# Envelope Integrity Reporter vs Core Audit

The clearest difference is in-app purchases: Envelope Integrity Reporter at none against Core Audit's 1. Envelope Integrity Reporter also leads on iOS requirement (15.0 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Core Audit sells 1 one-off in-app purchase. Envelope Integrity Reporter asks for nothing beyond the download.

Envelope Integrity Reporter ships an update every 4 weeks, Core Audit fortnightly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Envelope Integrity Reporter | Core Audit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/core-audit-site-reports/id6759215586/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Monetization | — | Freemium |
| Size | 173 MB | 50 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Efficiency Matrix](https://appshunter.io/developer/1282284168) | [Abay Imanberlin](https://appshunter.io/developer/1424449560) |

## What reviewers say

### Envelope Integrity Reporter

[App page](https://appshunter.io/ios/app/envelope-integrity-reporter/id1282284169)

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

**In-app purchases:** none


### Core Audit

[App page](https://appshunter.io/ios/app/core-audit-site-reports/id6759215586)

Capture issues, document findings, and generate professional PDF reports quickly for site inspections and audits. This tool offers offline functionality and optional cloud syncing for seamless workflow management.

**Highlights:** Project creation and management, Issue tracking with structured details, Photo capture and annotation, Professional PDF report generation, Offline-first functionality, Optional cloud syncing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CoreAudit Pro | $19.99 | one-time |


## Frequently asked questions

### Is Envelope Integrity Reporter free?

Envelope Integrity Reporter is free to download, with no in-app purchases.

### Is Core Audit free?

Core Audit is free to download, with in-app purchases available.

### Do Envelope Integrity Reporter or Core Audit have ads?

Neither Envelope Integrity Reporter nor Core Audit shows ads.

### Which is updated more often, Envelope Integrity Reporter or Core Audit?

Envelope Integrity Reporter ships an update every 4 weeks, and Core Audit fortnightly. Most recently, Envelope Integrity Reporter was updated on November 3, 2026 and Core Audit on October 31, 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.*