In past days, we used notebooks slips and receipts to keep our account but it was not that much safe. Now in modern times these requirements can be satisfied using an app. Ledger app keeps our accounts safely at our fingertips.
Each and everyone's account can keep distinguishing and can manage easily. It is 100% safe and secure. It stores data in the phone's local memory and backups automatically. We can keep our account safe by giving a strong password.