About this app
Decimal Rounding helps students learn and practice rounding decimal numbers step by step. Students can solve randomly generated problems or enter their own decimal numbers. Decimals can be rounded to the nearest whole number, tenth, hundredth, or thousandth. They can also be rounded to 0, 1, 2, or 3 decimal places. The app guides students through each problem one step at a time. There are no penalties for wrong answers, no timers, and no pressure. The clean interface helps create a calm learning environment. Features: - Decimal numbers can have 2–8 digits - Randomly generated or manually entered problems - Round to the nearest whole number, tenth, hundredth, or thousandth - Round to 0, 1, 2, or 3 decimal places - Customizable interface colors - Adjustable animation speed - Different interfaces for iPhone and iPad - Portrait and landscape orientation on iPad Other iDevBooks Math Apps: Other iDevBooks math apps include Column Subtraction, Column Addition, Long Division, Long Multiplication, Lattice Multiplication, Visual Multiplication Table, Fraction Math, Partial Differences Subtraction, Partial Quotients Division, Partial Sums Addition, and more. Feedback: New ideas to make this app better are welcome. Please visit idevbooks.com to give feedback. Privacy: This app has no ads, no in-app purchases, and does not transmit user data during operation. The app also does not contain links to other apps or to the web.
Latest release
What’s New
Updated for iOS 26 compatibility.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 23, 2026 · 11:13 PM $3.99
Screenshots
