모두싸인 — Free Service Overview
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Updated: May 2026
About 모두싸인
모두싸인
모두싸인 is a legal & tax product run by Modusign (Kakao Pay Co., Ltd., a subsidiary of Kakao Corp) out of Seongnam (Pangyo), South Korea. The product launched in launched 2018; consolidated under Kakao Pay 2022 and is part of Kakao Pay Corp (KRX: 377300), a subsidiary of Kakao Corp (KRX: 035720). The current reference price point is Pro / Business plans from ~KRW 9,900/month per user, with per-document fees on Lite. Subger tracks 모두싸인 so subscribers can compare tiers, anchor pricing and renewal terms against the rest of the legal & tax category from one place.
Quick facts — Operator: Modusign (Kakao Pay Co., Ltd., a subsidiary of Kakao Corp) · HQ: Seongnam (Pangyo), South Korea · Launched: launched 2018; consolidated under Kakao Pay 2022 · Ownership: part of Kakao Pay Corp (KRX: 377300), a subsidiary of Kakao Corp (KRX: 035720) · 2026 anchor: Pro / Business plans from ~KRW 9,900/month per user, with per-document fees on Lite.
What is 모두싸인?
At a high level, 모두싸인 is the legal & tax offering from Modusign (Kakao Pay Co., Ltd., a subsidiary of Kakao Corp). Subscribers buy or open the product directly via the operator's website, mobile apps and (where applicable) partner channels. This page is the Subger reference: tier comparison, cancellation path, current deals, promo codes and a true-price tracker covering the intro-vs-renewal gap.
Who operates 모두싸인
The legal operator behind 모두싸인 is Modusign (Kakao Pay Co., Ltd., a subsidiary of Kakao Corp), based in Seongnam (Pangyo), South Korea since launched 2018; consolidated under Kakao Pay 2022. Ownership and listing: part of Kakao Pay Corp (KRX: 377300), a subsidiary of Kakao Corp (KRX: 035720). This matters for two reasons:
- Billing counter-party — invoices, refunds and consumer-protection complaints run against this entity under Seongnam (Pangyo), South Korea-jurisdiction consumer law.
- Roadmap credibility — the operator's most recent product moves give a sense of how aggressive the 2025-2026 product investment is across the legal & tax segment.
Why choose 모두싸인
Category positioning
A leading Korean e-signature and contract-management service alongside Eformsign and Glosign, with Korean PKI and electronic-financial-transactions-act compliance.
Plan structure
The tier ladder is set out in the pricing table below. Headline reference: Pro / Business plans from ~KRW 9,900/month per user, with per-document fees on Lite. Promotional first-period anchors are common in the legal & tax segment; renewal step-ups are the most frequent unexpected charge — Subger's true-price tracker for 모두싸인 reconciles the advertised price with the actual all-in renewal.
2025-2026 differentiator
2025-2026 priorities include Kakao Talk-native contract signing, Korean enterprise SSO and AI contract-review features.
모두싸인 features that matter in 2026
Highlights of the current feature set:
- Document templates — country-specific legal and tax documents with guided completion
- e-signature integration — in-platform signing for contracts and disclosures
- Compliance calendar — deadline reminders for filings and renewals
- Expert-on-demand — scheduled calls with licensed professionals where offered
- Secure document vault — encrypted storage with role-based sharing
- Audit trail — version history and signature logs for every document
The most material change for 2026 buyers is the operator's continued investment described in the differentiator section above.
모두싸인 pricing in 2026
The anchor reference for 2026 is Pro / Business plans from ~KRW 9,900/month per user, with per-document fees on Lite. The full tier comparison:
| Tier | Best for | Reference price (2026) |
|---|---|---|
| Lite | occasional document signing | low monthly fee + per-doc |
| Pro | regular signing for individuals / SMBs | around KRW 9,900/user/month |
| Business / Enterprise | team workflows + audit | higher tier with quote-based add-ons |
Subger pairs the public price with the actual all-in cost (taxes, FX and promotional first-period anchors):
| Subger tool | What it shows |
|---|---|
| True-price tracker | List-price changes and historical promo anchors |
| Deals page | Active discounts and limited-time offers |
| Promo codes | Stackable codes for new and existing subscribers |
| Cancel guide | Step-by-step termination by billing surface |
모두싸인 apps and platform support
| Surface | Notes |
|---|---|
| iOS mobile app | Available where the operator has launched a native app |
| Android mobile app | Available where the operator has launched a native app |
| Web account portal | Self-service plan, billing and notifications |
| Customer support | Email / chat in the operator's home market; phone where offered |
| Third-party integrations | Where supported (accounting, calendar, billing tools, etc.) |
Native iOS / Android coverage, account-portal feature parity and integration breadth all vary by tier — confirm specifics on the operator's product page before committing to an annual plan.
