# 207 Studio: full product reference

> https://207studio.dev · support@207studio.dev · South Korea. One-time purchase, full source. Commercial tiers cover companies with annual revenue up to $1M; above that, email support@207studio.dev for an Enterprise license.

Founder: Jang Yuil (장유일)

## PPTX Player SDK – Play PowerPoint in the Browser

URL: https://207studio.dev/products/pptx-player-sdk/

Play PowerPoint in the browser with every animation: a client-side PPTX to HTML/SVG engine that works offline.

Client-side JS engine that plays .pptx click-by-click: build animations, morph, media, offline. No server, no Office. One-time $14, source included.

Tiers (USD, one-time):
- Developer: $14 - buy: https://buy.polar.sh/polar_cl_75Don0VoNVcrgJ7mx9b32yZq5v4ZydBu37uwN1getXd
- Commercial: $129 - buy: https://buy.polar.sh/polar_cl_6i0GKBLIeSNUMjqLDt8U9dAVfJxnGIrx7j5qf36gWcX

Developer is for one developer, and that includes shipping the player inside your own paid or free apps as bundled code. Commercial is for a company or organisation, where more than one person uses it, and adds priority email support. Neither lets you share the source itself. Both include the full source. One-time purchase.

## PadswayCore SDK: Mac-to-iPad Screen Streaming

URL: https://207studio.dev/products/padsway-core-sdk/

Put a live Mac screen on an iPad and send touch, keyboard, clipboard and dictation back: the streaming engine from a working Mac + iPad remote app, as a Swift package.

Swift package that streams a Mac screen to an iPad with hardware H.264/HEVC, 60/120 fps and touch, keyboard and clipboard back. Full source. One-time purchase.

Tiers (USD, one-time):
- Commercial: $129 - buy: https://buy.polar.sh/polar_cl_X4vNDyrdEHsK4LYKEg9WZWqtrbe6SzxzHU8zu0lQfSH

For a company or organisation (more than one person), including in its apps as compiled code, with priority email support. One-time purchase. Commercial covers companies with annual revenue up to $1M. Above that, email support@207studio.dev for an Enterprise license.

## Scan-to-Grade: Scanned Exams to Excel (Python)

URL: https://207studio.dev/products/scan-to-grade-bundle/

QR Cropper and OMR Auto-Grader together: a scanned batch in, an Excel gradebook out.

Cropper + OMR grader together: drop in a scanner batch, get an Excel gradebook. Runs offline; student data never leaves your PC. One-time, source.

Tiers (USD, one-time):
- Personal: $79 - buy: https://buy.polar.sh/polar_cl_8xf9e2PzkppWPIh7ZQ339nUMWpKB2jNuTtbqm3pruPj
- Commercial: $299 - buy: https://buy.polar.sh/polar_cl_DrRGNlKtA1G62gZFWa1OcfYSAXcrPIQmmi7Qb1492lC

Personal is for one person, and that includes shipping it inside your own paid or free apps as compiled or bundled code. Commercial is for a company or organisation, where more than one person uses it, and adds priority email support. Neither lets you share the source itself. Both include the full source. One-time purchase.

Includes:
- text
- links

## OMR Auto-Grader – Bubbles, O/X, Circled Answers

URL: https://207studio.dev/products/omr-auto-grader/

Reads bubbles, circled words, O/X boxes and ordering marks on scanned sheets, and fills in only the grades it is sure of.

Python OMR that grades bubbles, multi-marks, O/X and circled answers, fills only confident grades, never overwrites teacher marks. One-time purchase.

Tiers (USD, one-time):
- Personal: $59 - buy: https://buy.polar.sh/polar_cl_xJBFocaAKSaFNLgPJ2VNceLFqkmxwm4coi0el0BvhI6
- Commercial: $249 - buy: https://buy.polar.sh/polar_cl_pqx1PzwSBoayvSaeHpmuLc64XiqSolIxeC1re3Q13oo

Personal is for one person, and that includes shipping it inside your own paid or free apps as compiled or bundled code. Commercial is for a company or organisation, where more than one person uses it, and adds priority email support. Neither lets you share the source itself. Both include the full source. One-time purchase.

## QR Answer-Sheet Cropper – Crop Every Answer Box

URL: https://207studio.dev/products/qr-cropper/

Print a QR on each sheet, scan a mixed batch, and get every answer cell back as a clean, aligned image.

Print a QR on each page, scan a mixed batch, get every answer cell as an aligned image. Python + OpenCV, runnable demo, one-time purchase.

Tiers (USD, one-time):
- Personal: $39 - buy: https://buy.polar.sh/polar_cl_QnpaugxcXgYeD3NfSmdOoQIZ8s5NxWnsXHF250GoQDD
- Commercial: $149 - buy: https://buy.polar.sh/polar_cl_LHfw7BoxPMPXDMx5scbvqxyWA0f2QWrbvO9CL0f3euT

Personal is for one person, and that includes shipping it inside your own paid or free apps as compiled or bundled code. Commercial is for a company or organisation, where more than one person uses it, and adds priority email support. Neither lets you share the source itself. Both include the full source. One-time purchase.

## Context-Gated Voice Commands – Offline

URL: https://207studio.dev/products/voice-command-engine/

A Rust library and CLI that infers the current situation from audio features and lets through only the voice commands that fit it.

