Comparison

Oilfield Calendar vs WorkTime

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Oilfield Calendar

This app helps oilfield workers and their families organize complex work schedules. Easily customize hitch schedules, view holidays on days off, and share your plans with others. It's an essential tool for managing life on and off the rig.

Highlights
  • Customize oil and gas hitch schedules
  • View holidays on days off
  • Month and year views
  • Create and compare multiple schedules
  • Print and share schedules in PDF
Features
Read full description

If you're an oilfield worker Oilfield Calendar is the easy-to-use calendar and planning app that you just can’t do without. See how easy it can be to keep your life organized! Oilfield Calendar, a simple to use scheduling tool for oilfield families. • Customize your oil and natural gas hitch with easy to use interface • Drilling, production, and facility workers, this will be your wives’ new best friend. • Vendors, know which DSM is on tour to sign your tickets. • See if important holidays like Christmas or your birthday falls on your days off, plan ahead using month and year views. • Create and compare multiple schedules, or print and share them in PDF. How to Use Oilfield Calendar • Create and change new hitches in the hitch editor. • Holidays are marked with oil drops in month view. • Print and share your schedule in year view. You’ve got your hardhat, steal toes, and glasses, add Oilfield Calendar to essential tools to have when working in the patch. Oilfield schedules can be difficult, now you can manage your busy schedule at home, and at the rig, plan ahead with the Oilfield Calendar app. Keep your life turning to the right. ** Feel free to drop us a line! We’re always listening to your suggestions and strive to improve our apps! If you have any feedback just contact us, support@archimedesworkshop.co ** ** Are you happy with the Oilfield Calendar app? We’d love to hear about it! Please take a moment to leave us a nice review, it truly helps us continue creating great tools for the industry! ** While you’re in the sharing mood, go ahead and like and post this on Facebook too, Be Good!

About

WorkTime

Easily track your work shifts and hours with this intuitive calendar app. Designed for shift workers, it allows quick entry, schedule visualization, and helpful reminders. Premium features include advanced hour tracking and calendar syncing.

Highlights
  • Shift calendar visualization
  • Quick shift entry
  • Shift reminders
  • Hours and wages tracking
  • Schedule sharing
  • Sync to phone calendar
Features
Read full description

TRACKING WORK SHIFTS HAS NEVER BEEN EASIER. WorkTime is the shift calendar trusted by over 1,000,000 workers. Set your shift times, see them all at a glance, set alerts, add up your hours, and share your schedule. Do you work rotating shifts, irregular hours, or random days? WorkTime tracks your entire work schedule on one clean calendar. Enter shifts with just two taps. See your whole month at a glance. No more scribbling shifts on scraps of paper. FEATURES • See all your shifts at a single glance on a unique time-display calendar • Enter shift start times with just two taps • Add shifts quickly from your Recent Shifts list • Add notes and reminders to any day • Share your schedule via email or save it as a photo • Share multiple months at once PREMIUM FEATURES • Add unlimited jobs • Track hours worked and wages with the Hours Calculator • Set alerts to remind you before an upcoming shift • Ad-free interface • Sync to your phone's calendar SET AND NEVER FORGET. Set reminders based on how much time you need to get ready. WorkTime alerts you before every shift so you never miss one. BUILT FOR SHIFT WORKERS. Whether you're a nurse, barista, bartender, warehouse worker, retail associate, or anyone who works shifts — WorkTime is built for you. Subscription pricing and terms: WorkTime offers auto-renewing subscription options. Prices shown are for United States customers. Pricing in other countries may vary and actual charges may be converted to your local currency depending on the country of residence. Your subscription will automatically renew at the end of each term and your credit card will be charged through your App Store account. You can turn off auto-renew at any time from your device's Settings > Subscriptions. Refunds will not be provided for any unused portion of the term. Terms of Use: http://totoventures.com/terms-of-use/ Privacy Policy: http://totoventures.com/privacy-policy/

Screenshots

Oilfield Calendar4 screens
WorkTime4 screens

Verdict

The call

The clearest difference is price: WorkTime at Free against Oilfield Calendar's $1.99. WorkTime also leads on ratings volume (4.7K vs 1.3K). Oilfield Calendar's advantage is in-app purchases (none vs 7) and review sentiment (81% vs 59%). On update cadence, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

WorkTime is free to download; Oilfield Calendar costs $1.99 up front. WorkTime sells 7 in-app purchases, starting at $3.99 per 7 days. Oilfield Calendar asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Oilfield Calendar holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 1.3K and 4.7K respectively. Written reviews point the same way: 81% of Oilfield Calendar's written reviews are positive against 59% of WorkTime's.

