# Sentinel Metrics vs Pigmatia

The clearest difference is in-app purchases: Sentinel Metrics at none against Pigmatia's 4. Sentinel Metrics also leads on iOS requirement (15.0 vs 18.0). Pigmatia's advantage is update cadence (every 2 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Pigmatia sells 4 in-app purchases, starting at $6.99 per month. Sentinel Metrics asks for nothing beyond the download.

Sentinel Metrics ships an update every 4 months, Pigmatia every 2 weeks. Both last shipped on October 28, 2026.

## The numbers

| Metric | Sentinel Metrics | Pigmatia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 60 MB | 18 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Portcullis Acuity](https://appshunter.io/developer/1620529166) | [MATTEO MARTINO](https://appshunter.io/developer/1896767414) |

## What reviewers say

### Sentinel Metrics

[App page](https://appshunter.io/ios/app/sentinel-metrics/id6767351254)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pigmatia

[App page](https://appshunter.io/ios/app/pigmatia/id6771304527)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Pro Studio Monthly | $11.99 | per month |
| Yearly | $69.99 | per year |
| Pro Studio Yearly | $119.99 | per year |


## Frequently asked questions

### Is Sentinel Metrics free?

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

### Is Pigmatia free?

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

### Do Sentinel Metrics or Pigmatia have ads?

Neither Sentinel Metrics nor Pigmatia shows ads.

### Which is updated more often, Sentinel Metrics or Pigmatia?

Sentinel Metrics ships an update every 4 months, and Pigmatia every 2 weeks. Most recently, Sentinel Metrics was updated on October 28, 2026 and Pigmatia on October 28, 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.*