# Audit 4 vs LightingAssessor

The clearest difference is update cadence: LightingAssessor at every 3 weeks against Audit 4's every 7 months. Audit 4's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 14.0). On price, ads and in-app purchases there is nothing between them.

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

Audit 4 ships an update every 7 months, LightingAssessor every 3 weeks. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Audit 4 | LightingAssessor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/lightingassessor/id1454732408/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 17 MB | 12 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Audit4 Compliance Ltd](https://appshunter.io/developer/1211717324) | [X20 LLC](https://appshunter.io/developer/997389757) |

## What reviewers say

### Audit 4

[App page](https://appshunter.io/ios/app/audit-4/id1211717325)

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

**In-app purchases:** none


### LightingAssessor

[App page](https://appshunter.io/ios/app/lightingassessor/id1454732408)

Streamline lighting audits for electrical professionals. Capture detailed site surveys, reduce data entry, and export data to Excel or a web app for proposals and quotes. Works offline for convenience.

**Highlights:** Offline audit functionality, Reduced data entry, Digital project organization, Export data to Excel, Sync with web application, Intuitive software

**In-app purchases:** none


## Frequently asked questions

### Is Audit 4 free?

Audit 4 is free to download, with no in-app purchases.

### Is LightingAssessor free?

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

### Do Audit 4 or LightingAssessor have ads?

Neither Audit 4 nor LightingAssessor shows ads.

### Which is updated more often, Audit 4 or LightingAssessor?

Audit 4 ships an update every 7 months, and LightingAssessor every 3 weeks. Most recently, Audit 4 was updated on September 9, 2026 and LightingAssessor on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*