Slop or Not
Use it for people who want native Apple checks or the free online checker for text, images, and provenance clues.
AI Image Detector
AI or Not earns its keep the moment a product needs one API key to flag text, images, audio, video, and deepfakes together. Slop or Not doesn't attempt that range. But checking one suspicious photo on your own iPhone doesn't call for a developer account and a credit balance: Slop or Not answers that on-device, free, right now.
AI or Not puts one API key behind five media types: text, images, audio, video, and deepfakes. It's built for developers wiring detection into a pipeline, with free starter credits, a million words of text detection a month, and a capped number of free image checks. Slop or Not takes the opposite shape: a personal iPhone and Mac app that checks text and still images on-device. No key. No pipeline. No credit balance to watch.
Public product, pricing, documentation, and benchmark pages can change. Source links are listed below the table so the cells stay readable.
| Feature | ||
|---|---|---|
| Best fit | On-device iPhone and Mac checks or free browser checks for text and images | Developers who need API detection for several media types |
| Text detection | Checks writing in the native app and online checker | Text detection is listed with image, music, video, and deepfake checks |
| Image detection | Checks photos, synthetic images, and provenance clues in the app or online checker | Image detection is listed and the upload demo supports image formats |
| Deepfake detection | Covers deepfake and synthetic-image checks as image detection | Deepfake detection is listed for API and product pages |
| Metadata and provenance signals | Reads SynthID, C2PA, and IPTC signals in native and online image checks when a file carries them | Not publicly clear |
| Manual forensic tools | Reports detector and provenance evidence in native and online checks; not a manual forensic editor | No |
| Evidence level | Probability verdict plus provenance signals, with internal-test caveats instead of 99.9% certainty claims | Demo shows AI and deepfake percentage outputs and data breakdown |
| Browser checker | Free online checker runs in any browser on Numen's private Mac server; submissions are deleted after processing | Web upload demo is shown |
| Native Apple app | Native iPhone and Mac app for on-device checks; browser users can use the free online checker | No |
| API workflow | Pro Mac app includes a local CLI and MCP server; no public hosted API | API key is included on the free plan |
| Classroom workflow | Useful for checking student writing on-device in the app or through deleted-after-processing online checks | Not publicly clear |
| Free tier & limits | Free daily checks in the iPhone and Mac app and a free online checker in any browser. Pro removes the native daily cap; the native app has no per-document word cap. | Free credits to start, 1M words/month of text detection, and a capped number of free image checks per month. |
| Privacy | Native checks stay on the iPhone or Mac and never send submitted text or images to a third-party AI provider. Online checks run on Numen's own Apple hardware, and submissions are deleted after processing. | Its public privacy policy covers account, contact, and payment data; it does not specifically describe how images or text submitted for detection are collected or retained |
| Main limitation | On-device privacy requires iPhone or Mac; browser checks run on Numen's private Mac server, not on-device | Credit model for multimodal API use; free image checks are capped |
✓ = supported, ✕ = not offered, – = not publicly documented. Details reviewed June 2026 from public product, pricing, documentation, and benchmark pages.
With AI or Not, the public privacy policy covers account, contact, and payment data; it does not specifically describe how images or text submitted for detection are collected or retained. See the AI or Not privacy policy for details. Slop or Not keeps native checks on your iPhone or Mac, and online checks run on Numen's own Apple hardware and are deleted after processing.
AI or Not asks for an API key before it looks at anything. Slop or Not asks for nothing: open the app, check the file, done.
Slop or Not is not the right answer for every workflow — pick the tool whose strongest workflow matches the check you need to run.
Use it for people who want native Apple checks or the free online checker for text, images, and provenance clues.
Use it for developers who need multimodal AI detection behind an API key.
Yes. AI or Not adds audio, video, and music detection behind its API, on top of text and images. Slop or Not checks text and still images only; it doesn't detect audio or video.
No. Every check runs through an API key and a credit balance. Slop or Not needs neither: open the iPhone or Mac app, or use the free online checker, no account required.
Slop or Not's daily free checks have no per-document word cap in the native app. AI or Not's free plan caps image checks and meters everything else against a monthly credit balance.
Keep comparing adjacent tools before you pick a workflow.
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Winston AI bundles plagiarism checks and writing feedback with its AI verdict, but the free lite checker stops at 2,000 characters and the real trial runs out in 14 days.
Turnitin's AI-writing indicator is built into a workflow schools already trust, but there's no public version — access runs through a school subscription or not at all.
Privacy tools from the same team
AI can now fake a profile photo or wrap a scam in a link that looks safe to tap. Numen builds the apps that put you back in charge: spot AI-generated text and images with Slop or Not, run the best open-source models uncensored and private with Private LLM, and strip trackers from links and QR codes before they follow you with Clean Links.
One belief runs through all three: your data belongs to you, and no one else.