Yesim Review: Features, Pricing & Coverage

Yesim is a Swiss-based eSIM provider from Genesis Group AG, focused on multi-country data connectivity with a built-in VPN and pay-as-you-go flexibility.

200+

Countries

4G / 5G

Network

1 day

Min Plan

30 days

Expiration

Calls

SMS

Quick Verdict: Is Yesim Worth It?

Yesim earns a strong recommendation for frequent multi-country travelers, business users, and anyone who values privacy extras alongside mobile data. Its unique combination of a global single-eSIM approach, free VPN, virtual phone numbers, and Pay & Fly billing creates a package no single competitor fully matches. Choose Yesim if you regularly cross borders, need virtual numbers for verification, or want VPN protection built into your connectivity. Look elsewhere if you need the cheapest possible plan for a brief single-country trip (try Airalo or Nomad) or require heavy unlimited streaming without throttling (try Holafly).

What Is Yesim and How Does It Work?

Yesim is a travel eSIM provider operated by Genesis Group AG, a Swiss telecommunications company headquartered in Zug, Switzerland. Founded in 2019, it delivers data only connectivity across 200+ destinations through partnerships with over 800 mobile operators. Yesim offers prepaid local, regional, and global plans alongside unlimited options and a pay-as-you-go model called Pay & Fly. Its built-in free VPN on iOS and purchasable virtual phone numbers for SMS verification set it apart from most competitors in the travel eSIM market.

Who Should Use Yesim?

Multi-Country Travelers

One International eSIM covers 140+ countries swapping plans at each new border crossing.

Privacy-Conscious Travelers

Built-in VPN and Swiss data jurisdiction provide genuine security on public Wi-Fi networks abroad.

Business Travelers

Virtual phone numbers and corporate management tools support professional needs beyond basic data access.

Flexible-Itinerary Travelers

Pay & Fly charges only for data used with no fixed expiration, fitting unpredictable travel schedules perfectly.

Budget Short-Trip Users

Small 1 GB plans cost less on Airalo, making it the better choice for brief, single-country trips.

Heavy Data Streamers

Unlimited plans throttle after fair usage limits; Holafly offers more generous unlimited data for video streaming.

Yesim Pricing and Plan Types

Yesim offers local single-country plans, regional bundles, global packages, unlimited options, and a pay-as-you-go model called Pay & Fly. Durations start at one day, with weekly, biweekly, and monthly options also available. Validity begins at purchase, though deferred activation lets users delay the start by up to 12 months. Pricing sits in the mid-range tier overall. The best value comes from Ycoins cashback rewards, which return 5% on every purchase, and Pay & Fly’s per-megabyte billing for light or variable usage.

Countries, Coverage, and Network Support

Yesim covers 200+ destinations through 800+ partner operators, delivering 4G connectivity as standard and 5G where local carriers support it. Its proprietary SwitchLess technology automatically connects users to the strongest available network. Service quality is strongest across Europe and Southeast Asia, with reliable speeds in urban centers and occasionally reduced performance in remote or rural areas of developing regions.

200+ destinations covered

Local, regional, and global plans span across over 200 countries and territories.

4G standard, 5G expanding

5G is available in supported markets like the US and Western
Europe; 4G is the baseline elsewhere.

Urban coverage strongest

City speeds are consistently reliable; rural and remote area
performance varies by region.

Regional and global options

Ten regional bundles plus six global packages simplify
connectivity for multi-country itineraries.

How to Install and Activate Yesim

How to install on iPhone

Open the Yesim app and tap Install eSIM, or go to Settings > Cellular > Add Cellular Plan and scan the QR code. Label the profile “Yesim” and enable data roaming. Works on iPhone XR/XS or late

How to install on Android

In the Yesim app tap Install Yesim Now, or on your device go to Settings > Connections > SIM card manager, tap Add mobile plan, then Add using QR code. Label the plan and set Yesim as your mobile‑data line; compatible with Pixel 3 and Samsung Galaxy S20 series or newer

When to activate

Install the eSIM profile before your trip but activate the plan only when you reach the destination. Plans can be purchased in advance and activated within twelve months; activation typically takes 5–10 minutes

Use dual SIM

Keep your physical SIM for calls and texts. After installing Yesim, go to Mobile Data settings, turn on the Yesim line, enable Data Roaming, and select Yesim as your main data line. Do not choose “Remove Data Plan,” as it deletes the eSIM profile.

Top‑ups & extra data

One Yesim eSIM profile is reused for all purchases. Buy additional data or Pay & Fly credit directly in the app; no new QR code or reinstall is needed. The app warns you at around 70 % usage, and top‑ups are applied instantly

Support & help

Yesim offers 24/7 customer support. Reach agents via the in‑app live chat or by emailing support@yesim.app ; average response time is about six minutes, and you can attach screenshots for faster troubleshooting

Yesim Features Explained

Built-in free VPN

Every Yesim plan includes a complimentary VPN on iOS using IPsec encryption to protect browsing on public Wi-Fi and bypass geo-restrictions. No competing travel eSIM provider bundles VPN access at no additional cost.

Virtual phone numbers

Yesim sells virtual numbers for the US, Canada, UK, Netherlands, Israel, and Ukraine starting at roughly $3 per month. These numbers receive inbound SMS only, designed for two-factor authentication and app verification without exposing your personal number. No other major travel eSIM provider offers this service as an integrated product.

