Comparison

Sentry vs spatial fields

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Sentry

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
Read full description

Sentry-SECURE elevates situational awareness amongst law enforcement stakeholders that are critical to the alarm monitoring strategies being implemented by the Office of Radiological Security’s Protect strategy. The Office of Radiological Security uses these strategies to partner with government, first responders, and businesses to protect strategic assets around the world.

About

spatial fields

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
Read full description

Explore, showcase, and immerse yourself in your 3D Gaussian Splats like never before. Spatial Fields brings full-fidelity rendering, immersive AR viewing, and seamless integration with your Apple devices, all in one powerful app. Key Features: High-quality rendering — Full-fidelity viewer with spherical harmonics and PLY/SPZ/LCC file support. Augmented Reality mode — Place and explore your splats directly in your space. Widgets on Home & Lock Screen — Create widgets from your splats or gallery splats that open instantly with a tap. Easy importing — Bring in PLY and SPZ splats directly from iCloud Drive or other Files locations. Offline access — Save favorites locally, with a SuperSplat-based image preview creator for quick browsing. Apple TV control — Use your iPhone or iPad to drive the Apple TV app, turning your TV into a giant screen that mirrors your interactions. Seamless app integration — Open PLY and SPZ files in Spatial Fields from other apps. For example, export directly from Scaniverse into Spatial Fields in one step. Perfect for presentations, creative exploration, or enjoying your 3D content anywhere — at home, in the office, or on the go.

Screenshots

Sentry4 screens
spatial fields4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
Sentry versus spatial fields: the parameters behind the verdict, then further details
ParameterSentryspatial fields
PriceFree — better$24.99
Rating3.7 (6 ratings) — better3.0 (1 ratings)
Positive reviews—0.0% of reviews
Number of ratings6 — better1
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPadiPhone, iPad, Mac, Apple TV, Vision Pro — better
Requires iOS16.6 — better18.6
Further details — not scored
Size56 MB124 MB
Age rating4+9+
DeveloperVPI EngineeringContrast Media Labs, Inc.

Customer experience

Sentry

All ratings6 ratings
Positive66.7%
Neutral0.0%
Negative33.3%

spatial fields

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews4 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

In-app purchases

None

Sentry

No in-app purchases

None

spatial fields

No in-app purchases

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.

Other comparisons