Site Audit One vs GPTZero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Site Audit One
Read full descriptionHide full description
Turn every site walk into a clear, defensible field report before you leave the jobsite. Site Audit One combines fast issue capture, photos, voice notes, plan pins, assignments, reinspections, and polished PDF or CSV reports in one offline-first iPhone workflow. CAPTURE ISSUES FAST • Create findings with photos, titles, notes, priority, trade, assignee, location, and due date • Use Save & Next to keep moving through the site • Add multiple photos with captions and non-destructive markup • Keep original, completion, and reinspection evidence together KNOW WHAT CHANGED • Move issues from Open through Ready to Verify and Verified • Compare before-and-after evidence side by side • Pin findings to imported PDF plans or images • Search and filter by status, priority, trade, assignee, area, or due date REPORT FROM THE FIELD • Preview the exact report before export • Create professional PDF and CSV packages • Choose layouts, themes, branding, captions, and before/after presentation • Share through Files, AirDrop, Mail, Messages, print, or any system share destination WORK OFFLINE Projects, findings, photos, plans, and reports remain available without a connection. Optional iCloud continuity keeps your own devices in sync when enabled. Exportable project archives help keep your records portable. The free tier includes one active project, up to 25 active issues, two photos per issue, and a standard PDF. Site Audit One Pro unlocks unlimited capture, advanced Report Studio features, plan workflows, reusable templates, and iCloud continuity. SUBSCRIPTION INFORMATION Weekly, monthly, and yearly auto-renewing subscriptions are available. Payment is charged to your Apple ID account at confirmation of purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel your subscription in your Apple ID account settings. Any unused portion of a free trial is forfeited when a subscription is purchased. Privacy Policy: https://site-audit-one-4e849f.web.app/privacy.html Terms of Use: https://site-audit-one-4e849f.web.app/terms.html EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
GPTZero
This tool analyzes text to determine if it was AI-generated, providing a likelihood score and sentence-by-sentence breakdown. It also offers a humanizer feature to rewrite AI-generated content into a more natural style, ensuring privacy by processing data on your device.
- AI-generated text detection
- Sentence-by-sentence analysis
- On-device private processing
- Text humanizer
- Camera and dictation input
Read full descriptionHide full description
Gptzero AI checks whether writing looks AI-generated and helps you make it sound more human. Paste, scan with your camera, or dictate text to get an instant likelihood score with a sentence-by-sentence breakdown — analyzed privately on your device. Then use the Humanizer to rewrite AI-flavored text into a more natural voice. Fast, private, and built for students, writers, and editors. GPTZero AI is free to download. A subscription is required to unlock and use all of the app's features. Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: GPTZero at every 6 days against Site Audit One's every 2 weeks. On price, ads, in-app purchases and device support 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
Both are free to download. Site Audit One sells 3 in-app purchases, starting at $4.99 per 7 days and GPTZero sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Site Audit One ships an update every 2 weeks, GPTZero every 6 days. Both last shipped on October 31, 2026.
| Parameter | Site Audit One | GPTZero |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 weeks | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 24 MB | 12 MB |
| Age rating | 4+ | 12+ |
| Developer | Secgin LLC | Bobby Preston |
In-app purchases
Site Audit One
- Site Audit One Pro Weekly$4.997 Days
- Site Audit One Pro Monthly7 Days trial$9.991 Month
- Site Audit One Pro Yearly7 Days trial$59.991 Year
GPTZero
- AI Detector & Humanizer$6.997 Days
- AI Detector & Humanizer$89.991 Year









