# AMS Optics vs Lighting Survey

The clearest difference is update cadence: Lighting Survey at monthly against AMS Optics's every 4 months. AMS Optics's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

AMS Optics ships an update every 4 months, Lighting Survey monthly. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | AMS Optics | Lighting Survey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/ams-optics/id1081605344/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free | — |
| Size | 78 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Emerson Process Management](https://appshunter.io/developer/561985742) | [Cameron Granger](https://appshunter.io/developer/1886613881) |

## What reviewers say

### AMS Optics

[App page](https://appshunter.io/ios/app/ams-optics/id1081605344)

Monitor facility asset health remotely with real-time notifications, analysis tools, and communication features. Track CMMS requests, view historical data, and access documents for informed decision-making.

**Highlights:** Real-time asset health notifications, Diagnostic and prognostic analysis tools, Modern communication for decision making, CMMS request creation and tracking, Historical trending of health data, QR code asset identification

**Features:** macOS Compatibility

**In-app purchases:** none


### Lighting Survey

[App page](https://appshunter.io/ios/app/lighting-survey/id6761697486)

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

**In-app purchases:** none


## Frequently asked questions

### Is AMS Optics free?

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

### Is Lighting Survey free?

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

### Do AMS Optics or Lighting Survey have ads?

Neither AMS Optics nor Lighting Survey shows ads.

### Which is updated more often, AMS Optics or Lighting Survey?

AMS Optics ships an update every 4 months, and Lighting Survey monthly. Most recently, AMS Optics was updated on October 15, 2026 and Lighting Survey on October 12, 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.*