Comparison

Driven Car Wash vs Time Observation Calculator

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

Head to head
About

Driven Car Wash

Easily find nearby car wash locations, manage your membership, and discover exclusive deals. Track your wash history and update your account details on the go. Experience a quick and convenient car wash service.

Highlights
  • Find nearby locations
  • Manage membership accounts
  • Access exclusive deals
  • View account history
  • Add vehicles
  • Update payment methods
Features
Read full description

Ready to go from Driven to Dazzling in three minutes or less? Download the Driven Car Wash Mobile app today to search for a location near you, explore new deals, get directions and find location hours. Already a Driven Unlimited Member? With the Driven Car Wash app you can easily access and manage your account right on your mobile device. We’ve made it easier than ever to add a vehicle, update your payment method and view your account history. Not an Unlimited Member yet? Then download the app today to explore our Unlimited Wash packages and our latest deals and promotions. We’re Driven to provide you the best in quality, community and responsibility, so download our app today and experience the five star wash our customers love!

About

Time Observation Calculator

This app streamlines time studies for continuous improvement initiatives like Kaizen and SMED. It combines a stopwatch, data capture, and instant analysis to help optimize workflows and reduce waste. Ideal for professionals and students in industrial engineering and manufacturing.

Highlights
  • Built-in stopwatch for data capture
  • Instant analysis of results
  • Capture key data points and notes
  • Streamlines time studies
  • Optimizes workflow efficiency
  • Supports Kaizen, SMED, and Gemba walks
Features
Read full description

Tired of juggling a stopwatch, notepad, and calculator? There's a better way to do a time study. The Time Study App is an all-in-one solution for continuous improvement, putting a precise Time Observation Calculator right in your pocket. Designed for Kaizen, SMED, and Gemba walks, this app helps you: Capture data with an intuitive, built-in stopwatch. Instantly analyze results to make smarter decisions. Get precise data to improve efficiency and reduce waste. Stop manual time studies and start optimizing your workflow. Take control of your time and data to drive meaningful, lasting change. Designed for professionals and students of Lean and Kaizen, this app allows you to: Conduct accurate time studies with an intuitive, built-in stopwatch. Instantly calculate results for your SMED, Gemba, and continuous improvement events. Capture key data points, notes, and observations. Spend less time on manual calculations and more time on what matters—optimizing your workflow. Take control of your time and data to drive meaningful, lasting change. Perfect for industrial engineering, manufacturing, and anyone dedicated to continuous improvement.

Screenshots

Driven Car Wash3 screens
Time Observation Calculator4 screens

Verdict

The call

The clearest difference is review sentiment: Time Observation Calculator at 100% against Driven Car Wash's 35%. Time Observation Calculator also leads on rating (5.0 vs 4.1) and ads (none vs shown). Driven Car Wash's advantage is price (Free vs $19.99) and ratings volume (192 vs 3). On in-app purchases, 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

Driven Car Wash is free to download; Time Observation Calculator costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Time Observation Calculator holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Driven Car Wash has 192 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 35% of Driven Car Wash's written reviews are positive against 100% of Time Observation Calculator's.

UpkeepUpdate frequency

Driven Car Wash ships an update every 4 months, Time Observation Calculator every 3 weeks. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

Scorecard7 real differences · 3 level
Driven Car Wash versus Time Observation Calculator: the parameters behind the verdict, then further details
ParameterDriven Car WashTime Observation Calculator
PriceFree — better$19.99
Rating4.1 (192 ratings)5.0 (3 ratings) — better
Positive reviews34.8% of reviews100.0% of reviews — better
Number of ratings192 — better3
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size150 MB7 MB
Age rating4+4+
DeveloperDriven Car WashAaron Davidson

Customer experience

Driven Car Wash

All ratings147 ratings
Positive72.1%
Neutral1.4%
Negative26.5%
Written reviews23 reviews
Positive34.8%
Neutral4.3%
Negative60.9%

Time Observation Calculator

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Driven Car Wash

No in-app purchases

None

Time Observation Calculator

No in-app purchases

Questions

Is Driven Car Wash free?
Driven Car Wash is free to download, with no in-app purchases.
Is Time Observation Calculator free?
Time Observation Calculator costs $19.99, with no in-app purchases.
Which has better reviews, Driven Car Wash or Time Observation Calculator?
Time Observation Calculator is rated higher. Driven Car Wash averages 4.1 out of 5 from 192 ratings, while Time Observation Calculator averages 5.0 from 3 ratings.
Do Driven Car Wash or Time Observation Calculator have ads?
Driven Car Wash shows ads; Time Observation Calculator does not.
Which is updated more often, Driven Car Wash or Time Observation Calculator?
Driven Car Wash ships an update every 4 months, and Time Observation Calculator every 3 weeks. Most recently, Driven Car Wash was updated on November 7, 2026 and Time Observation Calculator on October 30, 2026.

Other comparisons