휴대폰 요금제 가이드 - 알뜰폰·통신비 비교

Are your monthly phone bills really reasonable?

Even with the same data usage, your annual phone bill can vary by hundreds of thousands of won depending on how you combine rate plans, contracts, and bundle discounts. 'Mobile Phone Rate Plan Guide' is an information guide app that compares rates from the three major carriers with budget phone plans to help you identify wasted money.

[One-line Summary of Phone Bills]

Monthly Phone Bill = Rate Plan + Device Installment + Value-added Services - Contract Discount - Bundle Discount. You need to examine your bill item by item to see where the money is leaking.

[25% Selective Contract Discount - Maintained Even After Repeal of the Mobile Device Distribution Act]

Although the Mobile Device Distribution Act was repealed in July 2025, the 25% selective contract discount applied when not receiving a device subsidy has been transferred to the Telecommunications Business Act and remains in effect. Users of unlocked or used phones can save a quarter of their monthly bill simply by taking advantage of the selective contract. [MVNOs, Now the Era of 10 Million Users]

MVNOs (Mobile Virtual Network Operators) are operators that lease the networks of the three major telecommunication companies and sell their services at lower prices. The communication quality is identical to that of the three carriers' networks, and popular plans start at around 10,000 won per month for 10GB+ of data, which is about half the price of the mid-to-low-end plans offered by the three major carriers.

[What This App Helps You With]

✓ Self-Diagnosis for Switching to Budget Phones - Determine suitability based on contract, bundle discounts, and usage

✓ Number Porting & Plan Change Checklist - 11 steps from checking contract expiration to activation

✓ D-Day Notifications for Contract Expiration Dates & Promotion End Dates

✓ Guide on Choosing a Plan Based on Data Usage

✓ Comparison Guide Between 5G/LTE Plans from the 3 Major Carriers and Budget Phones

✓ Summary of Strategies for Bundle Discounts, Unlocked Phones, and Number Porting

✓ 14 Frequently Asked Questions (FAQ) - Penalties, device installments, eSIM, 0-Won Plans, etc.

✓ 50 Tips on Communication Costs + 50 Quiz Questions

[Recommended for These People]

• Those who have been using the same plan for several years

• Those who use an unlimited plan despite having very little data

• Those who are curious about budget phones but have been putting it off due to concerns about quality or procedures

• Those whose contracts are nearing expiration and want to determine the right time to switch

• Those who want to check their family's communication costs all at once Minutes

[Topics Covered]

We have compiled all the information necessary to save on communication costs in one place, including comparisons of budget phone plans, 5G and LTE plans from the three major carriers (SKT, KT, LG U+), selective contracts and official subsidies, bundle discounts, data usage checks, number portability, unlocked phones, eSIM, communication fee reduction schemes, and early termination penalties.

[Advertisement]

Advertisements are included on some screens to operate the free app. They are clearly separated from the content and do not interfere with self-diagnosis, checklists, or information verification.

[Disclaimer]

※ This app is not an official app representing any telecommunications carrier or government agency.

※ This app provides information regarding mobile phone plans and communication costs; it does not replace the official subscription or change procedures of the carriers. Please verify the exact plan amounts and contract conditions through each carrier's official channels.

※ Plan amounts, discount rates, and contract conditions are subject to change based on carrier policies and amendments to relevant laws. ※ Source: Smart Choice Telecommunication Rate Information Portal (https://www.smartchoice.or.kr)