Iskon.Jumbo is a file transfer, storage, and sharing service operated by Hrvatski Telekom d.d. for both Iskon users and general users. It is best understood as a combination of “large-file email + lightweight cloud drive”: when an email attachment is too large, you can send files via Jumbo Mail; if you need longer-term storage and sharing, you can use Jumbo Box Free or higher-capacity Box plans.
Jumbo Mail focuses on registration-free large-file sending. It supports individual files up to 700MB, keeps uploaded files on the server for 10 days, and allows up to 10 downloads. Jumbo Box Free provides a file storage and management interface, allowing users to store multiple files and share them via shared folders. For non-Jumbo users, it can send email notifications containing download links. The terms also mention that Box and Power Box support larger storage capacity and larger single-file uploads. In terms of collaboration, the visible features are currently shared folders and email link distribution; there is no disclosed support for granular permissions, team roles, audit logs, or other enterprise collaboration capabilities.
The product has a clear free tier: Jumbo Mail is free and does not require registration; Jumbo Box Free is also free, with 3GB of storage by default, or 5GB when registering with an @inet.hr email address. The main text states that paid services can be purchased prepaid via credit card and T-Com Payway, and lists specifications such as 100GB total storage for Jumbo Box and 300GB total storage for Power Box. However, no specific prices are provided, making it difficult to fully assess the value of the paid plans.
The service is deployed as a cloud-based web service. Third-party capabilities include Facebook and Twitter login, as well as T-Com Payway payments. The site provides cookie controls, privacy protection information, and terms of service. The terms mention antivirus protection and backups, but the crawled content does not elaborate on encryption, compliance certifications, data residency, or enterprise security policies. No information was found regarding API or developer support.
Its advantages are simplicity, a low barrier to using the free tier, and the ability to send 700MB files without registration. Box Free is also sufficient for basic file storage and external sharing. The downsides are the small free storage allowance, Jumbo Mail’s retention and download-count limits, and the lack of information on enterprise-grade permissions, security, APIs, and SLA. It is suitable for individuals who need temporary file transfers, Iskon users, and small teams that only need basic file sharing. If you need cross-border collaboration, permission governance, or automated integrations, Dropbox, OneDrive, Google Drive, WeTransfer, or China-based alternatives such as Baidu Netdisk, Alibaba Cloud Drive, and CowTransfer may be more suitable.
The main text does not provide information about access from mainland China, network connectivity, or local payment support. Actual usability needs to be tested, so the current assessment is unknown.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on jumbomail.hr official site.
jumbomail.hr is an Croatia SaaS Tools provider. TG4G tracks its product information, an overall rating of 6.0/10, and a China-accessibility score of Workable. Click "Visit Official Site" to reach jumbomail.hr directly.