# Lean Work Sampling vs IoTFlows

The clearest difference is in-app purchases: IoTFlows at none against Lean Work Sampling's 2. IoTFlows also leads on update cadence (every 3 weeks vs every 3 months). Lean Work Sampling's advantage is iOS requirement (15.6 vs 18.0). 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. IoTFlows asks for nothing beyond the download.

Lean Work Sampling ships an update every 3 months, IoTFlows every 3 weeks. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Lean Work Sampling | IoTFlows |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/iotflows/id6471156025/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 5 MB | 56 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Herve Kasparian](https://appshunter.io/developer/1232851521) | [IoTFlows Inc](https://appshunter.io/developer/1567669206) |

## What reviewers say

### 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 |


### IoTFlows

[App page](https://appshunter.io/ios/app/iotflows/id6471156025)

This app provides real-time machine performance monitoring and task management for manufacturing teams. It integrates with AI devices to detect anomalies, automates work orders, and facilitates team collaboration for improved efficiency and reduced downtime.

**Highlights:** Real-time machine utilization monitoring, AI-powered anomaly detection, Automated work order generation, Collaborative task management, Seamless factory floor integration, OEE tracking

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Lean Work Sampling free?

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

### Is IoTFlows free?

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

### Do Lean Work Sampling or IoTFlows have ads?

Neither Lean Work Sampling nor IoTFlows shows ads.

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

Lean Work Sampling ships an update every 3 months, and IoTFlows every 3 weeks. Most recently, Lean Work Sampling was updated on October 9, 2026 and IoTFlows on October 8, 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.*