Compare The Best eSIM Plans and Providers in Singapore

As Singapore’s mobile landscape advances, eSIM technology is becoming the standard for smart connectivity, especially with the rollout of 5G and AI-enhanced tools. Whether you’re a digital nomad, frequent traveler, or everyday data-heavy user, choosing the best eSIM plan in Singapore now means balancing affordability, data speed, and seamless integration with AI-powered mobile experiences.

This updated 2025 guide compares the top eSIM providers and plans in Singapore, including Circles.Life, Singtel, M1, and GOMO. You’ll discover which plans offer the best mix of data, roaming, and innovative extras to match your digital lifestyle.

What Is an eSIM and How Does It Work?

An eSIM (embedded SIM) is a digital version of a SIM card built directly into your smartphone, tablet, or smartwatch. It allows you to activate mobile plans instantly without inserting a physical card.

After purchasing an eSIM plan, your provider sends a QR code or activation link, which downloads your mobile profile over Wi-Fi. Once installed, you can switch networks, manage multiple numbers, or add international data plans in seconds — all from your device’s settings.

This makes eSIMs ideal for users who travel frequently or prefer the flexibility of switching carriers without waiting for a physical SIM card.

What You Need to Know Before Buying an eSIM

Before choosing the best eSIM plan in Singapore, check that you’re fully prepared with the basics below:

• Is your device eSIM compatible?
  Not all smartphones, tablets, or smartwatches support eSIM. Check your device settings or confirm on your manufacturer’s official website.

• Is your device suitable for your chosen eSIM provider?
  Some eSIM providers only support certain brands or OS versions. Ensure compatibility before subscribing.

• Do you have access to an active email account?
  Your eSIM activation QR code or profile download link is usually sent by email.

• Do you have a stable internet connection?
  A reliable Wi-Fi or data connection is required to download and activate your eSIM profile.

• Does your provider require a specific app?
  Many carriers now manage eSIMs through their official apps, which you’ll need to install before activation.

These steps ensure your setup process is smooth, secure, and ready to connect instantly.

Circles.Life eSIM Plans Overview

As a digital-first telco, Circles.Life leads Singapore’s eSIM revolution with AI-enhanced features, generous data allowances, and seamless global roaming. Their 2025 eSIM lineup caters to every kind of user — from heavy streamers to budget-savvy students — with flexible plans starting under $15.

Best Overall eSIM Plans

5G Core – $12/month

• 400GB local data
  Unlimited talktime & SMS

• Free 8GB roaming in 7 countries

• CirclesAI access: GPT-5 + Perplexity Sonar + Gemini 

• Lifestyle perks: Circles Zerofy, cashback bonus

Why it stands out:
The perfect blend of speed, roaming, and intelligence. Great for professionals and creators who rely on mobile AI tools for productivity and content.

Best High-Speed Unlimited Plans

5G Most Unrestricted – $14.50/month

• 650GB local data

• Unlimited talktime & SMS

• Free 12GB roaming in 7 countries

• CirclesAI access: GPT-5 + Perplexity Sonar + Gemini 

• Lifestyle perks: Circles Zerofy, cashback bonus

5G Plus – $16.50/month

• 1TB local data

• Unlimited talktime & SMS

• Free 15GB roaming in 7 countries

• CirclesAI access: GPT-5 + Perplexity Sonar + Gemini 

• Lifestyle perks: Circles Zerofy, cashback bonus

Why they stand out:
Both plans deliver exceptional speed, AI integration, and generous roaming — ideal for remote workers or travelers who demand performance.

Best Pay-as-You-Go Global Plan

5G Borderless Roaming – $30/month

• 100GB roaming data usable across Singapore + 7 countries

• Unlimited incoming & outgoing calls

• CirclesAI access: GPT-5 + Perplexity Sonar + Gemini 

• Lifestyle perks: Circles Zerofy, cashback bonus

Why it stands out:
Designed for global users who move between countries frequently, offering convenience and cross-border consistency without switching SIMs.