Rust engine that tracks the current situation second by second and runs only the voice commands that fit it, ignoring background talk. Offline.

Tiers (USD, one-time):
- Personal/Research: $29 - buy: https://buy.polar.sh/polar_cl_wTaaxiMXwBpLPJBlzBKZ4xGAa4JTMz9kzp24r0g8L8Y
- Commercial: $99 - buy: https://buy.polar.sh/polar_cl_mCFCRFkwWmVTk9k5xz4YeJUkURL9oVwEzz8nv3I7uAZ

Personal/Research is for one person, and that includes shipping the engine inside your own paid or free apps as compiled code. Commercial is for a company or organisation, where more than one person uses it, and adds priority email support. Neither lets you share the source itself. Both include the full source. One-time purchase.

## ShapeFit – Hold-to-Shape for Swift & Rust

URL: https://207studio.dev/products/shapefit/

Turn a hand-drawn stroke into a clean line, circle, rectangle or polygon when the user pauses, for your own drawing app.

Pause on a stroke and it snaps to a clean line, circle, rectangle or polygon. No ML, no MAU limits, zero dependencies. PencilKit-ready. $9, source.

Tiers (USD, one-time):
- Personal: $9 - buy: https://buy.polar.sh/polar_cl_tZQVB8rHo2KdpUwZrUmXr80Sb6RO9xRNwV3qZ2jd3xV
- Commercial: $29 - buy: https://buy.polar.sh/polar_cl_sgn4wIILsccvCLPOfmephnAIJCKoh7Q8WHWrp2iJFdE

Personal is for one person, and that includes shipping it inside your own paid or free apps as compiled or bundled code. Commercial is for a company or organisation, where more than one person uses it, and adds priority email support. Neither lets you share the source itself. Both include the full source. One-time purchase.

## Exam + OMR Sheet Builder – Paper, Sheet & Key

URL: https://207studio.dev/products/exam-sheet-builder/

Write an exam once and print a matching exam paper, OMR answer sheet, answer key, explanation sheet and cover page.

Write an exam once; print the paper, OMR sheet, answer key, explanations and cover, always matching. Offline single file + MCP server for AI. $12.

Tiers (USD, one-time):
- Personal: $12 - buy: https://buy.polar.sh/polar_cl_N7RdBS3uUXglH4Kk6ei4gjn42J2ehQxT18EvN372jsJ
- Commercial: $35 - buy: https://buy.polar.sh/polar_cl_tctZA7z5EjURT3yPhV4ozdQQxZwfjJLyn8MVX3Ab9BE

Personal is for one person, and that includes shipping it inside your own paid or free apps as compiled or bundled code. Commercial is for a company or organisation, where more than one person uses it, and adds priority email support. Neither lets you share the source itself. Both include the full source. One-time purchase.

## Offline Classroom Tools – Seating, PACER Timer

URL: https://207studio.dev/products/classroom-html-tools/

Four single-file classroom tools: a seating chart with attendance, a morning board, a fitness test recorder and Wi-Fi QR cards.

Four single-file HTML tools: seating + attendance board, weekly attendance to Excel, PACER beep test recorder, Wi-Fi QR cards. No account. $9.

Tiers (USD, one-time):
- Teacher: $9 - buy: https://buy.polar.sh/polar_cl_QTRPbU8ny7asrhpuYWkaZ1I3wGILT2qXKlIUG1ZQ3Ue
- School: $19 - buy: https://buy.polar.sh/polar_cl_6CQvHSVi6j8a5Z5bNYTC1rEoeprhab1xfob2J06on67

Teacher is for one teacher, in your own classes or inside your own paid or free products. School covers every teacher and staff member in one school and adds priority email support. Both include all four tools. One-time purchase.

## Send Approval Gate MCP: Plan, Approve, Send, Verify

URL: https://207studio.dev/products/send-approval-gate-mcp/

An MCP server that makes an AI agent plan, present an exact hash-bound approval, send once and verify, and records every step.

Node.js 22+ MCP server (stdio) with six tools: status, account, contacts, plan-send, send and verify-send. The approval binds plan ID, account, recipient, message SHA-256, backend and environment hash. Duplicate sends are blocked, an uncertain result becomes result_unknown and is never retried, and every step goes to a local ledger with crash recovery. 47 tests, no npm dependencies.

Tiers (USD, one-time):
- Developer: $29 - buy: https://buy.polar.sh/polar_cl_pisramo6U68y8MnVzhsf8GEGaI9YAIbFTQsHo34ITnm
- Commercial: $99 - buy: https://buy.polar.sh/polar_cl_LlYHKLJekKIlUW6LAdcbOkqzpo9zA6FoBFqgz43kFXg

Developer: one developer, own projects only, no company use. Commercial: one organisation and its staff, including in its products as compiled or bundled code, with priority email support. One-time purchase. Commercial covers companies with annual revenue up to $1M. Above that, email support@207studio.dev for an Enterprise license.

## Pairy: Connecting Devices (iOS/iPadOS app)

https://apps.apple.com/app/id6815584225 - remote desktop for your tablet. Paid app, one-time purchase ($4.99 in the US).

## pptx-mcp (free)

https://github.com/207studio/pptx-mcp - MCP server for opening and presenting .pptx files from an AI agent.

## Contact

support@207studio.dev