Apps Like Notebook Calculator for iPhone and iPad
Notebook Calculator screenshots
Ranked alternatives
Showing 101–120 of 1,000 ranked alternatives.


Statistics Calculator++
Behzad Dogahe
Calculate stats with Add X, Add Y,
Calculator++ allows users to input data via "Add X," "Add Y," and "Add Z" buttons. It calculates sum, mean, standard deviation, quartiles, and more. Results are displayed in a table. Box and whisker plots and histograms visualize data.


Tuner+
Nick Culbertson
Tune instruments with real audio notes
Tuner+ provides reference pitches for tuning instruments like guitar, bass, banjo, mandolin, cello, violin, piano, viola, and ukulele. It offers real audio and sine wave tones. Supports VoiceOver accessibility for users with visual impairments.

Speaker Box Lite
Alexey Abdulin
Design speaker enclosures without math.
The app calculates subwoofer and speaker enclosures, offering designs for sealed, ported, bandpass, passive radiator, and transmission line types. It provides 3D visualizations, auto-generated blueprints, and cut sheets for building.

Audio / Spectrum Analyzer
Loop-Sessions.LLC.
Analyze and display waveform
Real-time analysis displays waveform and amplitude simultaneously. Users can switch between portrait and landscape modes. Options to configure waveform and display. Adjustable FFT size and window function for precise frequency analysis.


Standard Deviation Calculator
Keely Hill
Calculate statistical values for data sets.
The app calculates standard deviation, mean, variance, population deviation, median, and Q1 & Q3 for a set of values. It also computes z-scores based on the entered data.


Multiple Tone Generator
Loop-Sessions.LLC.
Udio signals with 6 channels
Udio signals for up to 16 channels. Choose from four wave types: sine, triangle, square, and saw. Adjust volume per channel. View and summarize waveform settings at the bottom of the screen.

Panecal Plus Sci. Calculator
Noriyasu Kutsuzawa
Edit formulas with cursor and swipe.
The app allows users to enter and modify formulas while checking them, preventing errors. It provides a history of formulas and answers, supporting various number systems and memory functions for calculations.

15C Scientific Calculator
Vicinno Soft LLC
Calculate with precise RPN math
Emulates HP 15C RPN functionality with precise mathematical calculations. Users can solve equations, perform numerical integration, handle complex numbers, and execute matrix operations. It supports root finding and hyperbolic functions.



Watch Tracker
Tom Kerrigan
Sync time with time
Synchronizes with an atomic clock to compare time with real time. Users tap a button when their matches the 's time. The records differences, displays graphs, and calculates seconds gained or lost per day using -fit analysis.

Numerari Scientific Calculator
KnowledgeDoor LLC
Solve complex science and math problems.
The app offers comprehensive unit calculations and complex number support. It includes powerful graphing capabilities and a wide range of functions for scientific and mathematical problem-solving.

Statistics Calculator+++
Behzad Dogahe
Calculate statistical values and test hypotheses
Calculator+++ allows users to input data via Add X, Add Y, and Add f buttons. Perform statistical analysis, regression, probability distributions, confidence intervals, and hypothesis tests. View results directly without needing a manual.

Tone Generator EX
An-Che Lee
Generate tones with precise frequency
Udio tones with customizable frequency settings from 15Hz to 22KHz. Choose between sine, square, sawtooth, and triangle waveforms. Create and save custom presets. Control playback from notification drawer, lock screen, or headset buttons.

Probability-Distributions
Matthew Bognar
Calculate probabilities, plot distributions, and find percentiles
Calculate probabilities and percentiles for normal, t, chi-square, F, exponential, gamma, beta, log-normal, Pareto, and Weibull distributions. Plot density functions for these distributions.

Altimeter+
Sichtwerk AG
Measure altitude with GPS and barometer
Calculate altitude using GPS, ASTER, or barometer (iPhone 6 and later). Display average altitude from GPS and ASTER data. Show peaks, compass, and distance grid on an integrated map. Support Apple Watch. Choose unit of measurement.
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