Compare Best 5G SIM-Only Plans in Singapore (2025 Update)

As Singapore’s 5G coverage expands nationwide in 2025, the question isn’t if you should switch—it’s which 5G plan fits you best. From blazing-fast connectivity to smarter AI-powered devices, the latest 5G SIM-only plans offer more than just speed. Whether you’re working remotely, gaming on the go, or streaming in 4K, choosing the right plan can mean smoother experiences, lower lag, and better value every month.

This guide compares the best 5G SIM-only plans in Singapore, including the cheapest, best-value, and high-data options—so you can find the plan that truly matches your digital lifestyle.

Best 5G SIM-Only Plans in Singapore (for high data + perks)

If you’re a heavy user who relies on seamless connectivity for work, streaming, or gaming, you’ll want a plan with generous data, reliable speed, and premium perks. Here’s how the top providers compare in 2025:

Updated November 2025, based on official provider websites.

These are the best 5G SIM-only plans in Singapore for users who need top-tier connectivity. The higher data caps and roaming inclusions make them ideal for professionals, gamers, or anyone who demands consistent 5G performance.

Cheapest 5G SIM-Only Plans (lowest monthly price)

Looking for 5G without the premium price tag? These entry-level options balance affordability with performance—perfect for casual users or those trying 5G for the first time.

Updated November 2025, based on official provider websites.

The cheapest 5G SIM-only plans in Singapore are great for those who mainly use WiFi at home or work but still want the speed and reliability of a 5G network on the go.

Best Value 5G SIM-Only Plans (cost per GB + perks)

For most users, value is about finding that sweet spot between price, data, and flexibility. Here are the top options that deliver the best balance per dollar in 2025.

Updated November 2025, based on official provider websites.

The best value 5G SIM-only plans in Singapore give you substantial data and reliable 5G access without overspending. These options typically include data rollover, international perks, and better call allowances—ideal for balanced, everyday users.

How to Choose the Right 5G SIM-Only Plan

Choosing between 4G LTE and 5G SIM-only plans in Singapore can be confusing. Here’s what to check before you commit:

Check your usage

Think about how you actually use your data. Streamers, remote workers, or mobile gamers will benefit from high-speed 5G plans, while light users can stick with budget-friendly options.

Look for flexibility

A good 5G SIM-only plan should allow you to upgrade, pause, or adjust data easily. Providers like Circles.Life excel here with flexible, no-contract plans that fit evolving lifestyles.

Avoid lock-ins

Skip long-term contracts unless the savings are significant. The best 5G SIM-only plans in Singapore offer freedom to switch when your needs change.

Data rollover

Some 5G plans let you carry unused data into the next month—a valuable perk if your usage fluctuates. Always check if this is included.

Data roaming

If you travel within APAC or globally, choose a plan with built-in roaming or affordable add-ons. The best 5G plan Singapore providers often include a few gigabytes of roaming data monthly.

Compare more than price

Cheaper isn’t always better. Compare speed, reliability, and extra benefits like free talk time or AI features. Over the long run, better network performance often delivers more value.

Circles.Life’s New Game-Changer — CirclesAI Plan

Circles.Life is redefining what a telco plan can do with its CirclesAI Plan—a bold move that blends ultra-fast connectivity with intelligent technology access.

Access to multiple AI models
Get seamless access to paid AI models powered by GPT-5, Perplexity Sonar and Gemini. Suitable for work, study, or creativity - accessible on desktop or on Circles.Life app.

Next-level 5G connectivity
Experience real-time response, and stable speeds whether you’re using AI tools, streaming content, or gaming on the go.

Free data + roaming
Besides access to paid AI models, you can also get extra free 400GB local data + 8G roaming across Asia countries like Malaysia, Thailand, Taiwan, Indonesia, Hong Kong and more.

Affordable & flexible
Enjoy the freedom of a contract-free 5G SIM-only plan that keeps prices competitive while giving you the power of AI integration.

Future-ready experience
CirclesAI Plan bridges the gap between telco and tech—giving users a future-proof experience built for the digital world.

Learn more about CirclesAI plan here. 

Final Thoughts

The best 5G SIM-only plans in Singapore in 2025 deliver more than speed—they bring flexibility, value, and next-generation experiences powered by AI. Whether you’re chasing the cheapest 5G plan Singapore has or want the best value 5G SIM-only plan, Circles.Life offers a future-ready choice that’s built to keep up with how you live, work, and connect.