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.
Lean Work Sampling
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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,...).
Virox DownTime
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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).
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Verdict
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
Both are free to download. Lean Work Sampling sells 2 one-off in-app purchases. Virox DownTime asks for nothing beyond the download.
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.
| Parameter | Lean Work Sampling | Virox DownTime |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Weekly โ better |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 15.6 | 13.0 โ better |
| Further details โ not scored | ||
| Size | 5 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Herve Kasparian | Virox Software |
In-app purchases
Lean Work Sampling
- Small Tip$1.99
- Large Tip$7.99
Virox DownTime
No in-app purchases
Questions
Is Lean Work Sampling free?
Is Virox DownTime free?
Do Lean Work Sampling or Virox DownTime have ads?
Which is updated more often, Lean Work Sampling or Virox DownTime?
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