# Lean Work Sampling vs Spotxel® Reader

Lean Work Sampling and Spotxel® Reader are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Lean Work Sampling sells 2 one-off in-app purchases and Spotxel® Reader sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Lean Work Sampling ships an update every 3 months, Spotxel® Reader every 2 months. The most recent releases landed on September 22, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | Lean Work Sampling | Spotxel® Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.4 (7 ratings)](https://appshunter.io/ios/app/spotxel-reader/id1340235876/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 43 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Herve Kasparian](https://appshunter.io/developer/1232851521) | [Sicasys Software GmbH](https://appshunter.io/developer/1340235875) |

## 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 |


### Spotxel® Reader

[App page](https://appshunter.io/ios/app/spotxel-reader/id1340235876)

This app allows you to capture images of microplates, detect and measure color signals, and analyze sample concentrations. It supports various assay formats and can save, load, and export data.

**Highlights:** Capture microplate images, Detect and measure color signals, Analyze sample concentrations, Save and load assay setups, Export assay data to PDF, Supports row, column, and microarray formats

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Time-Unlimited License | $8.99 | one-time |


## Frequently asked questions

### Is Lean Work Sampling free?

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

### Is Spotxel® Reader free?

Spotxel® Reader is free to download, with in-app purchases available.

### Do Lean Work Sampling or Spotxel® Reader have ads?

Neither Lean Work Sampling nor Spotxel® Reader shows ads.

### Which is updated more often, Lean Work Sampling or Spotxel® Reader?

Lean Work Sampling ships an update every 3 months, and Spotxel® Reader every 2 months. Most recently, Lean Work Sampling was updated on September 22, 2026 and Spotxel® Reader on August 12, 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.*