Skip to content
eSIMAddict

SimSwift 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

This page is not indexed yet: it has not met the coverage and editorial thresholds published in our methodology.

Data
Data allowance
More filters

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: SimSwift, Japan 50GB 30Days 1 SimSwift Japan 50GB 30Days 50 GB 30 days 4G Japan only £19.80 £0.40 per GB
View offer: SimSwift, Japan 3GB 15Days 2 SimSwift Japan 3GB 15Days 3 GB 15 days 4G Japan only £2.56 £0.85 per GB
View offer: SimSwift, Japan 3GB 30Days 3 SimSwift Japan 3GB 30Days 3 GB 30 days 4G Japan only £2.56 £0.85 per GB
View offer: SimSwift, Japan 10GB 30Days 4 SimSwift Japan 10GB 30Days 10 GB 30 days 4G Japan only £5.86 £0.59 per GB
View offer: SimSwift, Japan 20GB 30Days 5 SimSwift Japan 20GB 30Days 20 GB 30 days 4G Japan only £10.26 £0.51 per GB
View offer: SimSwift, Japan 10GB/Day 6 SimSwift Japan 10GB/Day 10 GB/day 1 day 4G Japan only £5.86 £0.59 per GB
View offer: SimSwift, Japan 3GB/Day 7 SimSwift Japan 3GB/Day 3 GB/day 1 day 4G Japan only £2.93 £0.98 per GB
View offer: SimSwift, Japan 50GB 180Days 8 SimSwift Japan 50GB 180Days 50 GB 180 days 4G Japan only £32.27 £0.65 per GB
View offer: SimSwift, Japan 5GB 30Days 9 SimSwift Japan 5GB 30Days 5 GB 30 days 4G Japan only £3.66 £0.73 per GB
View offer: SimSwift, Japan 2GB/Day FUP1Mbps 10 SimSwift Japan 2GB/Day FUP1Mbps 2 GB/day 1 day 4G Japan only £2.19 £1.10 per GB
View offer: SimSwift, Japan 10GB/Day 11 SimSwift Japan 10GB/Day 10 GB/day 4 days 4G Japan only £23.45 £0.59 per GB
View offer: SimSwift, Japan 10GB/Day 12 SimSwift Japan 10GB/Day 10 GB/day 5 days 4G Japan only £29.31 £0.59 per GB
View offer: SimSwift, Japan 10GB/Day 13 SimSwift Japan 10GB/Day 10 GB/day 6 days 4G Japan only £35.17 £0.59 per GB
View offer: SimSwift, Japan 10GB/Day 14 SimSwift Japan 10GB/Day 10 GB/day 7 days 4G Japan only £41.03 £0.59 per GB
View offer: SimSwift, Japan 10GB/Day 15 SimSwift Japan 10GB/Day 10 GB/day 8 days 4G Japan only £46.89 £0.59 per GB
View offer: SimSwift, Japan 10GB/Day 16 SimSwift Japan 10GB/Day 10 GB/day 9 days 4G Japan only £52.75 £0.59 per GB
View offer: SimSwift, Japan 10GB/Day 17 SimSwift Japan 10GB/Day 10 GB/day 10 days 4G Japan only £58.61 £0.59 per GB
View offer: SimSwift, Japan 10GB/Day 18 SimSwift Japan 10GB/Day 10 GB/day 11 days 4G Japan only £64.47 £0.59 per GB
View offer: SimSwift, Japan 10GB/Day 19 SimSwift Japan 10GB/Day 10 GB/day 12 days 4G Japan only £70.34 £0.59 per GB
View offer: SimSwift, Japan 10GB/Day 20 SimSwift Japan 10GB/Day 10 GB/day 13 days 4G Japan only £76.20 £0.59 per GB
View offer: SimSwift, Japan 10GB/Day 21 SimSwift Japan 10GB/Day 10 GB/day 14 days 4G Japan only £82.06 £0.59 per GB
View offer: SimSwift, Japan 10GB/Day 22 SimSwift Japan 10GB/Day 10 GB/day 15 days 4G Japan only £87.92 £0.59 per GB
View offer: SimSwift, Japan 10GB/Day 23 SimSwift Japan 10GB/Day 10 GB/day 16 days 4G Japan only £93.78 £0.59 per GB
View offer: SimSwift, Japan 10GB/Day 24 SimSwift Japan 10GB/Day 10 GB/day 17 days 4G Japan only £99.64 £0.59 per GB
See all 2,743 plans →

Plan details