Slop or Not

Categories: Productivity, Research, Cybersecurity | Pricing: Freemium | Official Website ↗

Slop or Not detects AI-generated text and images using on-device processing for privacy and accuracy, supporting multiple detection methods.

Slop or Not is an AI slop detector for text and images that operates entirely on-device on iPhone, iPad, and Mac. Unlike most AI detectors, it does not send user data to cloud servers, ensuring privacy. It utilizes the Apple Neural Engine for accelerated detection models. For images, Slop or Not employs a multi-layered approach: it reads SynthID watermarks from Google and OpenAI images, verifies C2PA Content Credentials, reads generator fingerprints, and scans pixels with its own image model. This allows it to detect AI-generated images even when watermarks or credentials are absent. For text, it uses a custom-trained transformer model that runs offline, catching 99.5% of AI text at a 5% false-positive rate on the RAID benchmark, with no word caps. It also provides readability scores in multiple languages. The tool is designed for various users, including journalists, educators, online shoppers, and legal professionals, who need to verify content authenticity without compromising data privacy. It offers a free app with a daily check limit, with a Pro version removing this restriction and adding CLI/MCP tools for Mac.

Key Features

On-device AI text detection
On-device AI image detection
SynthID watermark detection
C2PA Content Credentials verification
IPTC Metadata detection
Deepfake photo detection
Unlimited word count for text detection (Pro)
Readability scores (Flesch Reading Ease, Flesch-Kincaid Grade Level, etc.)

Pros

All checks run on-device, ensuring user privacy and data security.
No word caps for text detection on iPhone/Mac, allowing analysis of long documents.
Multi-layered image detection covers watermarks, credentials, and pixel analysis.
High accuracy for AI text detection (99.5% on RAID benchmark).
Supports multiple languages for readability scores.

Cons

Primary app functionality is limited to Apple devices (iPhone, iPad, Mac).
Free version has a daily check limit.
Text detection currently works only in English, with more languages planned.
Accuracy can vary with new AI models and adversarial methods.
No explicit pricing tiers or costs are listed on the homepage for the Pro version.

Use Cases

Verifying authenticity of news articles and images
Detecting AI-written essays in academic settings
Identifying deepfake photos in online dating profiles
Spotting AI-generated product reviews and images
Authenticating ID documents and résumés
Checking legal contracts or patient files for AI signals
Moderating user-generated content for AI spam or disinformation
Analyzing viral posts and trending images for AI generation

Best For

Journalists & Fact-Checkers
Teachers & Students
Online Dating users
Online Shoppers
Finance & HR Teams
Legal & Medical Professionals

Integrations: Claude, Codex, Hermes Agent, OpenClaw, Cursor

Platforms: Web, iOS, macOS

Watch demo on YouTube ↗

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