A $100 loan without a credit check is a short-term option providing immediate access to funds, typically for unexpected expenses like car repairs or medical bills between paychecks. Beneficial for those with poor credit, these loans are available through online lenders, payday loan companies, or credit unions. However, they often carry high-interest rates and fees, necessitating repayment within a brief timeframe of two to four weeks. While convenient for urgent needs, borrowers should carefully weigh the costs and explore alternative options before choosing these instant loan apps.