GPTZero vs Enigma
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GPTZero
This tool helps determine if content is human-written or AI-generated. It offers detailed analysis, a plagiarism checker, and an AI humanizer to refine text. Ensure your content's originality and authenticity with advanced detection technology.
- AI content detection
- In-depth analysis
- AI humanizer
- Plagiarism checker
- Content scoring
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GPTZero: AI Detector Humanizer is a powerful, easy-to-use tool designed to verify whether any content is created by a human or generated by AI. Using advanced technology, our app analyzes text, images, videos, and even music to detect patterns linked to artificial intelligence. Upload your content and instantly receive a clear AI percentage score. Our detection scale is simple and transparent: 0–30%: Likely Human – Content shows natural, organic patterns. 31–69%: Possible AI Signs – Mixed signals that may include both human and AI traits. 70–100%: Likely AI Generated – Strong indicators of AI tools or models. In-Depth Analysis & AI Humanizer Our In-Depth Analysis provides a detailed breakdown for every detection result. For each text, image, video, or audio upload, the app highlights the specific patterns and signals that influenced the AI score. You’ll see clear explanations and key indicators that show exactly why your content appears human, mixed, or AI-generated. You can also enhance your writing with our built-in Humanizer, which transforms robotic or AI-sounding text into natural language while preserving your original meaning and tone. Plagiarism Checker To ensure total authenticity, our Plagiarism Checker scans your text against billions of web pages, academic articles, and digital archives. It identifies overlapping content and unoriginal phrasing, helping you maintain professional integrity. Whether you are submitting an essay or publishing a blog post, you can be certain your work is both human-made and entirely unique. With its clean design, fast processing, and transparent results, GPTZero: AI Detector Humanizer offers a complete solution for anyone who values originality. Whether you are verifying content, improving your writing, or exploring digital creation, you can analyze and understand AI involvement with confidence. Privacy Policy: https://www.appzonedev.com/privacy-policy Terms of Use: https://www.appzonedev.com/terms-of-use Support: help@appzonedev.com
Enigma
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Scan any text for AI-generated content, plagiarism, and factual accuracy — all in one app. Enigma gives students, writers, and professionals a fast way to check their work before submitting, publishing, or sending. Paste text or import a file and get results in seconds. Key Features • AI Detector with Sentence Breakdown Get an overall AI score plus a per-sentence analysis, so you know exactly which parts need work. • Plagiarism Checker See your similarity percentage, matched passages, and original sources in one clear view. • Fact Checker Verify claims in your text with supporting context and source references. • Text Compare Compare two documents side by side to catch differences, overlaps, and matching sections. • Import or Paste Drop in text directly or import TXT and PDF files for instant analysis. • History & Saved Results Every check is saved so you can revisit past results anytime. Who It’s For • Students checking essays and assignments before submission • Writers and bloggers verifying originality before publishing • Professionals reviewing reports, proposals, and emails • Educators comparing document versions and student work Enigma Premium • Weekly plan: $7.99/week • Annual plan: $99.99/year • One-time credit top-ups also available • Payment charged to your Apple ID at confirmation of purchase • Subscription auto-renews unless canceled at least 24 hours before the end of the current period • Manage subscriptions in App Store Account Settings Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://softskytech.github.io/enigma/enigma-privacy.html
Screenshots
Verdict
GPTZero and Enigma are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. GPTZero sells 5 in-app purchases, starting at $7.99 per month and Enigma sells 5 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.
| Parameter | GPTZero | Enigma |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (135 ratings) — better | — |
| Positive reviews | 70.4% of reviews | — |
| Number of ratings | 135 — better | — |
| Update frequency | Every 8 days | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 25 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Appzone Dijital Hizmetler Anonim Sirketi | Irvan Pandowo |
In-app purchases
GPTZero
- AI Detector Monthly Pro$7.991 Month
- AI Detector Weekly Trial7 Days trial$9.997 Days
- AI Detector Monthly Premier$14.991 Month
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- AI Detector Yearly Pro$24.991 Year
- AI Detector Yearly Premier$29.991 Year
Enigma
- Weekly Subscription$7.997 Days
- Annual Subscription$99.991 Year
- Top Up Medium$9.99
- Top Up Large$24.99
- Top Up XL$49.99









