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Home / Travel & eSIM / eSIM Data Plans / Ubigi
8.5 Tested Aug 24, 2026 by Team RankingRight

Ubigi (USA 10 GB, 30 days) review 2026

Owned by a real mobile operator rather than a reseller, which shows in the speeds — the fastest connection we measured in all three locations

Transatel (NTT) Ubigi
Manufacturer product image from cellulardata.ubigi.com, used to illustrate our review of the product; copyright remains with the manufacturer.
PriceFrom $22 · checked Sep 11, 2026
Cost per GB2.20 $
US networkAT&T

Is the Ubigi Worth It?

Fastest speeds in our test. Ubigi gave the best actual speeds because it is an operator rather than a middleman. Check AT&T coverage on your route first, because there is no second network to fall back on.

Ubigi Pros & Cons

Pros
  • Fastest downloads of the seven in every location we tested
  • Transatel is an NTT-owned operator, not a reseller buying wholesale
  • Preinstalled on many recent laptops and tablets — no QR code needed
  • $2.20 per GB
Cons
  • AT&T only, so no fallback if AT&T is weak where you are
  • App is functional rather than pleasant
  • Took four minutes to activate, the slowest here

Ubigi at a Glance

8.5 Editor Score
Coverage & network qualityWhich carriers each eSIM roams onto in the US and abroad, and measured speed on the same handset in the same three locations.
28/30
Price per gigabyteCost per GB on a typical 10 GB, 30-day plan, and what a top-up costs.
20/25
Setup & activationTime from purchase to working data, QR or in-app install, and whether a US number comes with it.
13/15
FlexibilityPlan lengths, regional and global bundles, hotspot allowance, whether unused data rolls over.
11/15
SupportReachability when activation fails abroad, refund policy, and the quality of the app.
13/15
Reader ratingNo reader ratings yet — not part of the score
–

Rubric v1: Coverage & network quality 30 · Price per gigabyte 25 · Setup & activation 15 · Flexibility 15 · Support 15. Score = Σ ÷ 10, locked Sep 11, 2026. How we rank.

Where to buy — prices checked Sep 11, 2026

Ubigi — $22

Best priceVisit Site

Ubigi specifications

Cost per GB (10 GB plan)2.2 USD
US networksAT&T
Countries covered190+ countries
HotspotYes
US number includedNo
Plan lengths1 to 30 days
Time to working data (our test)4 min
Data rolloverNo

Why it scored 8.5

Ubigi gave the best actual speeds because it is an operator rather than a middleman. Check AT&T coverage on your route first, because there is no second network to fall back on.

Where it loses

Single network.

Still the right pick for

Travellers in AT&T territory who want speed.

What owners say

No reader ratings yet. This block fills in from real submissions only — we never write, buy or generate reader reviews, and none of them touch the editor score.

Changelog: Sep 11 — rank 2 → 3 · all changes

Ubigi8.5 · $22
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