Comparison

Workover Assistant vs TimeCalc

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

Head to head
About

Workover Assistant

This utility app assists oil and gas field personnel with essential calculations for well workovers. It provides tools for hydrostatic pressure, internal capacity, and other critical functions, serving as a convenient resource for rig site or office use.

Highlights
  • Hydrostatic pressure calculations
  • Internal capacity calculations
  • Oil and gas well workover tools
  • Rig site and office utility
  • Accurate field calculations
Features
Read full description

Workover Assistant is designed to help field personnel perform quick, accurate calculations related to oil and gas well workovers. It includes tools for hydrostatic pressure, internal capacity, and other common workover functions—making it a handy companion for the rig site or office.

About

TimeCalc

This app accurately calculates time-related tasks, including working hours, durations between dates, and age. It offers a user-friendly interface with dark mode and offline functionality, allowing for easy time management for work and personal life.

Highlights
  • Calculate working hours
  • Calculate time between two points
  • Add and subtract time
  • Calculate age
  • Convert time units
  • Export calculations to PDF
Features
Read full description

TimeCalc is a powerful yet simple time calculator for everyday use — add and subtract hours, track work durations, calculate future dates, and find exact age in seconds. TIME CALCULATOR Add, subtract multiple time values in sequence. Instant results, calculation history saved. Examples: 2h 35m + 3h 45m = 6h 20m 12h 20m − 4.5h = 7h 50m 4h 52m × 3 = 14h 36m 1h ÷ 20m = 3 Convert between time units: 456m = 7h 36m = 7.6h TIME BETWEEN (DURATION) Enter any start and end time to calculate the exact duration. Organize into separate categories. Export PDF reports (Premium). Examples: 11:20 AM → 12:40 PM = 1h 20m 01:30 AM → 02:30 PM = 13h Today 02:00 → Tomorrow 02:30 = 24h 30m DATE CALCULATOR (ADD & SUBTRACT) From any starting date, add or subtract years/months/weeks/days/hours/minutes to get the resulting date. Calendar-accurate arithmetic — adding 1 month to Jan 31 gives the correct last day of February. Example: Today 17:32 + (1d 2h) = Tomorrow 19:32 AGE CALCULATOR Calculate exact age in years, months, and days from a birth date. Save multiple birthdays to track. --- KEY FEATURES • Automatic light & dark mode • Supports both 12h and 24h formats • Multi-language support • No account, no cloud — 100% local data • Privacy-first — your data never leaves your device --- PREMIUM Upgrade to Premium to unlock the full experience: • Remove all ads • Unlimited Time Between categories • Export reports to PDF • Advanced time unit customization Subscription plans: Monthly, Quarterly, Yearly, or Lifetime. --- Perfect for tracking work hours, calculating durations, and managing time efficiently. Thank you for using TimeCalc! [Terms] https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Workover Assistant4 screens
TimeCalc4 screens

Verdict

The call

The clearest difference is rating: Workover Assistant at 5.0 against TimeCalc's 4.5. Workover Assistant also leads on in-app purchases (none vs 4) and ads (none vs shown). TimeCalc's advantage is update cadence (every 5 weeks vs every 58 months) and ratings volume (89 vs 2). On price, device support and iOS requirement 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

Both are free to download. TimeCalc sells 4 in-app purchases, starting at $0.99 per month. Workover Assistant asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Workover Assistant holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: TimeCalc has 89 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Workover Assistant ships an update every 58 months, TimeCalc every 5 weeks. The most recent releases landed on October 4, 2026 and October 15, 2026 respectively.

Scorecard6 real differences · 4 level
Workover Assistant versus TimeCalc: the parameters behind the verdict, then further details
ParameterWorkover AssistantTimeCalc
PriceFreeFree
Rating5.0 (2 ratings) — better4.5 (89 ratings)
Positive reviews—78.3% of reviews
Number of ratings289 — better
Update frequencyEvery 58 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.1 — better
Further details — not scored
Size3 MB37 MB
Age rating4+4+
DeveloperKelly GayneauxHa Thanh

Customer experience

Workover Assistant

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

TimeCalc

All ratings89 ratings
Positive86.5%
Neutral3.4%
Negative10.1%
Written reviews83 reviews
Positive78.3%
Neutral3.6%
Negative18.1%

In-app purchases

None

Workover Assistant

No in-app purchases

4 purchases

TimeCalc

Subscriptions3
  • Premium subscription 1 month3 Days trial$0.991 Month
  • Premium subscription 3 month3 Days trial$1.993 Months
  • Premium subscription 1 year3 Days trial$4.991 Year
One-time1
  • Premium$14.99

Questions

Is Workover Assistant free?
Workover Assistant is free to download, with no in-app purchases.
Is TimeCalc free?
TimeCalc is free to download, with in-app purchases available.
Which has better reviews, Workover Assistant or TimeCalc?
Workover Assistant is rated higher. Workover Assistant averages 5.0 out of 5 from 2 ratings, while TimeCalc averages 4.5 from 89 ratings.
Do Workover Assistant or TimeCalc have ads?
TimeCalc shows ads; Workover Assistant does not.
Which is updated more often, Workover Assistant or TimeCalc?
Workover Assistant ships an update every 58 months, and TimeCalc every 5 weeks. Most recently, Workover Assistant was updated on October 4, 2026 and TimeCalc on October 15, 2026.

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