Using Grab in Singapore with an Indian Phone Number

Yes, you can absolutely use Grab in Singapore with your existing Indian phone number. There is no requirement to change your registered mobile number or purchase a local Singaporean SIM card to access rides, food delivery, or courier services while visiting the Lion City.

For Indian travelers, whether you are visiting the Shoppes at Marina Bay Sands or heading to a business meeting in the Central Business District, having Grab ready on your phone is essential. However, the biggest hurdle isn't the app itself—it is the data connection. Relying on expensive international roaming packs from Indian carriers like Jio or Airtel can quickly drain your budget. The smarter way to stay connected is by using a travel eSIM from YatraSim for local data while keeping your primary Indian SIM active in the background to receive critical SMS notifications.

Why You Don't Need a Local Number for Grab

Grab is the primary "super-app" in Southeast Asia, and its registration system is designed to be traveler-friendly. If you already have the Grab app installed and verified with your Indian (+91) number, it will work seamlessly as soon as you land at Changi Airport.

The Verification Process

When you open Grab in Singapore, the app uses your phone's GPS to detect your location and switches the interface to the Singaporean version. Since your account is already verified, you won't need to receive a new OTP unless you are logging in from a completely new device. If you do need to log in, having your Indian SIM active (with international roaming enabled but data roaming disabled) allows you to receive that verification SMS for free without paying for a full roaming data pack.

Communicating with Drivers

You might worry about how a Singaporean driver will contact you if you have an Indian number. Grab has solved this through its in-app chat and VoIP calling feature. As long as you have a stable data connection through see plans, you can message the driver or call them directly through the app. These calls use data rather than cellular minutes, meaning your Indian number remains hidden and you incur no international calling charges.

The Connectivity Strategy: eSIM vs. Traditional Roaming

Many Indian tourists make the mistake of buying a local physical SIM card at Changi Airport or activating a high-cost roaming pack from their home provider. Here is why the YatraSim approach is superior for the modern traveler.

The High Cost of Home Carrier Roaming

Indian carriers often charge premium prices for international roaming. While these packs offer convenience, they often come with daily data caps or throttled speeds after a certain limit. More importantly, using your Indian SIM for data puts you at risk of accidental "pay-as-you-go" charges if your pack expires or doesn't cover specific network partners.

The Physical SIM Inconvenience

Buying a local Singaporean SIM requires you to remove your Indian SIM card. This is a significant problem because you lose access to your Indian number. For an Indian traveler, this means no UPI authentication, no Netbanking OTPs, and no WhatsApp verification if the app glitches. If you are trying to manage your finances while abroad, receiving SBI Netbanking OTPs in Toronto, Canada or Singapore is only possible if your Indian SIM stays in your phone.

The YatraSim Advantage

By using a travel eSIM, you utilize the Dual SIM functionality of your modern smartphone. You can check phone compatibility to see if your device supports this. Your Indian SIM stays in its slot (or as an eSIM) to catch incoming SMS, while your YatraSim provides high-speed local data for Grab, Google Maps, and Instagram.

Feature	Jio/Airtel Roaming	Local Physical SIM	YatraSim eSIM
Cost	High	Moderate	Economical
Keep Indian Number	Yes	No	Yes
OTP Access	Yes	No	Yes
Convenience	Automatic	Low (requires queueing)	High (instant download)
Data Speed	Variable	High	High (5G/4G)

Singapore Network Coverage and Performance

Singapore has some of the best mobile infrastructure in the world. When you use a YatraSim for your trip, you aren't just getting generic data; you are connecting to the island's top-tier telcos.

Partner Networks

Our plans connect you to premium networks including:

• M1 (5G): Known for excellent urban coverage and high-speed 5G integration.
• SingTel (5G): The largest telco in Singapore with the most robust underground coverage (essential for the MRT).
• Starhub (4G): A reliable alternative with great speeds across the island.

Whether you are exploring the heights of the Supertree Grove or the basement levels of a mall in Orchard Road, you will have the signal strength needed to book a Grab. If you ever face connection issues on an iPhone, you can refer to our guide on fixing PDP authentication failure on iPhone eSIM to get back online quickly.

Choosing the Right Data Plan for Your Trip

How much data do you actually need for Grab and general travel in Singapore? It depends on your length of stay and your usage habits.

Fixed Data Plans

For those who prefer a set amount of data for the whole trip, we offer several tiers:

• 1GB to 5GB: Perfect for short weekend getaways or business trips where you mostly use hotel Wi-Fi and only need data for Grab and Maps.
• 10GB to 50GB: Ideal for power users, families sharing a hotspot, or students staying for a month.

Daily Passes

If you are a heavy user who doesn't want to worry about running out, daily passes are a great option. We offer daily limits ranging from 1GB to 10GB per day. Once you hit the high-speed limit, the data continues at a reduced speed, ensuring you are never truly disconnected and can still send a WhatsApp message or book a ride.

You can see plans to find the specific duration and data volume that fits your itinerary.

Step-by-Step: Setting Up Your eSIM for Singapore

Getting started is simple and can be done before you even leave India. This ensures that the moment your plane touches down at Changi, you have data to book your Grab to the hotel.

For iPhone Users

1. Go to Settings > Cellular.
2. Tap Add eSIM or Add Cellular Plan.
3. Scan the QR code provided by YatraSim.
4. Label the new plan as "Travel" or "Singapore".
5. Set your Indian SIM as the Default Voice Line (to keep receiving those OTPs).
6. Set the YatraSim as the Cellular Data line.
7. Ensure Data Roaming is turned ON for the YatraSim profile.

For Android Users

1. Go to Settings > Network & Internet > SIMs.
2. Tap Add More or Download a SIM instead.
3. Scan the QR code.
4. In your SIM manager, ensure the YatraSim is selected for Mobile Data.
5. Turn on Data Roaming for the YatraSim.

For a more detailed walkthrough, you can follow our guide on how to install and activate your eSIM.

Practical Tips for Using Grab in Singapore

• GrabPay with Indian Cards: You can link your Indian credit or debit card to GrabPay. Ensure your card is enabled for international transactions via your bank's app. If the transaction fails, Grab also accepts cash (SGD) for most rides.
• GrabFood: If you are staying at an Airbnb or just tired after a long day of sightseeing, use your data to order from local hawker centers via GrabFood. It is often cheaper than hotel dining.
• Multi-Stop Rides: If you are traveling with a group, you can add up to three stops in a single Grab booking, which is great for dropping friends off at different hotels.
• Check the Fare: Grab fares in Singapore are dynamic. If the price looks high due to rain or peak hours, wait 5-10 minutes; the price often drops significantly once the surge passes.

The bottom line

Using Grab in Singapore with your Indian number is the most efficient way to navigate the city. By pairing your existing account with a YatraSim eSIM, you bypass the high costs of international roaming while maintaining the ability to receive essential OTPs on your Indian SIM. It is the perfect balance of local convenience and home-country connectivity for the savvy Indian traveler.