# Lean Management Toolbox vs Frequency Generator

The clearest difference is update cadence: Frequency Generator at every 3 weeks against Lean Management Toolbox's every 2 months. Lean Management Toolbox's advantage is iOS requirement (13.0 vs 18.6). On price, ads, in-app purchases 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 and Frequency Generator sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Lean Management Toolbox ships an update every 2 months, Frequency Generator every 3 weeks. The most recent releases landed on September 27, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Lean Management Toolbox | Frequency Generator |
| --- | --- | --- |
| 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 | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 89 MB | 282 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Denny Hartmann](https://appshunter.io/developer/1635431627) | [Emre Atik](https://appshunter.io/developer/1686436153) |

## What reviewers say

### 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 |


### Frequency Generator

[App page](https://appshunter.io/ios/app/frequency-generatorsound-wave/id6752813377)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Days Free Trial Weekly PRO | $3.99 | per 7 days |
| Sona Annual PRO | $19.99 | per year |


## Frequently asked questions

### Is Lean Management Toolbox free?

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

### Is Frequency Generator free?

Frequency Generator is free to download, with in-app purchases available.

### Do Lean Management Toolbox or Frequency Generator have ads?

Neither Lean Management Toolbox nor Frequency Generator shows ads.

### Which is updated more often, Lean Management Toolbox or Frequency Generator?

Lean Management Toolbox ships an update every 2 months, and Frequency Generator every 3 weeks. Most recently, Lean Management Toolbox was updated on September 27, 2026 and Frequency Generator on September 25, 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.*