Both online and offline POS systems have their own advantages and disadvantages, and which one is better for your business depends on your specific needs and circumstances.
Online POS systems require an internet connection to process transactions and are typically cloud-based. This means that you can access your sales data and inventory from anywhere with an internet connection, which can be convenient for businesses with multiple locations or those that require remote access. Online POS systems also often come with additional features such as real-time inventory tracking, customer relationship management tools, and analytics. However, if your internet connection goes down, you won't be able to process transactions.
On the other hand, offline POS systems don't require an internet connection to process transactions and can still store data locally, making them a good option for businesses in areas with unreliable internet or for those that prioritize data privacy. However, offline systems may not offer as many features as online systems and may require manual data entry or syncing with other systems for inventory management and reporting.
Ultimately, the decision between online and offline POS systems will depend on your business's specific needs and priorities, as well as your budget and technical expertise.