Running out of mobile data mid-trip is one of those travel nightmares nobody plans for. You're navigating an unfamiliar city when your maps app freezes, and you realise you've burned through your allowance without even noticing.
The good news is that tracking your data usage with an eSIM (an embedded SIM built directly into your device) is simple once you know where to look.
But before you get started, keep in mind that different providers handle data tracking differently. Some route everything through their app. Others point you straight to your device settings. And accuracy can vary depending on which method you use.
At Breeze, we keep things transparent from the start. Instead of leaving you in the dark, you can set data limits and friendly reminders when your data's running low right on your BreezeSIM account. This way, you're never caught off guard while using eSIM data abroad.
This guide covers:
- How to check data usage on iPhone
- How to track usage on Android
- How to check directly through your eSIM provider
- Tips to make your data last longer
Whether you're a first-time eSIM user or a seasoned traveller just switching providers, this guide has you covered. Let's keep your connection going strong.
How to Check eSIM Data on iPhone via Settings
Setting up your eSIM is easy, and checking your usage is just as simple. Here's the quickest path on any iOS device:
- Open Settings on your iPhone.
- Tap Cellular (or Mobile Data on some regional iOS versions).
- Scroll down to "Cellular Data Usage" to see data usage broken out by app.

Note: The counter in Settings tracks cumulative usage since your last reset, not your eSIM plan's remaining allowance. If you haven't reset the counter since installing your plan, the number you see may not match what's actually left.
Checking Per-Plan Usage When You Have Two Lines
Using an eSIM on iPhone while keeping your physical SIM active? iPhone's dual-SIM setup lets you view each line separately.
- Tap Cellular in Settings.
- Tap your eSIM line (it'll show whatever label you gave it, like "Travel Data").
- You'll see usage figures specific to that plan.
This is useful for confirming you're pulling data from your Breeze eSIM and not accidentally racking up charges on your home network.
Reset the Counter at the Start of Every Trip
For a clean read on how much data you've used during a trip, reset your stats when you land. Scroll to the bottom of the Cellular screen and tap Reset Statistics. From that point on, everything you see reflects only your current trip.

How to Track eSIM Data Usage on Android Devices
The quickest route to track your eSIM data usage is through your mobile network settings:
- Open Settings on your phone.
- Tap Mobile Network (sometimes labelled Connections or Network & Internet depending on your brand).
- Select Data Usage.

-
If you're running an eSIM alongside a physical SIM, tap your eSIM line to view its data separately.
You'll see a breakdown of how much data you've used across your current billing cycle.
Android Brand-Specific Paths
Different manufacturers arrange their menus differently. Here's a quick reference:
|
Phone Brand |
Path to Data Usage |
|
OnePlus |
Settings › Mobile Network › Data Usage |
|
Samsung |
Settings › Connections › Data Usage |
|
Google Pixel |
Settings › Network & Internet › SIMs › Data Usage |
|
Xiaomi |
Settings › SIM Cards & Mobile Networks › Data Usage |
What to Look for When Using an eSIM
Android treats each SIM (physical or digital) as a separate data source. Select your eSIM line specifically to get an accurate read on what you've actually used.
However, keep in mind that:
- Your Android counter resets on a set date each month. If your Breeze plan runs for a fixed window (say, 10 days), the device counter and your plan period won't always line up.
- For your actual remaining data, log in to your Breeze account or check your confirmation email. That reflects your real plan balance, not just what your phone has tracked locally.
Ready to set up alerts so you never hit zero without warning? The next section covers exactly that.
How to Set Up Alerts for Low Data Usage
Nobody wants to discover their data's gone at the worst possible moment. The good news? You can set up warnings before you ever board the plane.
How to Set a Data Warning on iPhone
-
Open Settings and tap Cellular Data
-
Tap Cellular Data Options and enable Low Data Mode. This throttles background app activity when you're running lean.

