BackpackLink vs eSIM For U
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BackpackLink
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Land, scan, get online. BackpackLink gives you instant mobile data in 200+ countries — no roaming bills, no queuing for a local SIM, and no swapping the tiny tray card you'll inevitably lose. Buy an eSIM before you fly, scan the QR code, and you're connected the moment you land. WHY TRAVELLERS USE BACKPACKLINK • Instant delivery — your eSIM appears in your account seconds after payment. • 200+ destinations — country, regional and worldwide plans in one place. • Keep your number — your eSIM runs alongside your normal SIM, so calls and texts still reach you. • No roaming shock — transparent prepaid pricing, paid once, up front. • Hotspot ready — tether your laptop and travel companions on most plans. • Up to 5G — full speed wherever the local network supports it. • Top up anytime — running low? Add data to the same eSIM in a couple of taps. HOW IT WORKS 1. Search your destination and pick the data, validity and speed that suit your trip. 2. Pay securely by card. 3. Scan the QR code from your account, and you're online. TRACK YOUR DATA See exactly how much data is left on each eSIM, check coverage before you travel, and keep every order and QR code in one place. HELP WHEN YOU NEED IT Chat with our support team from inside the app, browse install guides and troubleshooting, and read tips from other travellers. REQUIREMENTS An eSIM-capable, carrier-unlocked iPhone. Plans are data-only unless the plan says otherwise. BackpackLink is a reseller of global eSIM connectivity. Coverage and speeds depend on our local network partners in each destination.
eSIM For U
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Get online the moment you land. eSIM For U gives you mobile data for your trip in 200+ destinations: single countries, regions like Europe (33 countries) and worldwide plans. Buy before you fly: your plan only starts when you first connect at your destination. Install the eSIM in one tap on this iPhone, or with a QR code on another phone. WHAT YOU GET • Mobile data in 200+ destinations, regions and worldwide • Plans with a fixed amount of data, or unlimited day plans with a daily full-speed allowance • Your plan starts on first connection at your destination • One-tap install on this iPhone, or QR code for another phone • Top up the same eSIM when you need more • See your remaining data and days right in the app • Up to 5G on local partner networks • Pay with Apple Pay, card or Revolut Pay • Prepaid: no contract, no roaming bill • Help chat inside the app KEEP YOUR NUMBER eSIM For U is data only: there is no phone number, and calls and SMS are not included. Your own SIM and your WhatsApp number keep working. HOW IT WORKS 1. Choose your destination and plan 2. Install the eSIM before you travel 3. When you arrive, use the eSIM for mobile data REQUIREMENTS Your phone must support eSIM and must not be carrier-locked. eSIM For U is operated by L&L Synergy FlexCo, Vienna, Austria. More at esimforu.app
Screenshots
Verdict
The clearest difference is iOS requirement: BackpackLink at 13.0 against eSIM For U's 17.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | BackpackLink | eSIM For U |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Daily |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 19 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Didarul Islam | L&L Synergy FlexCo |
In-app purchases
BackpackLink
No in-app purchases
eSIM For U
No in-app purchases









