Comparison

Lean Work Sampling vs Virox DownTime

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

Head to head
About

Lean Work Sampling

Features
Read full description

The sampling analysis is a statistical method that quantify the different activities of an operator. When activities are labeled as "added value" or "non added value", it gives you the red/green scheme. This app facilitate the implementation of this method: - note your observations by a simple "tap" - see the graphs being constructed in real time - export your data in Excel ! - save as many configurations as needed Sampling analysis is often a teamwork : once you've created a configuration, you can send it by mail to the colleagues of your who have the same app ! Summing-up the results will be a lot easier ! Activity Sampling is used in the industry (Lean Manufacturing) and services, and also for specialized education (quantification of language improvement,...).

About

Virox DownTime

Features
Read full description

Virox Downtime Management is a standard for measuring manufacturing productivity including Interrupt to Production (ITP), Mean Time to Recover (MTTR), and Total Downtime (TD). By measuring Downtime Management and the underlying losses, you will gain important insights into how to systematically improve your manufacturing process. Downtime Management is the single best metric for identifying losses, benchmarking progress, and improving the productivity of manufacturing equipment (i.e., eliminating waste).

Screenshots

Lean Work Sampling2 screens
Virox DownTime1 screens

Verdict

The call

The clearest difference is in-app purchases: Virox DownTime at none against Lean Work Sampling's 2. Virox DownTime also leads on update cadence (weekly vs every 3 months) and iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Lean Work Sampling sells 2 one-off in-app purchases. Virox DownTime asks for nothing beyond the download.

UpkeepUpdate frequency

Lean Work Sampling ships an update every 3 months, Virox DownTime weekly. The most recent releases landed on September 22, 2026 and September 9, 2026 respectively.

Scorecard3 real differences ยท 3 level
Lean Work Sampling versus Virox DownTime: the parameters behind the verdict, then further details
ParameterLean Work SamplingVirox DownTime
PriceFreeFree
Update frequencyEvery 3 monthsWeekly โ€” better
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS15.613.0 โ€” better
Further details โ€” not scored
Size5 MB11 MB
Age rating4+4+
DeveloperHerve KasparianVirox Software

In-app purchases

2 purchases

Lean Work Sampling

One-time2
  • Small Tip$1.99
  • Large Tip$7.99
None

Virox DownTime

No in-app purchases

Questions

Is Lean Work Sampling free?
Lean Work Sampling is free to download, with in-app purchases available.
Is Virox DownTime free?
Virox DownTime is free to download, with no in-app purchases.
Do Lean Work Sampling or Virox DownTime have ads?
Neither Lean Work Sampling nor Virox DownTime shows ads.
Which is updated more often, Lean Work Sampling or Virox DownTime?
Lean Work Sampling ships an update every 3 months, and Virox DownTime weekly. Most recently, Lean Work Sampling was updated on September 22, 2026 and Virox DownTime on September 9, 2026.

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