LittlePlotter turns a handful of number pairs into a clean, shareable trend-line chart — without opening a spreadsheet.
For support, bug reports, or feedback, contact: littleplot_support@icloud.com
Enter your X and Y values, swipe through eight curve types to find the fit that best tells your story, and export a clean high-resolution chart to your Photos or share it directly.
Tap the Edit Data button in the bottom-right corner of the screen. A sheet slides up with a table where you can enter X and Y values. The chart updates live as you type.
Swipe left or right to cycle through curve types within a family. Swipe up or down to switch between families (exact, polynomial, and alternative fits).
Tap the download button in the top-right corner to save the chart to your Photos. Press and hold the button for more options: Share (AirDrop, Messages, and more) or Copy to clipboard.
Some curve types have requirements. Logarithmic and power-law fits require all X values to be positive. Exponential fit requires all Y values to be positive. All fits require at least 2 data points (some require more). The chart will explain the specific reason.
Yes. Your data points and current chart selection are saved automatically and restored the next time you open the app.
No personal data is collected. All data is stored locally on your device. See the Privacy Policy for details.
Please include your iPhone model, iOS version, which curve type you were using, what happened, and steps to reproduce the issue. Screenshots are also helpful.
LittlePlotter requires iOS 26 or later on iPhone.
Last updated: April 2026