The caller identification application Truecaller is now looking to offer eSIMs for sale.
Truecaller, based in Stockholm, initially launched in 2009 as an application for caller identification and spam blocking. It is now expanding into the realm of travel data by introducing Travel eSIM across 29 markets, allowing users to purchase mobile data for international travel directly through Truecaller.
Although this product could benefit travelers, Truecaller’s history regarding privacy raises potential concerns about its foray into mobile data.
What does Truecaller’s Travel eSIM offer?
The Travel eSIM is a completely digital mobile data service that users can purchase and activate via the Truecaller iPhone app or its web platform. The available plans range from 1GB for 7 days to 20GB for 30 days. As this is primarily a data service, users can continue making calls and sending messages through applications like WhatsApp, FaceTime, and Signal using the same eSIM connection.
Telness Tech manages the telecommunications aspect of this service via its Seamless OS platform. At launch, Truecaller is offering Travel eSIM in 29 markets, which include the U.S., U.K., Australia, Canada, New Zealand, Nigeria, Egypt, South Africa, Indonesia, Malaysia, and parts of Europe. According to the company’s eSIM page, users can expect high-speed data coverage in over 150 countries.
Support for Android devices within the Truecaller app is planned for future implementation; however, compatible Android users can still utilize the service via the web.
Why is Truecaller introducing travel data at this time?
In its Q1 2026 report, Truecaller indicated a 27% decline in net sales to SEK 361.6 million, accompanied by a 34% drop in advertising revenue. The Travel eSIM offers the company an additional product to sell beyond advertisements and subscriptions during a period of strain on its core business. The challenge lies in entering an already saturated market, as competitors like Airalo, Holafly, Nomad, Ubigi, GigSky, and Saily already offer travel eSIM plans. Truecaller’s existing scale provides an advantage, given its app is installed on the devices of over 500 million users.
Notably, India is absent from the initial launch, even though it is Truecaller’s largest market. The company has not clarified the reasoning behind this exclusion, but India has imposed stricter regulations surrounding travel eSIM services, suggesting Truecaller may require additional regulatory approvals before offering the service there.
Additionally, Truecaller’s privacy record must be taken into account. In 2019, it was reported that data associated with nearly 30 million Truecaller users had surfaced for sale on the dark web. This compromised information included phone numbers, names, email addresses, gender, city, mobile carrier details, and in some instances, Facebook IDs and profile pictures. Although Truecaller denied any breach of its own database, these reports might lead potential users to reconsider purchasing mobile data through the app.
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The caller identification application Truecaller is now looking to offer eSIMs for sale.
Truecaller’s Travel eSIM might be useful for international journeys, but the company's track record on privacy may lead some users to hesitate before purchasing mobile data via the app.