Compare Mobile SIM Plans in Singapore

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49 live offers compared from 11 providers, from S$2 /month. Updated daily.

What are mobile SIMs in Singapore?

Mobile SIM plans provide voice, text and mobile data on Singapore's networks, sold as postpaid contracts, no-contract SIM-only plans or prepaid cards. Singapore has one of the world's highest smartphone-penetration rates and a fiercely competitive market where lean digital brands, known as MVNOs, ride on the major networks to offer generous data at low prices. SIM-only and eSIM options dominate for value-focused users, while postpaid plans bundle handsets and premium perks.

How the Singapore market works

Three mobile network operators own the infrastructure, and a wave of digital sub-brands and independent MVNOs lease capacity to sell their own plans. This has driven prices down and data allowances up, with plans often marketed on large or unlimited data buckets, no contracts and app-based sign-up. eSIM provisioning lets customers activate a line instantly without a physical card. Roaming add-ons, data rollover and contract-free flexibility are common differentiators in a crowded field.

Benefits

Large data allowances — Competition has pushed data buckets high, with many affordable plans offering tens of gigabytes or more.

No-contract flexibility — SIM-only plans typically renew monthly, letting you switch providers freely to chase better deals.

Low prices — Digital MVNOs undercut traditional postpaid pricing significantly for data-led users.

Instant eSIM activation — Many providers let you sign up and activate online within minutes.

How to choose

Estimate your monthly data use and pick a plan with a comfortable buffer rather than paying for unused unlimited tiers. Compare the per-gigabyte value, included local minutes and texts, and any roaming allowance if you travel. Check whether the plan is contract-free and whether promotional data reverts to a lower amount after a period. If you want a subsidised handset or premium network features, a postpaid plan from a major telco may suit better than a bare SIM.

Leading providers in Singapore

Options include the network-owning telcos and their digital sub-brands, plus independents such as Circles.Life, CMLink, MyRepublic, Maxx, Zero1, SIMBA and Eight, alongside M1. Digital brands compete aggressively on data-heavy, no-contract plans with app-first service, while the major telcos offer the widest coverage, retail support and handset bundles. Since MVNOs run on the same networks, coverage is broadly similar and the decision often comes down to price, data and features.

What it costs

SIM-only plans are inexpensive, frequently ranging from around S$5 to S$25 a month depending on data, with entry promotions as low as a few dollars and larger or unlimited plans toward S$30 to S$50. Postpaid plans with handset subsidies cost more but spread the phone's price. Watch for promotional data that steps down after an intro period, one-off SIM or registration fees, and roaming charges. No-contract plans avoid early-termination penalties, giving you the freedom to switch as new promotions launch, which they frequently do in this crowded market.

Protections and regulation

Mobile services are regulated by the Infocomm Media Development Authority (IMDA), which licenses operators, manages spectrum and sets consumer-protection standards on contracts, billing transparency and service quality. Number portability lets you keep your number when switching providers. IMDA requires clear disclosure of plan terms and handles complaints frameworks. Consumers who cannot resolve issues with their provider can turn to IMDA's channels or mediation.

Common questions

Is an MVNO as good as a major telco? — Coverage is similar since MVNOs use the same networks; telcos may offer better retail support and premium features.

Can I keep my number? — Yes, number portability lets you transfer your existing number to a new provider.

eSIM or physical SIM? — eSIM activates instantly and suits modern phones; a physical SIM works with any compatible device.

Mobile SIM Plans in Singapore — FAQ