Apps include the 2013 Tax Rate Guide, which lists key federal income, gift, and estate tax rates; and COLA Profit-Sharing Plans, which displays pension and profit-sharing plan dollar limitations reflecting cost-of living adjustments as of 2013; both included at no cost.

Available separately at $1.99 each are the Like Kind Exchange Calculator, which determines the realized gain, recognized gain, and basis of the like-kind property received for most like-kind exchanges, including exchanges of real estate or property that is held for business or investment, and the Maximum Required Gain Calculator, which calculates the Maximum Required Distribution for inherited IRAs, Roth IRAs, defined benefit plans, and plans holding longevity annuities.

The Individual Shared Responsibility Calculator estimates the cost of meeting the Affordable Care Act requirements for maintaining minimum essential health insurance coverage. The app helps determine the penalty amount for most scenarios and is available separately at $2.99.

Price: Checkpoint Pocket Assistant, free. Apps as listed. Thomson Reuters: www.thomsonreuters.com Download from the Apple App Store