Pay & Fly pay-as-you-go

A single eSIM that works across 170+ countries with per-megabyte billing drawn from a prepaid Ycoins wallet. There is no fixed plan duration or forced expiration; the wallet balance remains valid for 12 months. This model is ideal for travelers with unpredictable schedules who want a permanent eSIM they never have to replace.

SwitchLess network technology

Yesim's proprietary system automatically switches between 800+ partner operators to find the strongest signal in your current location, including seamless upgrades from 4G to 5G when available. This happens without user intervention, even when crossing international borders mid-trip

Ycoins loyalty ecosystem

An internal currency system offering 5% automatic cashback on every purchase, referral bonuses of five euros for both referrer and friend, and a unified wallet across all Yesim products including data plans and virtual numbers. Combined with cryptocurrency payment acceptance through Binance Pay, it creates one of the most flexible payment systems in the eSIM market.

All Features at a Glance

Feature	Status
eSIM compatible	✓ Yes
iPhone compatible	Yes (iPhone XR and later, iOS 15.6+)
Android compatible	Yes (Samsung S20+, Pixel 3+, and other eSIM devices)
Data only	✓ Yes
Calls included	✗ No
SMS included	✗ No
Local number	Partial (virtual numbers available as paid add-on for US, UK, Canada, Netherlands, Israel, Ukraine)
Unlimited data plans	✓ Yes (subject to fair usage policy)
Subscription/auto-renew	Partial (Ycoins auto top-up available; no automatic plan renewal)
Reusable eSIM	✗ No (single device, single install per QR code)
Multi-device support	✗ No (one device per eSIM profile; hotspot sharing available)
Hotspot/tethering	✓ Yes (all plans, no extra cost)
Global plans	✓ Yes (6 packages covering 140+ countries)
Regional plans	✓ Yes (10 regional bundles)
Local/country plans	✓ Yes (200+ single-country destinations)
Activation on arrival	✓ Yes (deferred activation available for up to 12 months)
Top-up available	✓ Yes (in-app purchase; Ycoins wallet for Pay & Fly)
App available	✓ Yes
iOS app	✓ Yes (rated 4.6 stars on App Store)
Android app	✓ Yes (rated 4.4+ stars on Google Play)
Privacy-focused / no-log policy	✓ Yes (Swiss jurisdiction; VPN with disabled traffic data analysis)

Does Yesim Support Calls, SMS, and Local Numbers?

Yesim does not include native voice calls or SMS with any of its eSIM data plans. All connectivity is data-only, and Yesim recommends using VoIP apps such as WhatsApp, Viber, or Telegram for voice and messaging over data. As a partial workaround, Yesim sells virtual phone numbers that can receive inbound SMS for verification purposes, but these do not support outgoing calls or messages. Travelers who need native cellular calls and SMS should consider Airalo’s Discover+ global plans, which include talk time and texting alongside data. Ubigi and select local carrier eSIMs also offer voice and SMS bundles as integrated options

Yesim Pros and Cons

What Yesim does well

1. Free built-in VPN on iOS included with every plan, a feature no major eSIM competitor currently offers at no extra cost.
2. Pay & Fly pay-as-you-go model bills per megabyte across 170+ countries with no fixed time expiration on the plan itself.
3. Single International eSIM works across 140+ countries, eliminating the need to purchase and manage separate plans per destination.
4. Virtual phone numbers for receiving SMS verification codes are available as a paid add-on, unique among mainstream travel eSIM providers.
5. Hotspot and tethering are enabled on all plans at no extra charge, including unlimited data options.
6. Ycoins loyalty program returns 5% cashback on every purchase, with referral bonuses and a wallet system that compounds savings for repeat travelers.

Where Yesim falls short

1. All plans are strictly data-only with no native voice calls or SMS, requiring users to rely on VoIP apps like WhatsApp or Viber for communication.
2. Unlimited plan fair usage policies are vague, with throttle thresholds poorly documented and users reporting speed reductions to 512 kbps after undisclosed limits.
3. The free VPN works only on iOS, excluding all Android users despite Yesim broadly marketing VPN as a product feature without clear disclaimers.
4. Trustpilot flagged Yesim for guideline violations and removed fake reviews, raising legitimate questions about the authenticity of its online reputation scores.

The biggest tradeoffs: Yesim is built for the multi-country traveler who values flexibility, privacy, and a feature-rich app over the lowest possible price per gigabyte. Its unique combination of a single global eSIM, free VPN, virtual phone numbers, and Pay & Fly billing creates a toolkit that competitors like Airalo and Holafly do not replicate. However, it is not the right pick for everyone. Budget travelers visiting one country for a few days will find cheaper 1 GB plans on Airalo or Nomad.

Yesim vs Competitors

Yesim vs Airalo

Yesim’s single International eSIM covering 140+ countries is more convenient than Airalo’s percountry model for multi-destination trips, and its free VPN has no Airalo equivalent.

Yesim vs Holafly

Yesim costs 40 to 55% less than Holafly for moderate data needs and adds VPN plus virtual numbers. Holafly wins on truly unlimited data for streamers and remote workers, larger user base with 10+ million customers, and a simpler purchase flow that requires no
account creation.

Yesim vs Nomad

Yesim’s single-eSIM approach and added features outperform Nomad for multi-destinationtravel. Nomad wins on budget single-country plans, a free 1 GB trial in 49 destinations, and Global-EX plans offering up to 365 days of validity.