The Nosmai blog
Engineering deep-dives, product news and guides for building camera-first AR & AI.
On-Device vs Cloud Content Moderation: Privacy, Latency, and Cost Compared
Every developer building a UGC app eventually hits the same fork in the road.
On-Device Content Moderation: The Complete Guide
The fastest way to lose a user on an app isn't a crash or a slow screen.
App Store Guideline 1.2 Explained: How to Pass Review with User-Generated Content
There's a specific kind of panic that hits when you open App Store Connect and see.
NSFW Detection: How It Works and How to Add It to Your App
It only takes one explicit image to undo months of work on your app.
Building React Native and Flutter Camera Filters: A Guide for 2026
Yes, you CAN build React Native and Flutter camera filters without creating separate camera experiences for iOS and Android.
Choosing a Camera SDK in 2026: Build vs. Buy
If beauty filters, face effects, background removal or on-device moderation aren't your product's differentiator, buy a camera SDK.
Image Moderation Without Sending User Data to the Cloud
Most image moderation systems today still work the same way: a user uploads a photo, it goes to a server, and an API returns with a response.
Content Moderation API: A Developer's Implementation Guide
A user uploads a photo, video, or message, the app sends it to a cloud service, waits for the response, and only then decides whether the content is safe.
How to Add AR Filters to Your App
Adding AR filters to your mobile app seems simple enough… until you start looking at the code.
Trust and Safety for Developers: A Practical Starting Point
When people talk about trust and safety, they usually mean a dedicated team inside a large company.
UGC Moderation: How to Keep User Content Safe at Scale
The moment your app lets users upload anything (photos, videos, live streams, comments) you don’t just get users; you inherit their content.
Video Content Moderation Explained: A Handy Guide
A lot of developers approach video content moderation as if it’s just image moderation repeated over time.
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