All You Want 15GB+ (Millie's Library FREE) vs 5G Reliable Unlimited 150GB+ comparison

By starting price alone, All You Want 15GB+ (Millie's Library FREE) is ₩23,000 cheaper. But price is not everything, so check the highlighted rows in the table below.

All You Want 15GB+ (Millie's Library FREE) and 5G Reliable Unlimited 150GB+ compared side by side in MVNO mobile plans.

CurrencyUSDKRWEUR

All You Want 15GB+ (Millie's Library FREE)

What is good

  • Unlimited calls and texts with 15GB in the low ₩20,000 range.

What could be better

  • The price could not be confirmed directly on the official page, so it needs rechecking before sign-up.

All You Want 15GB+ (Millie's Library FREE) official site

5G Reliable Unlimited 150GB+

What is good

  • 5G 150GB with no speed limit after it is used up, and the benefit price is very cheap.

What could be better

  • The final benefit price is an effective price that reflects various discounts and benefits, so the actual bill may be higher.

5G Reliable Unlimited 150GB+ official site

At a glance

Highlighted rows are where they differ.

ItemAll You Want 15GB+ (Millie's Library FREE)Visit site5G Reliable Unlimited 150GB+Visit site
Starting price≈$16.23 (₩21,500)External source≈$33.60 (₩44,500)Checked on official page
Data15GB/mo150GB/mo
Data tierMedium data (8-30GB)Unlimited (speed cap)
CallsUnlimited (300 extra call minutes)Included (unlimited)
TextsUnlimitedIncluded (unlimited)
Speed after data runs out1Mbps (external source, may be 3Mbps so needs checking)5Mbps (estimated)
NetworkKTLG U+
Network typeLTE5G
Promotion details₩21,500 per month, includes a free Millie's Library subscription, 10GB extra data for 24 monthsBilled ₩44,500 (base fee ₩48,900 - Deundeun discount ₩4,400), plus 21,500 KB Points paid every month for 24 months (₩516,000 in total). The effective price after points is ₩23,000, and the effective 1-year total is ₩276,000
Promotion conditionsSelf-activation. +10GB with the Amuna SOLO bundle. You must apply for the partner subscription yourself in the Millie's Library app. The regular price (monthly base fee) needs verificationIndividuals age 19 or older, new sign-ups/number porting within the promotion period, Liiv M app/non-face-to-face sign-up only, keep marketing consent until the payout date, sign up for KB Pay if you have no KB Card, apply for Points auto-payment, once per customer, cannot be combined with internet/IPTV bundle promotions. Payouts stop on plan change/name change/cancellation. The Deundeun discount requires KB transaction activity (₩48,900 without it)
Promotion periodNo fee period listed, the extra 10GB lasts 24 monthsPoints paid for 24 months, the effective price is also ₩44,500 from month 25
Promotion end date2026-10-15 / Whether it was extended could not be confirmed on the official page2026-10-31 (may end early or change)
1-year total258,000534,000
OperatorKT M MobileKB Kookmin Bank
Good forGeneral users who use 10~15GB a month
  • 5G high-volume users
  • KB customers
TypeMVNO mobile plansMVNO mobile plans
CompanySouth KoreaKT M MobileSouth KoreaLiiv M
Plans
      Pros
      • Unlimited calls and texts with 15GB in the low ₩20,000 range.
      • 5G 150GB with no speed limit after it is used up, and the benefit price is very cheap.
      Cons
      • The price could not be confirmed directly on the official page, so it needs rechecking before sign-up.
      • The final benefit price is an effective price that reflects various discounts and benefits, so the actual bill may be higher.

      Prices and benefits may change. Check the official site before you pay.

      Prices converted at 1 USD = ₩1,324.45 (2026-10-23). Original price shown in brackets. Taxes as listed by each provider.

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