Pros:

• Global Reach: Covers over 200 countries with flexible data plans, including local, regional, and global options.
• Privacy & Security: Includes features like ad blocking, web protection, and virtual location routing for safer browsing.
• Instant Activation: Plans activate automatically upon arrival or within 30 days of purchase, no manual setup needed.

• Data-Only Service: No support for voice calls or SMS, communication must rely on apps like WhatsApp or Signal.
• Short-Term Plans: Most plans are valid for 7 to 30 days, which may not suit long-term travellers.
• Unused Data Wiped: Any leftover data is erased after the plan expires, with no rollover or refund.

If you're planning a trip or juggling multiple destinations, Saily might be a sleek solution. 

• Extensive Global Coverage: Offers plans in 190+ countries, with regional and global options for seamless travel.
• Unique Connectivity Options: Includes inflight, offshore, and cruise-specific plans, rare among eSIM providers.
• Free Trial Data: New users get 100MB of free data to test the service without needing a credit card.

• Data-Only Service: No support for voice calls or SMS, which may limit communication options.
• Occasional Speed Issues: Some users report inconsistent signal strength or slower speeds in certain regions.
• Higher Top-Up Costs: Compared to competitors, topping up data can be more expensive.

If you're a frequent traveller or cruise-goer looking for flexible, global data coverage, GigSky is a strong contender. 

• Instant Activation: No need to visit a store or wait for delivery, just scan a QR code and you're connected.
• Global Coverage: Offers data plans that work across multiple countries, making it ideal for international roaming.
• No Physical SIM Needed: Reduces hassle and waste by eliminating the need for plastic SIM cards.

• Device Compatibility: Only works with eSIM-enabled devices, which may exclude older phones.
• Limited Voice/SMS Options: Focuses primarily on data plans, so traditional calling and texting may not be supported.
• Customer Support Variability: As a niche provider, support options may be more limited compared to major telecoms.

• Global Coverage: Offers data plans in 200+ countries and regions, ideal for international travel
• Easy Setup: Simple activation via QR code or manual entry; no need to remove your physical SIM.
• Hotspot Support: Allows mobile hotspot usage, making it convenient for sharing data across devices.

• No Unlimited Data: Only capped data plans are available, which may not suit heavy users.
• Limited Call/Text Support: Phone calls and texts require extra steps or separate services.
• No Global Plans: Only country-specific or regional packages, no single plan covers multiple continents.

If you're planning a trip and want to avoid roaming charges, aloSIM could be a solid option—just keep those limitations in mind. 

• Wide Coverage: Offers data plans in 190+ countries, including regional and global packages—ideal for multi-country travel.
• Affordable Pricing: Competitive rates, especially in Europe, with plans starting as low as $1.99 for 1 GB.
• Flexible Validity & Top-Ups: Plans range from 7 to 30 days, and users can top up without reinstalling the eSIM

• No Unlimited Data: Even in regions where competitors offer unlimited plans, Monty does not currently support them.
• Inconsistent Regional Value: Pricing in some areas (e.g., the Balkans) is less cost-effective compared to others.
• Data-Only Service: Focuses on mobile data; voice and SMS services are not included, which may limit communication options.

If you're looking for a budget-friendly eSIM with broad coverage and simple setup, Monty Mobile is worth considering. 

• Wide Global Coverage: Works in over 150 countries, with regional and global plans tailored for travel.
• Easy Activation: Quick setup via app or web, just scan and go.
• Member Rewards: Offers non-expiring credits and referral bonuses, making it budget-friendly for repeat users.

• Limited SMS Functionality: Global plans only allow receiving texts—not sending them.
• Pre-set Packages Only: Users can’t customize data amounts or duration to fit specific needs.
• Speed Throttling: Unlimited plans slow down significantly after 300MB/day, dropping to 48 KB/s.

If you're planning a trip or juggling multiple destinations, RedteaGO offers solid value, but it’s worth checking if its plan structure fits your usage style.

• Lifetime Data Validity: Purchased data never expires, making it ideal for infrequent travellers or long-term planners.
• Multi-Network Access: Users can switch between local networks for better coverage and speed via the Keepgo app.
• Global Reach: Available in 120+ countries, with regional bundles for Europe, Asia, and beyond.

• Data-Only Service: No support for voice calls or SMS, which may limit communication options.
• No Phone Number: Users don’t receive a local number, which can complicate identity verification or emergency contact.
• Limited Plan Options: Only offers fixed bundles (1GB, 3GB, 10GB), with no custom data plans.

If you're looking for a long-term, no-expiry data solution with global flexibility, Keepgo is a strong contender. 

• Extensive Global Coverage: Works in 200+ countries with reliable connections sourced from 400+ networks like Vodafone, AT&T, and Orange.
• Flexible Plans: Offers everything from short-term data packages to unlimited options, with auto-renewal and top-up features.
• Easy Activation & Refund Policy: Setup takes minutes via QR code, and users get a full refund if the eSIM fails to activate.

• No Dedicated App: All management is done through a web interface, which may be less convenient for mobile users.
• Data-Only Service: No support for voice calls or SMS, which may limit communication options.
• Speed Throttling on Unlimited Plans: Unlimited data plans may reduce speeds after a daily threshold is reached.

If you're planning a multi-country trip or need reliable data abroad, Maya Mobile is a strong contender.