Best Science Apps for Students

Calculation and Mathematics Apps

Wolfram Alpha ($3 one-time purchase, or free via web browser) is the single most powerful computational tool available as an app. It solves equations symbolically, computes integrals and derivatives, converts units, looks up chemical properties, generates plots, performs statistical calculations, and answers factual science questions with computed results rather than search links. For any student in science or engineering, Wolfram Alpha is essentially a pocket-sized scientific advisor that handles the computational grunt work of problem sets, lab calculations, and quick reference lookups.

Desmos Graphing Calculator (free) provides the best graphing experience of any calculator app, with an intuitive interface that plots functions, inequalities, parametric curves, polar equations, and statistical distributions in real time as you type. Desmos is faster and more visual than any handheld calculator for exploring mathematical relationships. It is now integrated into many standardized testing platforms, making familiarity with Desmos directly useful for exams.

GeoGebra (free) combines graphing, geometry, algebra, calculus, and statistics in a single app. Its geometry tools let you construct and manipulate geometric figures with constraints, which is valuable for understanding proofs and spatial relationships. GeoGebra also supports 3D graphing, making it useful for multivariable calculus and physics visualization.

Photomath (free with premium features) uses your camera to scan handwritten or printed math problems and shows step-by-step solutions. While this should not replace learning to solve problems yourself, it is genuinely useful for checking your work and understanding solution methods when you are stuck. The step-by-step explanations are often clearer than textbook solutions.

Field Identification Apps

iNaturalist (free) is the most important app for anyone interested in biodiversity and ecology. Take a photo of any plant, animal, fungus, or insect, and iNaturalist's AI model suggests identifications, which are then confirmed or corrected by a community of expert naturalists worldwide. Confirmed observations become research-grade data that feeds into the Global Biodiversity Information Facility (GBIF) and is used in actual scientific publications. iNaturalist is simultaneously a learning tool, a citizen science platform, and a field identification guide with coverage of virtually every organism on Earth.

Merlin Bird ID (free, by the Cornell Lab of Ornithology) identifies birds by photo or by sound. Its sound identification feature is remarkable: hold your phone up in any outdoor environment and Merlin identifies every bird species calling in real time, displaying their names as they vocalize. For ecology students, birding enthusiasts, and environmental surveyors, Merlin provides identification capability that previously required years of field experience.

PictureThis and PlantNet (both free with premium options) identify plants from photos with high accuracy. PictureThis also provides care information for garden plants and can identify plant diseases from leaf photos. PlantNet is a citizen science project associated with French research institutions, and its identifications contribute to botanical research databases.

Google Lens (free, built into Android and available as an app on iOS) provides general-purpose visual identification. While not as specialized or accurate as dedicated apps like iNaturalist or Merlin, it handles a broad range of identification tasks including minerals, insects, plants, landmarks, and text translation. It is a useful first tool when you encounter something unknown and are not sure which specialized app to use.

Reference and Learning Apps

The Periodic Table by Royal Society of Chemistry (free) provides the most comprehensive and well-designed periodic table app available. Each element entry includes physical and chemical properties, electron configuration, discovery history, isotope data, and interactive visualizations. The app includes podcasts about each element and trend data that helps students understand periodic relationships. It is substantially more useful than static periodic tables in textbooks.

Star Walk 2 ($3 to $5) and Stellarium Mobile (free basic version) turn your phone into an augmented reality planetarium. Point your phone at the sky and the app overlays constellations, planets, satellites, and deep-sky objects in real time. These apps make astronomy tangibly engaging because you can identify any object you see in the night sky instantly. Stellarium is also available as a powerful free desktop application for more serious astronomical work.

Khan Academy (free) provides comprehensive, structured courses in biology, chemistry, physics, mathematics, and computer science with video lessons, practice exercises, and progress tracking. The content quality is consistently high, and the adaptive practice system identifies and reinforces weak areas. For self-directed learning or supplementing coursework, Khan Academy is the best free education platform available.

Molecule Viewer and PDB Viewer apps (various free options) display three-dimensional molecular structures from the Protein Data Bank. Rotating, zooming, and exploring protein structures, DNA helices, and drug-receptor interactions in 3D on your phone provides understanding that flat textbook diagrams cannot match. For biochemistry and molecular biology students, these apps make structural concepts concrete and intuitive.

Data Collection and Lab Apps

phyphox (free, developed at RWTH Aachen University) turns your phone's built-in sensors into scientific instruments. Your phone contains an accelerometer, gyroscope, magnetometer, barometer, light sensor, and microphone, and phyphox provides calibrated access to all of them with data export in CSV format. You can measure the speed of sound using two phones, determine the moment of inertia of a rotating object, map magnetic fields, measure the frequency spectrum of sounds, and perform dozens of other physics experiments using no equipment beyond your phone. For physics education, phyphox is transformative.

Science Journal (originally by Google, now maintained by Arduino) records sensor data from your phone and from connected Arduino or Bluetooth sensors. It provides real-time graphs, annotations, and experiment organization. The app is designed for science education and makes it easy to collect, visualize, and discuss sensor data during classroom experiments.

Lab Timer apps (various free options) provide multiple simultaneous countdown and count-up timers, which is essential when running multiple experiments or procedures simultaneously. A good lab timer app lets you name each timer, set alerts, and run several timers independently, something a single physical timer cannot do.

Choosing Science Apps Wisely

Install only the apps you will actually use. A phone cluttered with dozens of unused science apps is no more useful than an empty phone. Start with Wolfram Alpha (or its free web version), one graphing app (Desmos), and one field ID app relevant to your interests (iNaturalist for general biology, Merlin for birds). Add specialized apps as specific courses or projects demand them.

Be aware that apps are supplements, not substitutes, for learning. A student who uses Photomath to get answers without understanding the methods is not learning. An app that identifies a bird for you does not teach you to identify birds yourself. Use apps to check your work, explore concepts visually, and handle computation, while investing the real cognitive effort in understanding principles.