75 image sizes
One upload becomes every size the App Store, the web and seven social networks require.
Asset Asserter turns one icon and one logo into every image and every word your launch needs.
One upload becomes every size the App Store, the web and seven social networks require.
Copy is checked against each platform's real character limits before you paste it anywhere.
Export the whole bundle as a zip, named the way each platform expects.
Each platform is one file of Zod schemas describing what it needs. Nothing is guessed at export time.
| Platform | Category | Images | Text fields | Included |
|---|---|---|---|---|
| Expo iOS app | app | 5 | 6 | By default |
| iOS App Store listing | app | 3 | 10 | By default |
| Landing web page | web | 7 | 13 | By default |
| Web app | web | 6 | 7 | By default |
| X | social | 5 | 9 | By default |
| social | 5 | 9 | By default | |
| social | 5 | 8 | By default | |
| TikTok | social | 3 | 8 | By default |
| Snapchat | social | 4 | 6 | By default |
| YouTube | social | 5 | 7 | By default |
| social | 5 | 8 | By default | |
| Threads | social | 3 | 5 | On request |
| Bluesky | social | 3 | 5 | On request |
| Mastodon | social | 2 | 4 | On request |
| GitHub | social | 3 | 5 | On request |
| Discord | social | 3 | 4 | On request |
| social | 3 | 5 | On request | |
| social | 3 | 5 | On request | |
| Product Hunt | web | 2 | 5 | On request |
An Icon Composer bundle, a square profile picture, an SVG logo, an SVG wordmark. Any one of them is enough to start, and whatever is missing is reported rather than faked.
Copy comes from deterministic templates over your brand brief. If you want an AI to write it, connect your own client to the MCP gateway: it reads each brief and writes the words back, and every value is still checked against the platform's own limits.