# Sentry vs spatial fields

The clearest difference is price: Sentry at Free against spatial fields's $24.99. Sentry also leads on rating (3.7 vs 3.0) and ratings volume (6 vs 1). spatial fields's advantage is device support (5 vs 2). On update cadence, ads and in-app purchases there is nothing between them.

Sentry is free to download; spatial fields costs $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sentry holds the better App Store score, 3.7 against 3.0. That said, the two scores are not equally well evidenced: Sentry has 6 ratings behind it against 1, so its average is the more settled of the two.

Sentry ships an update every 3 months, spatial fields every 2 months. The most recent releases landed on August 10, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Sentry | spatial fields |
| --- | --- | --- |
| Price | **Free** | $24.99 |
| Rating | **[3.7 (6 ratings)](https://appshunter.io/ios/app/sentry-secure/id1525626794/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/spatial-fields/id6745549629/reviews) |
| Number of ratings | **6** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Paid |
| Size | 56 MB | 124 MB |
| Requires iOS | **16.6** | 18.6 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple TV, Vision Pro** |
| Age rating | 4+ | 9+ |
| Developer | [VPI Engineering](https://appshunter.io/developer/888055894) | [Contrast Media Labs, Inc.](https://appshunter.io/developer/929002121) |

## What reviewers say

### Sentry

[App page](https://appshunter.io/ios/app/sentry-secure/id1525626794)

Enhances situational awareness for law enforcement and first responders involved in alarm monitoring strategies. It supports partnerships with government and businesses to protect strategic assets globally.

**Highlights:** Elevates situational awareness, Supports alarm monitoring strategies, Partners with government and first responders, Protects strategic assets globally

**Features:** Vision Pro support

**In-app purchases:** none


### spatial fields

[App page](https://appshunter.io/ios/app/spatial-fields/id6745549629)

Immerse yourself in 3D Gaussian Splats with high-fidelity rendering and augmented reality viewing. Easily import and manage your 3D content, with offline access and Apple TV control. Perfect for presentations and creative exploration.

**Highlights:** High-fidelity 3D rendering, Augmented Reality (AR) viewing, Home & Lock Screen widgets, Easy file importing (PLY, SPZ), Offline access with previews, Apple TV control via iPhone/iPad, Seamless integration with other apps

**In-app purchases:** none


## Frequently asked questions

### Is Sentry free?

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

### Is spatial fields free?

spatial fields costs $24.99, with no in-app purchases.

### Which has better reviews, Sentry or spatial fields?

Sentry is rated higher. Sentry averages 3.7 out of 5 from 6 ratings, while spatial fields averages 3.0 from 1 ratings.

### Do Sentry or spatial fields have ads?

Neither Sentry nor spatial fields shows ads.

### Which is updated more often, Sentry or spatial fields?

Sentry ships an update every 3 months, and spatial fields every 2 months. Most recently, Sentry was updated on August 10, 2026 and spatial fields on September 14, 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.*