Best Flexible Unlimited Plans

4G Core – $10.80/month

• 350GB local data

• Unlimited calls

• Free 1GB roaming in 7 countries

• Lifestyle perks: Circles Zerofy, cashback bonus

4G Lite – $9.90/month

• 200GB local data (first 3 months), then 20GB ongoing

• Unlimited calls

• Lifestyle perks: Circles Zerofy, cashback bonus

Why they stand out:
Reliable options for users who want strong network performance and consistent data at a lower cost.

Best for Affordability

4G Core – $10.80/month

The most budget-friendly eSIM plan with free roaming data and cashback rewards with Circles Zerofy, perfect for students, freelancers, and users who need flexibility without premium pricing.

Best Plan Variety

Circles.Life provides a complete eSIM ecosystem:

• Entry Plans: 4G Lite ($9.90) or 4G Core ($10.80)

• Mid-Tier Plans: 5G Core ($12) or 5G Most Unrestricted ($14.50)

• Premium Plans: 5G Plus ($16.50) and 5G Borderless Roaming ($30)

• AI Access: CirclesAI with GPT-5, Gemini and Perplexity Pro (for 5G plans only)

Each tier caters to different data and lifestyle needs — from light users to digital nomads.

Comparing Other Top eSIM Providers in Singapore

Singtel eSIM

Singtel remains the most recognized provider for extensive 5G coverage. Its eSIM service appeals to those who value dependability and nationwide performance.

Highlights:

• Plans start at $20/month

• Excellent 5G coverage islandwide

• Offers prepaid and postpaid eSIMs

• Limited lifestyle or AI features

Best for: Business users who prioritize coverage and stability.

M1 eSIM

M1 provides strong data-centric eSIM plans with optional 5G add-ons, delivering great value for data-heavy users.

Highlights:

• Add 5G from $10/month

• Free local talktime with select plans

• Compatible with both Android and iOS devices

Best for: Power users who want customizable data packages.

GOMO by Singtel

GOMO targets app-savvy users who want a straightforward, no-contract plan. While affordable, it offers smaller data bundles compared to Circles.Life.

Highlights:

• From $10/month with 50GB data

• Easy management via GOMO app

• Includes international add-ons

Best for: Young users who value simplicity and app-based control.

Airalo and Nomad eSIMs (Travel-Focused)

For travelers or frequent flyers, Airalo and Nomad provide regional and global data eSIMs that activate instantly.

Airalo: 1GB from $4.50 (valid 7 days)
Nomad: 10GB from $20 across Asia
Best for: Short-term trips and tourists needing instant connectivity abroad.

Which eSIM Provider Is Best for You?

Best 5G & 4G eSIM Plans from Circles.Life

Last Updated: November 2025

How to Activate an eSIM in Singapore

1. Choose your plan and provider.
   Decide between Circles.Life, Singtel, M1, or a travel eSIM.

2. Download the provider app.
   Some providers require their official app for installation.

3. Scan your QR code.
   You’ll receive this via email after purchase.

4. Follow setup instructions.
   Complete activation and restart your device.

5. Manage multiple eSIM profiles.
   Switch between plans easily from your phone’s settings.

Why eSIMs Are the Future of Mobile in Singapore

With AI and 5G shaping the next decade of connectivity, eSIMs are at the heart of Singapore’s mobile evolution. They remove physical barriers, reduce waste, and enable faster digital onboarding.

For users, this means instant access to data, roaming, and smart services. For providers, it means delivering adaptable plans that sync with the way people live, work, and travel.

Circles.Life continues to lead the way by merging AI tools with flexible data, making it easier than ever to stay connected — wherever you are.

Conclusion: Smarter Connectivity for 2025 and Beyond

The best eSIM plans in Singapore go beyond basic connectivity — they merge 5G performance with AI-driven convenience. Circles.Life leads this evolution with powerful data bundles, roaming access, and advanced features like GPT-5, Gemini and Perplexity Sonar.

If you’re ready to embrace the future of mobile freedom, explore Circles.Life’s eSIM plans today and experience next-level connectivity that adapts to your lifestyle.