tracked for a single day, so time entries cannot be greater than 24 hours. It will allow you to time across days, for example if you start a job at 8 p.m. and finish at 2 a.m., it will have a duration of 6 hours.

Expenses can be setup for recurring fixed cost items, such as burning a CD, reimbursement of hardware items, or fluid things such as toll expenses, automobile mileage, etc.

Quick reporting can be done on the iPhone / iPod Touch with the Reports function. The report can be emailed in an HTML and/or CSV format.

Adding new Clients, Projects, Tasks and Expenditures is super easy.  You can create them on the fly without having to navigate to a separate maintenance screen. To edit them you can tap on Setup, do you edit and then return to where you left off in Time Entries or Expenses. By selecting a Project or Task first will automatically fill in the Client field for quick entry.

We’ve made everything as seamless as possible, as you would expect from a top class iOS application. Please click on the "On-Core website" link below to download the documentation on your computer.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

To install apps directly onto this device, it must be jailbroken with AppSync installed.
2.93
Requires iOS 3.0+
Non-Retina
May 28, 2010
6.6 MB Install Download
3.8
Requires iOS 3.0+
Retina (iPhone only)
January 26, 2011
8.5 MB Install Download

Chart History

Top Paid · Business · iPad View chart ›
Peaked at #27 (July 5, 2021) · 33 archived captures · Aug 2010 – Sep 2021
Top Paid · Business View chart ›
Peaked at #45 (June 29, 2021) · 28 archived captures · Jan 2011 – Aug 2021
Top Grossing · Business View chart ›
Peaked at #31 (October 28, 2010) · 1 archived capture · Oct 2010

Ratings Over Time

sampled from 8 archived captures
DateVersionRatingRatingsPrice
April 12, 2010 2.8 — 136 $9.99
January 19, 2011 3.7 — 244 $9.99
January 11, 2012 — — 316 $9.99
July 1, 2013 — — 393 $9.99
December 1, 2015 6.2 — 418 $9.99
December 4, 2016 6.2.2 — 420 $9.99

From archived App Store listing data, captured by the Wayback Machine.

Archived Reviews

8 of 25
iOS 18.7.2 Crash
     
by kapReviewer · February 22, 2026

Crashes immediately after opening in iPadOS 18.7.2 (22H124)

Crashes immediately
     
by IPadua · February 19, 2026

LONG time user of the app. Newest release crashes immediately on startup, iOS 17.7.2. Please help - support link results in 404. Thank you!

Long time user, still loving Time Master
     
by Molliecatt · November 16, 2023

I have used Time Master since 2017 and it still meets all my needs for my small business. I have several clients and it is so easy to print the time sheet (or print an invoice). Nothing else compares!!!

Outstanding
     
by DM856 · February 5, 2025

After using this app for almost 10 years, I must say that it is an outstanding invoicing tool. After being a building contractor and now running a handyman company, this product has become an invaluable resource. It runs near perfectly all the time. Enormous flexibility while remaining extremely intuitive. I highly recommend this product.

Long time user
     
by GreatOracle · May 26, 2023

I have used Time Master for a long time. It is a very good and well written app. I highly recommend it.

Perfect for my needs
     
by Cheshirepoet · January 23, 2026

I’ve written a review before several years ago and wanted to follow up with another review. 16 years of using this app and it still functions beautifully for my needs. While I work full time, I occasionally do freelance work on-the-side and this app has been superb in allowing me to track my hours. I always set up a project as a ‘session’ so I can start and stop the timer as needed, and love that I can include notes after stopping the timer that will appear on the invoice as I enjoy giving my customers transparency into what I worked on during a time period.

Owner
     
by TinaRocks143 · July 8, 2024

This has made billing so simple. I’ve used this app for years.

Indispensable Application
     
by HisWorkmanship · July 2, 2022

I have been using this app since version 1 it has saved me so many hours. I have all the modules and highly recommend every single one of them. I am a computer consultant and use this exclusively for tracking all my hours billing and statements. Thank you to the developer! I see there hasn’t been an update for three years, I pray you were doing well!

Period reviews recovered from Apple's customer-review feeds via the Wayback Machine.

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