On the surface this is a comparison between two eSIMs. In reality it's a comparison between two different philosophies about how much data you'll use on your next trip. Yesim wants you to stop counting megabytes forever with unlimited plans. Drimsim wants you to count each megabyte carefully but never worry about expiry dates. Both are valid — for different kinds of travellers.
Quick comparison
| Yesim | Drimsim | |
|---|---|---|
| Countries | 200+ | 197 |
| Data type | Unlimited + Prepaid | Pay-as-you-go |
| Unlimited option | Yes (fair use ~70 GB/mo) | No |
| Cheapest plan | ~$1.50 / 1 GB | ~$3–10 / GB |
| Plan expiry | 3–30 days | No expiry (annual activity) |
| Hotspot | ✓ All plans | ✓ |
| Privacy features | VPN (iOS only) | — |
| Best for | Heavy users, remote workers | Backup SIM for frequent travellers |
The case for Yesim over Drimsim
For any planned trip of more than a couple of days, Yesim wins on cost by a lot. A Yesim unlimited week for around $27 gives you cap-free data in most countries; the same volume of usage on Drimsim at roughly $4 per GB would run $60-120 depending on how heavy you are. If you stream any video, make video calls, or tether a laptop, the math is not close.
Yesim's app is also significantly better. Real-time data tracking, clean plan switching when you cross borders, and an activation flow that actually explains what's happening. Drimsim's interface feels like a throwback by comparison.
Read full Yesim review → Get Yesim →
The case for Drimsim over Yesim
Drimsim's advantage is timing, not price. You buy it once, top up $15-20, and then the balance sits there waiting for the day you actually need it. No expiry, no thinking about it, no decision fatigue at 2am in a Latin American airport. For frequent travellers who do lots of short stops, the psychological value of "I already have data here" is real and worth paying for.
Drimsim also works across borders without buying a new plan. If your trip zigzags through 4 countries in 10 days, the Drimsim balance just keeps working. With Yesim you'd need a separate regional or country plan for each jurisdiction, which adds setup friction even if the per-GB math is better.
Read full Drimsim review → Get Drimsim →
Where each falls short
Yesim: Every plan has an expiry date, so if your trip gets delayed or you underestimate your time in a country, the remaining plan is lost. The unlimited plans have an undisclosed fair-use threshold (around 70 GB/month) that can throttle heavy users without warning. And the 1 GB entry tier is only valid for 3 days, which catches a lot of first-time buyers.
Drimsim: Pay-as-you-go pricing is genuinely expensive for heavy use — there's no way to make Drimsim cost-effective if you use more than a few GB per trip. No unlimited plans, no bulk discounts, no privacy features, no VPN. The dashboard defaults to USD which makes country-by-country budgeting awkward.
The verdict: Yesim or Drimsim?
For your next planned trip, pick Yesim. The unlimited weekly plans are the cheapest way to stop thinking about data, and the country coverage is the widest of the four providers we track. For the 20% of your travel life that involves unplanned layovers, flight diversions and "oh I'm suddenly in Panama for 8 hours" situations, Drimsim is the insurance policy worth having installed on your second eSIM slot. Most experienced travellers eventually run both — Yesim for the main trip, Drimsim as a permanent fallback.
See our 2026 eSIM overview for how Airalo and Saily fit into this picture.
Both providers serve most countries — the right choice depends on whether you want a plan or a balance.
Choose a Country →