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Yesim Review 2026

Swiss-based eSIM provider with unlimited plans, built-in VPN, and coverage in 200+ countries. Best for heavy data users who want one eSIM worldwide.

Countries200+
Starting from~$8.40/day
Data typeUnlimited + Prepaid
Best forHeavy data users
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Our verdict: Good for unlimited plans, but pricing has changed

Yesim used to be the budget champion with cheap small data plans. In 2026, they've pivoted to unlimited plans and larger prepaid packages. The small 1-3 GB plans are gone. If you need unlimited data or 10+ GB, Yesim offers competitive rates with the added bonus of a built-in VPN. For light users, Saily or Airalo are now cheaper.

Overview

Yesim is a Swiss-based eSIM provider founded in 2019. Their key differentiator is "SwitchLess Networks" technology — the eSIM automatically connects to the best available network in your location, choosing from 800+ partner operators worldwide. They also bundle a VPN feature (iOS only as of 2026) and offer both unlimited daily plans and larger prepaid data packages.

The app interface is clean, with one-tap installation and real-time data tracking. Yesim has a 4.3 rating on Trustpilot with 1,900+ reviews, with users praising the easy setup and reliable coverage.

Pricing

Yesim's pricing structure changed significantly in late 2025. They no longer offer small 1-3 GB plans. Current options for most countries follow two tiers:

Unlimited plans: Starting at ~$8.40/day, with significant discounts for longer periods. A 7-day unlimited plan in Japan costs $27.60 (~$3.95/day), and 30-day costs $66 (~$2.21/day).

Prepaid plans: Large data packages only — 10 GB, 20 GB, 30 GB with 30-day validity. In Japan, 10 GB costs $20.40, 20 GB costs $31.20.

Price shift: Yesim is no longer the cheapest option for light users. If you need 1-5 GB, Saily ($3.49–$12.99) or Airalo ($4.50–$11.50) will save you money. Yesim now targets the 10+ GB and unlimited segments.

Coverage & Performance

Yesim partners with 800+ operators across 200+ destinations. The SwitchLess Networks feature automatically picks the strongest available signal, which theoretically means better coverage than providers locked to a single carrier. In practice, users report stable connections in urban areas and acceptable performance in most tourist areas.

Speed tests from reviews show typical 4G speeds of 15–40 Mbps — adequate for navigation, streaming, and video calls. 5G is available in some markets where partner networks support it.

Pros

  • Unlimited data plans available in most popular destinations
  • Built-in VPN for privacy on public Wi-Fi (iOS)
  • SwitchLess Networks — automatic best-network selection
  • Full hotspot support on all plans
  • Swiss company with strong privacy standards
  • One eSIM works across all 200+ destinations

Cons

  • No more cheap small data plans (1-3 GB)
  • Unlimited plans have undisclosed fair usage cap
  • VPN only available on iOS, not Android
  • Smaller user base than Airalo — fewer reviews
  • Per-day pricing on unlimited can add up quickly
  • Some users report throttling after ~70 GB/month

Tips for using Yesim

Go for longer plans. Yesim's per-day price drops dramatically with duration: a 30-day unlimited plan costs ~$2.21/day vs $8.40/day for a single day. Always buy the longest plan that covers your trip.

Consider prepaid for moderate use. If you'll use 10-20 GB in a month, the prepaid plans offer better value than unlimited — you avoid the fair usage throttling risk.

Pro tip: Use the promo code "Backpacker" for a €3 bonus on any package. Yesim also has a referral program giving both parties €5.

Where to use Yesim

We've compared Yesim against other providers for these destinations:

JapanTurkeyThailandEuropeUSASouth KoreaBaliEgyptGeorgiaGreece

Frequently asked questions about Yesim

Yes. Yesim is a Swiss-based eSIM provider founded in 2019 with a 4.3 rating on Trustpilot from 1,900+ reviews. They partner with 800+ operators worldwide.
Yes. Yesim offers unlimited daily plans in popular destinations like Japan, Thailand, Turkey, and most of Europe. Plans start from around $8/day depending on the country.
Yes. Yesim includes a built-in VPN feature for iOS users, which is useful for securing connections on public Wi-Fi networks while traveling.
Yes. Yesim allows hotspot sharing on all plans. You can tether your laptop or other devices using your phone's data connection.
Yesim focuses on unlimited and large data plans, while Airalo offers more granular small plans (1-5 GB). Airalo is cheaper for light users; Yesim may suit heavy data users who prefer unlimited options.