UpkeepUpdate frequency

Oilfield Calendar ships an update every 5 weeks, WorkTime every 3 weeks. Both last shipped on October 29, 2026.

Scorecard8 real differences · 3 level
Oilfield Calendar versus WorkTime: the parameters behind the verdict, then further details
ParameterOilfield CalendarWorkTime
Price$1.99Free — better
Rating4.6 (1.3K ratings) — better4.4 (4.7K ratings)
Positive reviews81.4% of reviews — better58.9% of reviews
Number of ratings1.3K4.7K — better
Update frequencyEvery 5 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
Best chart rank#19 — better—
DevicesiPhone, iPodiPhone, iPad
Requires iOS10.3 — better16.0
Further details — not scored
Size4 MB59 MB
Age rating4+4+
DeveloperGoodStampToto Ventures Inc.

Customer experience

Oilfield Calendar

All ratings1,248 ratings
Positive92.3%
Neutral5.2%
Negative2.5%
Written reviews97 reviews
Positive81.4%
Neutral11.3%
Negative7.2%

WorkTime

All ratings4,671 ratings
Positive84.3%
Neutral7.3%
Negative8.4%
Written reviews487 reviews
Positive58.9%
Neutral12.3%
Negative28.7%

User reviews

Oilfield Calendar

From 1.3K App Store ratings

What we love

  • 🚀 Convenient
  • 👍 Great
  • 👍 Easy to use
  • 👍 Well worth it
  • 👍 Amazing app

Room to improve

  • 🐛 Not all events show up
  • 🐛 Issues with new year
  • 🐛 Emailing schedule crashes app
  • 🐛 Monthly view not working
  • 🐛 Email function fails

WorkTime

From 4.7K App Store ratings

What we love

  • 🚀 Simple and easy to use
  • 👍 Helpful for organizing shifts and schedules
  • 💰 Calculates earnings and pay
  • 📆 Convenient calendar view

Room to improve

  • 🔒 Requires subscription for full functionality
  • 💰 Subscription cost is too high
  • 🐛 Bugs and glitches after updates
  • 🔄 Difficulty restoring purchases

Bugs and requests

Oilfield Calendar

Reported bugs

5 issues
  • Not all events show up
  • Issues with new year
  • Emailing schedule crashes app
  • Monthly view not working
  • Email function fails

Requested features

7 requests
  • Add alarms to pending schedules
  • Add ability to change shift colors
  • Add pay period tracking
  • Add widget for upcoming shifts
  • Add ability to enter vacations
Show 2 more
  • Add ability to track extra days worked
  • Sync with main calendar app

WorkTime

Reported bugs

3 issues
  • Shifts/data randomly disappearing after updates
  • Inability to restore pro subscription
  • Calendar view freezing and becoming unresponsive

Requested features

4 requests
  • Add weekend/holiday pay rates
  • Ability to sync with other calendars
  • Option to customize font size and layout
  • Implement a search/filter feature

In-app purchases

None

Oilfield Calendar

No in-app purchases

7 purchases

WorkTime

Subscriptions6
  • 1 Wk WorkTime Shift Scheduler14 Days trial$3.997 Days
  • WorkTime Pro: One Week14 Days trial$3.997 Days
  • 1 Month WorkTime Shift Manager14 Days trial$8.991 Month
Show 3 more
  • 6 Month WorkTime Shift Worker$29.996 Months
  • WorkTime Pro Annual Subscription14 Days trial$39.991 Year
  • 1 Year WorkTime Job Calendar14 Days trial$49.991 Year
One-time1
  • Work Calendar & Shift Schedule$3.99

Questions

Is Oilfield Calendar free?
Oilfield Calendar costs $1.99, with no in-app purchases.
Is WorkTime free?
WorkTime is free to download, with in-app purchases available.
Which has better reviews, Oilfield Calendar or WorkTime?
Oilfield Calendar is rated higher. Oilfield Calendar averages 4.6 out of 5 from 1.3K ratings, while WorkTime averages 4.4 from 4.7K ratings.
Do Oilfield Calendar or WorkTime have ads?
Neither Oilfield Calendar nor WorkTime shows ads.
Which is updated more often, Oilfield Calendar or WorkTime?
Oilfield Calendar ships an update every 5 weeks, and WorkTime every 3 weeks. Most recently, Oilfield Calendar was updated on October 29, 2026 and WorkTime on October 29, 2026.

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