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Always Mobile plans for Japan

2,743 live plans from 24 providers, ranked on what a gigabyte actually costs rather than on the sticker price. Checked 27 August 2026

Compare 2,743 plans →
£0.21 Lowest per GB Cheapest honest gigabyte here
£1.35 Median per GB Unlimited and fair-use excluded
£0.76–2.98 Typical band Where most plans land
52% Advertise 5G 85% allow hotspot

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Compare 2,743 plans

We earn a commission on some links below. Commission carries zero weight in the ranking formula, which is published in full. Prices are indicative and the provider's own checkout is always authoritative.

Showing 24 of 2,743 plans

View offer: Always Mobile, Japan 50GB 30Days 1 Always Mobile Japan 50GB 30Days 50 GB 30 days 5G Japan only £15.77 £0.32 per GB
View offer: Always Mobile, Japan 10GB 30Days 2 Always Mobile Japan 10GB 30Days 10 GB 30 days 5G Japan only £4.58 £0.46 per GB
View offer: Always Mobile, Japan 20GB 30Days 3 Always Mobile Japan 20GB 30Days 20 GB 30 days 5G Japan only £7.89 £0.40 per GB
View offer: Always Mobile, Japan 3GB 15Days 4 Always Mobile Japan 3GB 15Days 3 GB 15 days 5G Japan only £2.57 £0.86 per GB
View offer: Always Mobile, Japan 3GB 30Days 5 Always Mobile Japan 3GB 30Days 3 GB 30 days 5G Japan only £2.75 £0.92 per GB
View offer: Always Mobile, Japan 50GB 180Days 6 Always Mobile Japan 50GB 180Days 50 GB 180 days 5G Japan only £25.86 £0.52 per GB
View offer: Always Mobile, Japan 5GB 30Days 7 Always Mobile Japan 5GB 30Days 5 GB 30 days 5G Japan only £3.48 £0.70 per GB
View offer: Always Mobile, Japan 1GB 7Days 8 Always Mobile Japan 1GB 7Days 1 GB 7 days 5G Japan only £1.83 £1.83 per GB
View offer: Always Mobile, China mainland & Japan & South Korea 3GB 15Days 9 Always Mobile China mainland & Japan & South Korea 3GB 15Days 3 GB 15 days 5G +2 more countries £5.87 £1.96 per GB
View offer: Always Mobile, China mainland & Japan & South Korea 3GB 30Days 10 Always Mobile China mainland & Japan & South Korea 3GB 30Days 3 GB 30 days 5G +2 more countries £6.05 £2.02 per GB
View offer: Always Mobile, China mainland & Japan & South Korea 20GB 30Days 11 Always Mobile China mainland & Japan & South Korea 20GB 30Days 20 GB 30 days 5G +2 more countries £23.11 £1.16 per GB
View offer: Always Mobile, Asia (12 areas) 3GB 15Days 12 Always Mobile Asia (12 areas) 3GB 15Days 3 GB 15 days 5G +11 more countries £8.44 £2.81 per GB
View offer: Always Mobile, Asia (12 areas) 3GB 30Days 13 Always Mobile Asia (12 areas) 3GB 30Days 3 GB 30 days 5G +11 more countries £8.62 £2.88 per GB
View offer: Always Mobile, China mainland & Japan & South Korea 10GB 30Days 14 Always Mobile China mainland & Japan & South Korea 10GB 30Days 10 GB 30 days 5G +2 more countries £14.30 £1.43 per GB
View offer: Always Mobile, Asia-20 3GB 15Days 15 Always Mobile Asia-20 3GB 15Days 3 GB 15 days 5G +19 more countries £8.44 £2.81 per GB
View offer: Always Mobile, Asia-20 3GB 30Days 16 Always Mobile Asia-20 3GB 30Days 3 GB 30 days 5G +19 more countries £8.80 £2.93 per GB
View offer: Always Mobile, China mainland & Japan & South Korea 1GB 7Days 17 Always Mobile China mainland & Japan & South Korea 1GB 7Days 1 GB 7 days 5G +2 more countries £3.12 £3.12 per GB
View offer: Always Mobile, China mainland & Japan & South Korea 5GB 30Days 18 Always Mobile China mainland & Japan & South Korea 5GB 30Days 5 GB 30 days 5G +2 more countries £8.44 £1.69 per GB
View offer: Always Mobile, Asia (12 areas) 10GB 30Days 19 Always Mobile Asia (12 areas) 10GB 30Days 10 GB 30 days 5G +11 more countries £21.27 £2.13 per GB
View offer: Always Mobile, Asia (12 areas) 20GB 30Days 20 Always Mobile Asia (12 areas) 20GB 30Days 20 GB 30 days 5G +11 more countries £36.68 £1.83 per GB
View offer: Always Mobile, Global (120+ areas) 3GB 30Days 21 Always Mobile Global (120+ areas) 3GB 30Days 3 GB 30 days 5G +116 more countries £10.82 £3.61 per GB
View offer: Always Mobile, Asia (12 areas) 5GB 30Days 22 Always Mobile Asia (12 areas) 5GB 30Days 5 GB 30 days 5G +11 more countries £12.65 £2.53 per GB
View offer: Always Mobile, Asia (12 areas) 1GB 7Days 23 Always Mobile Asia (12 areas) 1GB 7Days 1 GB 7 days 5G +11 more countries £4.03 £4.03 per GB
View offer: Always Mobile, Asia-20 10GB 30Days 24 Always Mobile Asia-20 10GB 30Days 10 GB 30 days 5G +19 more countries £21.27 £2.13 per GB
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