iPhone doesn't have a native pop-up threshold alert, so pairing Low Data Mode with your provider's own notifications is the smart move. With Breeze, you'll get built-in reminders before you hit empty, so there are no nasty surprises mid-trip.
How to Set a Data Warning on Android
- Open Settings and go to Network & Internet (or Connections on Samsung).
- Tap Data Usage, then select your eSIM line.
- Toggle on Set data warning and enter your preferred limit, say 80% of your plan's total.
- Tap Set, and you're done.
Your phone will ping you the moment you hit that threshold. Ready to roam without the worry? Just toggle data roaming on and go.
Third-Party Apps for Tracking Alerts
If you want more granular control, some providers build tracking directly into their platforms. Breeze eSIM, for example, lets you check your eSIM in real time. To do this, navigate to 'My Account' on the Breeze eSIM portal, select your eSIM, and click 'Details' to see the breakdown of your current bundle and data balance.
How to Optimize Your eSIM Data Usage While Traveling
Knowing your balance is only half the battle. Making it last is the other half. Whether you're island-hopping across Asia or doing a multi-city rail trip through Europe, a few simple habits can stretch your data much further than you'd expect.
1. Check Your Balance Before You Need To
Don't wait until your connection drops. Make it a habit to check every morning, just like checking the weather before you head out. On iPhone, go to Settings > Cellular > Mobile Data. On Android, navigate to 'Settings › Connections › Data Usage.'
2. Download Before You Go
Offline mode is your best friend on the road.
- Download Google Maps or Apple Maps for your destination before leaving Wi-Fi.
- Save Spotify playlists, Netflix episodes, or podcasts overnight.
- Take screenshots of your hotel confirmation, transport tickets, and restaurant addresses.
You'll barely touch your data for the basics, and save it for moments that actually need a live connection.
3. Tighten Up Your App Settings
Background app refresh is a quiet data thief. Apps update, sync, and fetch content even when you're not actively using them. To fix this:
- Turn off background app refresh for social media and streaming apps.
- Set the email to fetch manually rather than push.
- Disable auto-play videos in Instagram, Facebook, and X.
These tweaks alone can save hundreds of megabytes a day without changing how you use your phone.
4. Top Up If You Need To
Running low? No stress. Top up anywhere in seconds and keep on roaming. With Breeze eSIM, topping up is quick and easy.
Comparing eSIM Data Tracking Features Across Providers
Not all eSIM providers make data tracking equally easy. Some rely on their own app, some lean on device settings, and the best ones give you both.
Airalo
Airalo takes a dual approach. You can check usage through both your Airalo account dashboard and your device settings, handy for a glance without opening another app. The trade-off is having to manage two places to look when you just want a fast answer.
Nomad eSIM
Nomad keeps things app-first. Through the Nomad app or website, you can track your remaining time, and the app pushes notifications at specific usage thresholds. Genuinely useful, but it does require the app to be installed and notifications to be turned on.
How Breeze eSIM Compares
Breeze keeps things simple. There's no app to download or manage. Once your eSIM is installed, everything is handled through your phone's built-in settings, and our eSIM FAQ provides step-by-step instructions for both iPhone and Android devices.
You'll also know exactly how much data you have available. Breeze plans come with clear data allowances and helpful notifications when you're getting close to your limit. Unlike many traditional mobile providers, Breeze won't let you exceed your plan and rack up unexpected charges. When your data runs low, you'll receive a reminder with the option to top up or purchase another plan if needed. No bill shock, hidden fees, or surprises when you get home.
|
Provider |
App Required |
Device Settings |
Usage Alerts |
|
Airalo |
Yes |
Yes |
Limited |
|
Nomad eSIM |
Yes |
Yes |
Yes (thresholds) |
|
Breeze eSIM |
No |
Yes |
Yes (built-in) |
Running low on data? Top up anywhere in seconds and keep on roaming.
Stay on Top of Your eSIM Data and Keep Roaming with Confidence
Using eSIM doesn't mean flying blind on data. Your phone's built-in settings give you a clear, real-time view of what you've consumed. And with Breeze, you've got an extra layer of reassurance on top. Unlike your regular network provider, we'll never let you go over your agreed data allowance and start charging you more.
To recap:
- Check your usage in phone settings each morning before a big day out.
- Set a usage alert at 80% so you've got time to top up calmly.
- Turn off background app refresh when you're on a tight data budget.
- Keep tethering for short bursts, not all-day hotspot sessions.
Install your eSIM instantly today. Your data coverage will begin when you arrive at your destination and turn on your eSIM. Enjoy your trip!