# Stara Spreading vs WatchMask

The clearest difference is in-app purchases: Stara Spreading at none against WatchMask's 3. Stara Spreading also leads on iOS requirement (13.0 vs 15.0). WatchMask's advantage is update cadence (every 2 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. WatchMask sells 3 in-app purchases, starting at $1.99 per year. Stara Spreading asks for nothing beyond the download.

Stara Spreading ships an update every 2 months, WatchMask every 2 days. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Stara Spreading | WatchMask |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 60 MB | 9 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stara SA Industria de Implementos Agricolas](https://appshunter.io/developer/1453189434) | [luo](https://appshunter.io/developer/538978569) |

## What reviewers say

### Stara Spreading

[App page](https://appshunter.io/ios/app/stara-spreading/id1459555001)

This application helps calibrate agricultural spreaders for precise fertilizer application. It analyzes spreading profiles, evaluates spinner disk vane positions, and stores test history for optimized yields and sustainability.

**Highlights:** Spreading profile test, Spinner disk vane position evaluation, Test history storage, Regular updates, Intuitive interface, Multi-language support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### WatchMask

[App page](https://appshunter.io/ios/app/watchmask/id1590637517)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard | $1.99 | per year |
| Premium | $4.99 | per year |
| Pro | $9.99 | per year |


## Frequently asked questions

### Is Stara Spreading free?

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

### Is WatchMask free?

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

### Do Stara Spreading or WatchMask have ads?

Neither Stara Spreading nor WatchMask shows ads.

### Which is updated more often, Stara Spreading or WatchMask?

Stara Spreading ships an update every 2 months, and WatchMask every 2 days. Most recently, Stara Spreading was updated on November 3, 2026 and WatchMask on October 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.*