# UMT Plus vs Lean Work Sampling

The clearest difference is in-app purchases: UMT Plus at none against Lean Work Sampling's 2. UMT Plus also leads on update cadence (every 11 days vs every 3 months) and iOS requirement (12.0 vs 15.6). On price, ads and device support there is nothing between them.

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

UMT Plus ships an update every 11 days, Lean Work Sampling every 3 months. The most recent releases landed on June 22, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | UMT Plus | Lean Work Sampling |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/umt-plus/id501809425/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 months |
| Monetization | Free | — |
| Size | 43 MB | 5 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Laubrass Inc.](https://appshunter.io/developer/482693951) | [Herve Kasparian](https://appshunter.io/developer/1232851521) |

## What reviewers say

### UMT Plus

[App page](https://appshunter.io/ios/app/umt-plus/id501809425)

This application helps analyze how time is spent across various industries to boost productivity. It enables users to conduct time studies, work sampling, and OEE studies, integrating with professional software.

**Highlights:** Time study analysis, Work sampling studies, OEE study configuration, Professional software integration, Productivity improvement

**Features:** macOS Compatibility

**In-app purchases:** none


### Lean Work Sampling

[App page](https://appshunter.io/ios/app/lean-work-sampling-lean-tool/id1256690217)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Large Tip | $7.99 | one-time |


## Frequently asked questions

### Is UMT Plus free?

UMT Plus is free to download, with no in-app purchases.

### Is Lean Work Sampling free?

Lean Work Sampling is free to download, with in-app purchases available.

### Do UMT Plus or Lean Work Sampling have ads?

Neither UMT Plus nor Lean Work Sampling shows ads.

### Which is updated more often, UMT Plus or Lean Work Sampling?

UMT Plus ships an update every 11 days, and Lean Work Sampling every 3 months. Most recently, UMT Plus was updated on June 22, 2026 and Lean Work Sampling on September 22, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*