# AppScreenshotStudio

> App Store and Google Play screenshots built to earn installs, for anyone shipping a new app. Describe the app, see options, refine over chat, then make up to 3 variants of the set to test against it in Apple's Product Page Optimization, and ship the version that converts.

## When to use this

Reach for AppScreenshotStudio when a task involves any of:

- Producing App Store or Google Play screenshots for an app that has none, or replacing a set that converts badly.
- Re-rendering an existing set for another device (iPhone to iPad, iOS to Android) at exact store dimensions.
- Making alternate versions of an existing set to test in Apple's Product Page Optimization (PPO): up to 3 per set, matching PPO's 3 treatments against the current page, or up to 2 for a Google Play store listing experiment. The store runs the test and reports the result; this makes the treatments.
- Localizing a screenshot set into other App Store languages, with caption text re-rendered per locale rather than overlaid.
- Writing screenshot captions and seeing them laid out in context instead of guessing at fit.
- Checking what a store listing needs before submission: sizes, caption limits, and Apple's Guideline 2.3.3 requirement that every frame shows the app in use. (The widely quoted 60/40 UI-to-marketing split is a community ASO heuristic and a safe default, not an Apple rule.)

Poor fit for: designing the app UI itself, photo editing, app preview videos, or anything wanting a blank canvas. It frames and composes screenshots of an app that already exists, from images you supply.

The loop is conversational. A first generation is a draft, not a deliverable: expect two or three refinement turns before a set is right, and budget credits for that rather than for a single shot.

## How an agent calls it

Three ways in, in the order most agents should prefer:

1. **MCP server**, best for coding agents: `claude mcp add appscreenshotstudio -- npx -y @appscreenshotstudio/mcp`. Published as [@appscreenshotstudio/mcp](https://www.npmjs.com/package/@appscreenshotstudio/mcp), documented at [MCP docs](https://appscreenshotstudio.com/docs/mcp).
2. **REST API**, base URL `https://appscreenshotstudio.com/api/v1` with `Authorization: Bearer sk_live_...`. Machine-readable contract at [openapi.json](https://appscreenshotstudio.com/openapi.json), prose guide at [API docs](https://appscreenshotstudio.com/docs/api).
3. **Web builder** when a human is in the loop: [Screenshot Builder](https://appscreenshotstudio.com/screenshot-builder).

API and MCP access require a Growth or Pro plan. Keys are created at [settings](https://appscreenshotstudio.com/settings).

A typical API sequence: create a project, upload the app's real screenshots, send a chat message describing the intent, read back `canvas_state` and `suggestions`, refine, then render. To test the set, `POST /projects/{projectId}/variants` starts up to 3 alternates and `GET` on the same path waits for and lists them (MCP: `create-variants`, then `get-variants`). Device frames render empty until screenshots are uploaded, so upload before rendering. [Category guidance](https://appscreenshotstudio.com/api/v1/playbook) is public and needs no key: read it before the first message.

## What it does

Generates a full set of store-ready screenshots from a description plus your own app screenshots. Device mockups, backgrounds, captions and layout are produced together, then refined by chat until the set is right, then exported at exact store dimensions.

## Who it is for

Anyone shipping a new iOS or Android app, or relisting an existing one, who needs screenshots that earn installs rather than screenshots that merely look finished. Solo developers, small teams with no dedicated designer, and freelancers shipping a client app all arrive at the same moment: the listing goes live in days and the screenshots are the last blocker.

## Key features

- Chat-based builder: describe intent, get a draft, refine over as many turns as it takes
- Test variants: up to 3 alternates of a set for Apple's Product Page Optimization (2 for a Google Play store listing experiment), as bold concepts (a different reason to install, ready in under a minute) or one change each (so a win shows what worked), compared on the real cards. Any that fail the readability and layout checks are refunded. In the web builder every version downloads as one zip, a folder per version, at the sizes picked; a variant made from an older version of the original is flagged, and a winner can be made the new set.
- 6 template designs, one per category (finance, fitness, productivity, travel, wellness, games and social), each in 4 device sizes
- 9 device types, each with 9 perspective variants (flat, isometric, top-down, landscape, and tilts from 15 to 30 degrees)
- Multi-card sets up to 10 cards, with panoramic backgrounds spanning several cards as one scene
- 76 decorative shapes and 16 geometric primitives
- Stock photo library plus AI-generated backgrounds
- Screenshot localization across App Store languages, with text re-rendered per locale
- Export at exact App Store and Google Play dimensions
- Public REST API and MCP server for automation