Compliance and audit trail
Beyond the feature list, three points are worth knowing about how 모두싸인 sits in the legal & tax category. First, the operator (Modusign (Kakao Pay Co., Ltd., a subsidiary of Kakao Corp)) is the legal counter-party — billing disputes and consumer-protection claims run through Seongnam (Pangyo), South Korea-jurisdiction rules. Second, the headline price (Pro / Business plans from ~KRW 9,900/month per user, with per-document fees on Lite) is the published anchor — promotional first-period anchors and renewal step-ups are the more common surprise. Third, the legal & tax segment in 2025-2026 has seen consolidation and feature-pack expansion across the board; the operator's specific roadmap matters more than the size of the company.
Who 모두싸인 fits
- Mainstream legal & tax subscriber — wants a credible operator, a clear tier ladder and local-currency billing
- 2026 buyer evaluating differentiators — wants to weigh the operator's recent product moves before committing
- Price-sensitive subscriber — plans to track anchors and renewals via Subger's true-price tracker
- Cancel-ready subscriber — wants a documented cancellation route (cancel guide)
Frequently asked questions about 모두싸인
What is 모두싸인 and who operates it?
모두싸인 is run by Modusign (Kakao Pay Co., Ltd., a subsidiary of Kakao Corp), headquartered in Seongnam (Pangyo), South Korea. The product is positioned in the legal & tax category and competes within the segment described above.
How much does 모두싸인 cost in 2026?
Reference pricing is summarised in the tier table above. 모두싸인's anchor reference point in 2026 is Pro / Business plans from ~KRW 9,900/month per user, with per-document fees on Lite. Local taxes, FX and promotional first-period anchors can move the final amount — confirm live pricing on the operator's site before committing.
Is there a free or trial option for 모두싸인?
Free and trial availability depends on the tier. Lower-tier or onboarding options are commonly available; check the live pricing page on the operator's site for current trial windows and any introductory discounts.
Where is 모두싸인 available?
Availability follows Modusign (Kakao Pay Co., Ltd., a subsidiary of Kakao Corp)'s licensing and operational footprint, with the primary market being Seongnam (Pangyo), South Korea and adjacent regions listed on the operator's signup page. Use a payment method and account address registered in a supported country.
What sets 모두싸인 apart in 2026?
2025-2026 priorities include Kakao Talk-native contract signing, Korean enterprise SSO and AI contract-review features.
Which devices and platforms does 모두싸인 support?
Platform coverage is summarised in the apps section above. Mobile and web surfaces are the recommended way to use the service in most markets; legacy clients may be deprecated as the operator releases updates.
How do I cancel 모두싸인?
Cancel through the account settings on the surface where the subscription was purchased — the operator's website for direct sign-ups, the App Store or Google Play for in-app purchases, or the partner billing portal for bundled accounts. Subger's cancellation guide walks through each route.
Does 모두싸인 offer family, multi-pet or multi-user plans?
Multi-account, multi-pet or multi-user structures vary by tier. Higher tiers commonly add bundled discounts or seat support; entry tiers may restrict additional accounts. Confirm the per-tier limits on the live pricing page.
Is 모두싸인 worth it compared with category alternatives?
Value depends on three factors: how closely the feature set matches your usage, the regional price after taxes and FX (Subger's true-price tracker reconciles the headline price with the actual all-in renewal cost), and the credibility of the 2025-2026 product roadmap.
How can I track price changes for 모두싸인?
Use Subger's true-price tracker for 모두싸인 for renewal anchor history, paired with the 모두싸인 deals page for current discounts and the 모두싸인 promo codes page for stackable codes at signup.
Get started with 모두싸인
Confirm regional pricing on the operator's site, pick the tier matching your usage, and check the deals page and promo codes for active discounts. After signup, track renewals with the true-price tracker and bookmark the cancellation guide.
Related Subger guides
- How to cancel 모두싸인 — step-by-step cancellation walkthrough
- 모두싸인 deals — current promotional offers
- 모두싸인 promo codes — active discount codes
- 모두싸인 true-price tracker — intro-vs-renewal math
- Legal & Tax hub — Subger's legal & tax category page
Pricing
| Regional pricing | Starter | Business |
|---|---|---|
| 🇰🇷South KoreaKRW | ₩9,900.00≈ $6.72 | ₩29,900.00≈ $20.30 |
Prices converted at current exchange rate
Sources
Subger is not affiliated with, endorsed by, or connected to 모두싸인 or its parent companies. All trademarks, service marks, and logos belong to their respective owners. Information on this page is provided for informational and comparison purposes only. Pricing and plan details are sourced from publicly available information and may not reflect current offerings — please verify with the official provider. If you are a representative of this service and believe any information is inaccurate, please contact us at info@subger.com.
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