# cohesion vs Prism NDT

The clearest difference is rating: Prism NDT at 5.0 against cohesion's 3.1. Prism NDT also leads on update cadence (every 10 days vs every 3 weeks). cohesion's advantage is ratings volume (42 vs 1) and iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Prism NDT holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: cohesion has 42 ratings behind it against 1, so its average is the more settled of the two.

cohesion ships an update every 3 weeks, Prism NDT every 10 days. The most recent releases landed on October 20, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | cohesion | Prism NDT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (42 ratings)](https://appshunter.io/ios/app/cohesion/id1467148383/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/prism-ndt/id6761390396/reviews)** |
| Number of ratings | **42** | 1 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free | Free |
| Size | 182 MB | 24 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [cohesionIB, Inc.](https://appshunter.io/developer/1391581450) | [Prism NDT LLC](https://appshunter.io/developer/1889285036) |

## What reviewers say

### cohesion

[App page](https://appshunter.io/ios/app/cohesion/id1467148383)

This app provides a unified portal for managing various building services, including visitor access, amenity bookings, and parking. It offers mobile key card access and quick access to building information and on-site amenities.

**Highlights:** Visitor management, Service request submission, Amenity booking, Mobile key card access, Building information access, Push notifications

**Features:** Apple Wallet

**In-app purchases:** none


### Prism NDT

[App page](https://appshunter.io/ios/app/prism-ndt/id6761390396)

Manage non-destructive testing jobs, complete digital safety analyses, and track time and attendance directly from your mobile device. Access inspection reports and utilize built-in field calculators for quick results.

**Highlights:** Job management and status tracking, Digital Job Safety Analysis (JSA), Time and attendance logging, Safety and incident reporting, Access to inspection reports, NDT field calculators

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

**In-app purchases:** none


## Frequently asked questions

### Is cohesion free?

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

### Is Prism NDT free?

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

### Which has better reviews, cohesion or Prism NDT?

Prism NDT is rated higher. cohesion averages 3.1 out of 5 from 42 ratings, while Prism NDT averages 5.0 from 1 ratings.

### Do cohesion or Prism NDT have ads?

Neither cohesion nor Prism NDT shows ads.

### Which is updated more often, cohesion or Prism NDT?

cohesion ships an update every 3 weeks, and Prism NDT every 10 days. Most recently, cohesion was updated on October 20, 2026 and Prism NDT on October 11, 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.*