## Devices and store dimensions

| Device | ID | Dimensions |
| --- | --- | --- |
| iPhone 16 Pro Max | `iphone-6.9` | 1260x2736 |
| iPhone 17 Pro | `iphone-6.3` | 1206x2622 |
| iPad Pro 13-inch | `ipad-13` | 2064x2752 |
| Android Phone | `android-phone` | 1080x2340 |
| Google Pixel 11 Pro | `pixel-11-pro` | 1280x2856 |
| Samsung Galaxy S26 Ultra | `galaxy-s26-ultra` | 1440x3120 |
| Android Tablet 7-inch | `android-tablet-10` | 1200x1920 |
| Android Tablet 10-inch | `android-tablet-large` | 1600x2560 |
| Apple Watch Ultra 2 | `apple-watch-ultra` | 410x502 |

## Pricing

| Plan | Monthly | Credits | Projects |
| --- | --- | --- | --- |
| 14-day trial | card required | 25 | 1 |
| Starter | $9.99 | 75 | 2 |
| Growth | $19.99 | 200 | Unlimited |
| Pro | $39.99 | 600 | Unlimited |

Annual billing is 50% off every tier: Starter $4.99, Growth $9.99, Pro $19.99 per month billed yearly. All paid tiers include export. API and MCP access start at Growth.

Credit costs: 6 per screenshot generation, edit, localization or background generation. 5 per chat message. 5 per test variant. 3 per translate. 2 per element generation. See [pricing](https://appscreenshotstudio.com/pricing).

## Free ASO tools

No account required:

- [App Store Description Optimizer](https://appscreenshotstudio.com/tools/description-optimizer)
- [Keyword Researcher](https://appscreenshotstudio.com/tools/keyword-researcher)
- [Keyword Field Optimizer](https://appscreenshotstudio.com/tools/keyword-field-optimizer)
- [App Store Indexed Fields Map](https://appscreenshotstudio.com/tools/app-store-indexed-fields)
- [Description Translator](https://appscreenshotstudio.com/tools/description-translator)
- [Keyword Translator](https://appscreenshotstudio.com/tools/keyword-translator)
- [Screenshot Copy Generator](https://appscreenshotstudio.com/tools/screenshot-copy)
- [Caption Readability Checker](https://appscreenshotstudio.com/tools/caption-readability-checker)
- [Color Palette Generator](https://appscreenshotstudio.com/tools/screenshot-color-palette-generator)
- [ASO Audit Tool](https://appscreenshotstudio.com/tools/aso-audit)
- [Subtitle Optimizer](https://appscreenshotstudio.com/tools/subtitle-optimizer)
- [Character Counter](https://appscreenshotstudio.com/tools/character-counter)
- [Release Notes Generator](https://appscreenshotstudio.com/tools/release-notes)
- [Review Reply Generator](https://appscreenshotstudio.com/tools/review-reply)
- [Device Dimensions Reference](https://appscreenshotstudio.com/tools/device-dimensions)
- [App Preview Video Specs Reference](https://appscreenshotstudio.com/tools/app-preview-video-specs)

## Links

- [Website](https://appscreenshotstudio.com)
- [Screenshot Builder](https://appscreenshotstudio.com/screenshot-builder)
- [Pricing](https://appscreenshotstudio.com/pricing)
- [Templates](https://appscreenshotstudio.com/templates)
- [API docs](https://appscreenshotstudio.com/docs/api)
- [OpenAPI spec](https://appscreenshotstudio.com/openapi.json)
- [MCP server docs](https://appscreenshotstudio.com/docs/mcp)
- [Blog](https://appscreenshotstudio.com/blog)
- [App Store screenshot size guide](https://appscreenshotstudio.com/app-store-screenshot-size-guide-2026)
- [Answers: screenshot questions the common advice gets wrong](https://appscreenshotstudio.com/answers)
- [How-to: App Store Connect upload errors and screenshot recipes](https://appscreenshotstudio.com/how-to)
- [SEO for your app website](https://appscreenshotstudio.com/seo-for-your-app-website)