set low data alert
A free esimgomobile tool.
set low data alertRemaining-data checks for signed-in accounts — live in your account dashboard, alongside low-data alerts that warn you before you run dry.
Remaining-data checks live in your account dashboard — sign in after getting a plan. This page will never show a demo balance: any number here would be fabricated.
Get a planThe Data Balance tool will show a signed-in user exactly how much eSIM data remains — per profile, in MB and percent — pulled live from the supplier usage API through your esimgomobile account.
It lands together with its companion tools: My Active eSIMs (which profiles live on your account), Resend QR (lost your activation code? get it re-sent to your verified email), and Low-Data Alert (a scheduled check that warns you when remaining data drops below your threshold). All four need the same foundation: account auth plus the supplier usage API.
No demo balance is shown here — any number would be fabricated. Real remaining-data checks live in your account dashboard once you have a plan.
Planned for v2 — requires account auth (who's signed in) plus the supplier usage API via the backend. Both are on the roadmap. This tool will only ever show your own account's data, scoped to your login; supplier credentials never reach the client. We will not mock a balance screen with fake numbers.
A free esimgomobile tool.
set low data alertA free esimgomobile tool.
list active esimsEstimate how much mobile data your trip needs from trip length, daily hours online and a usage profile — then get a suggested plan size.
Data Usage EstimatorMonthly plans from $8/mo, travel packs from $3.65. Real checkout, no waiting.
Browse the full toolbox — calculators, checkers and guides for the eSIM era.
Open the toolboxSee how esimgomobile's eSIM plans, virtual numbers and Tele Agent are structured.
View pricingEvery tool is also an API. REST, SDKs, CLI and an MCP server for AI agents.
Developer docsSee it live
Every screen below is the real flow: plans, coverage, speed and support, rendered for this page.



curl https://api.esimgomobile.com/v1/esims \
-H "Authorization: Bearer $KEY" \
-d '{"country":"DA"}'



















Explainer
The pattern is always the same: tell the tool a little about your trip, and it does the research you'd otherwise do across ten tabs.
Tools are free and instant. They're the fastest way to turn a vague travel question into a concrete next step.
Explainer
Bookmark it — travel questions have a habit of returning at the worst moment.
Most travelers use Data Balance once while planning and once on the road. Both visits take under a minute.
Explainer
If a result surprises you, rerun with different inputs. Exploring the options is the point.
The tool is only as good as its inputs — a rough date range beats a perfect one you never enter.
Explainer
From here the path is short — pick a plan, check out through Amazon Pay, scan the QR code, and you're done.
Every tool result points somewhere useful: usually a plan that fits, sometimes a guide that goes deeper.
And if you'd rather talk it through, the Tele Agent answers the same questions conversationally, any time.
Feature availability
The complete availability matrix — what Data Balance does, what it accepts, and what you can count on. No asterisks.
| Capability | Status | What it means for you |
|---|---|---|
| No account required | Included | The tool works for anonymous visitors — answers first, signup never forced. |
| Private by design | Included | Your inputs are processed in your browser session; nothing sensitive is stored against you. |
| Instant results | Included | Computation happens the moment you submit. No queues, no waiting room. |
| Onward links | Included | Every result links to the natural next step — the plan, guide or checkout it points to. |
| Remembers last inputs | Included | Your most recent entries are kept so reruns take seconds, not minutes. |
| Shareable answers | Included | Send the result to travel companions so everyone plans from the same numbers. |
| Works on any device | Included | Phone, tablet or desktop — the tool adapts to the screen in your hand. |
| Free to use | Included | Every run of the tool is free. No credits, no paywall, no trial that expires mid-trip. |
Specifications
Capabilities
Mistakes get caught before they become wrong answers — ranges, formats and required fields are checked live.
Results account for trip length, destination and usage profile instead of giving one-size-fits-all numbers.
Change one input and see the answer update — exploring options is the whole point.
Once loaded, the tool keeps working through flaky airport Wi-Fi for the inputs you've already entered.
No telecom jargon in the results. If a term needs explaining, the tool explains it inline.
Prefer conversation? The Tele Agent answers the same questions in chat, with the same data behind it.
Use cases
Run the numbers weeks ahead — know the right plan before you book anything.
Flight delayed, plans changed? Get the answer in under a minute at the gate.
Size data for video calls and hotspotting with confidence, not guesswork.
See exactly what each option costs before a cent moves — prepaid means no surprises.
One tool covering every traveler's needs — run it once per person, compare, done.
Saved inputs make the second, third and tenth run nearly instant.
FAQ
Your inputs stay in your browser session. We don't sell tool usage data, and there's no ad tracker watching the form.
No. Every tool on esimgomobile is free to use, as many times as you like.
Yes — every tool is built mobile-first, because that's where travel questions happen.
No — tools work for anonymous visitors. If you do have an account, your last inputs are remembered.
They're computed from your inputs against current plan and coverage data. Garbage in, garbage out — so the tool validates inputs as you type.
Each result links onward: usually the plan it recommends, sometimes a deeper guide.
Visual guides
Data Balance — capability dashboard
What the tool accepts, what it does best, and what it points to.
Hover any bar or point for its exact value. Tabs switch datasets — everything on this panel is computed from live product data unless labeled illustrative.
One of 30+ free utilities from esimgomobile — no signup, runs in your browser.