# Opus App vs Lean Management Toolbox

The clearest difference is in-app purchases: Opus App at none against Lean Management Toolbox's 2. Opus App also leads on iOS requirement (9.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Lean Management Toolbox sells 2 in-app purchases, starting at $5.99 per month. Opus App asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 7, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Opus App | Lean Management Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lean-management-toolbox/id1635431415/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 155 MB | 89 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [LUNDIN SOFTWARE SRL](https://appshunter.io/developer/1508584818) | [Denny Hartmann](https://appshunter.io/developer/1635431627) |

## What reviewers say

### Opus App

[App page](https://appshunter.io/ios/app/opus-app/id1555440529)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lean Management Toolbox

[App page](https://appshunter.io/ios/app/lean-management-toolbox/id1635431415)

Enhance workplace productivity and meeting efficiency with comprehensive audit tools. Identify areas for improvement, manage tasks with a Kanban board, and track progress through detailed reports. Optimize your organization's operations and reduce waste.

**Highlights:** 5S/6S Audit Checklist, Location and Area Management, Kanban Task Management, Audit Reports, Meeting Efficiency Audit, Meeting Cost Counter

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access - Monthly | $5.99 | per month |
| Premium Access - Yearly | $59.99 | per year |


## Frequently asked questions

### Is Opus App free?

Opus App is free to download, with no in-app purchases.

### Is Lean Management Toolbox free?

Lean Management Toolbox is free to download, with in-app purchases available.

### Do Opus App or Lean Management Toolbox have ads?

Neither Opus App nor Lean Management Toolbox shows ads.

### Which is updated more often, Opus App or Lean Management Toolbox?

Opus App ships an update every 2 months, and Lean Management Toolbox every 2 months. Most recently, Opus App was updated on October 7, 2026 and Lean Management Toolbox on September 27, 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.*