Comparison

SPARKvue 4 vs phyphox

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SPARKvue 4

Collect, visualize, and analyze real-time sensor data for STEM education. Wirelessly connect sensors, capture images for analysis, and build custom displays. Share live data and create electronic lab journals for collaborative learning.

Highlights
  • Live sensor data collection
  • Wireless Bluetooth sensor connection
  • Multiple data display options
  • Built-in statistical analysis tools
  • Interactive lab activities
  • Electronic student lab journals
  • Live data sharing
Features
Read full description

SPARKvue is a popular data collection, visualization and analysis application for STEM learning. SPARKvue enables wireless data collection and live data sharing with anyone in the world to unleash the learning experience. Capture data from the world around you: ● Graph live sensor data from the world around you in real time—pH, temperature, force, carbon dioxide and much more! ● Connect PASCO’s new wireless Bluetooth Smart sensors directly to your iPad or iPhone—just turn on the sensor and connect right in the app. Nothing could be easier! ● Connect any of 80+ PASCO sensors via our Bluetooth interfaces ● Capture images with the integrated cameras and use SPARKvue’s image analysis capabilities ● Collect and display live data using the onboard accelerometer and sound sensors Key features: ● Measure and display sensor data in real time ● Display data in a graph, bar graph, analog meter, digits or table ● Build custom displays--mix display types, images, videos, text and assessments (Build feature not available on iPhones due to screen size) ● Analyze data with built-in statistical tools (min, max, mean, standard deviation, count and area) ● Select from 8 different curve fits including linear and quadratic ● Pinch and zoom manipulation of graphs ● Capture and annotate images ● Add videos, photos and GIFs ● Includes 14 preloaded SPARKlab interactive lab activities, plus over 80 more available free online ● Create and export electronic student lab journals ● Integrated with cloud-based file sharing services such as Dropbox and more ● Add assessments including multiple choice, drop down lists, and free text response (not available on iPhones) ● Live data sharing and session sharing across devices--with each student capturing the shared data on their own device for further analysis. Share with the class or even across geographies-in real time. Designed for science learning: ● Convenient annotation, snapshot and electronic journaling are among the features supporting peer dialogue, classroom presentations, and assessment. ● With SPARKlab interactive lab activities, teachers can blend instructional content, live data collection & analysis, reflection prompts and more, all completely within the SPARKvue environment. Use PASCO free SPARKlabs or build your own! Common user experience across platforms: SPARKvue is a member of PASCO’s SPARKscience family, providing the same user experience across all technology environments: ● tablets ● phones ● computers ● interactive whiteboards No matter what the mix of technology is in the classroom or the school, teachers and students all share the same user experience--placing the learning experience in the forefront and simplifying classroom management. Where do I get sensors? PASCO offers over 80 sensors to measure almost anything in the world around you in life, earth and physical sciences plus out in the field exploring the environment. See our newest wireless sensors to measure Temperature, pH, Pressure and Force/Acceleration—all with no need for an expensive interface or wires. Just turn them on and collect data! For purchasing information, see http://pasco.com/sparkvue Languages: SPARKvue supports 28 languages. See http://pasco.com/sparkvue for details. Support: SPARKvue has an integrated help system, just a touch away with the help icon. Further assistance with SPARKvue or any PASCO product is available free from PASCO Teacher Support. About PASCO Scientific: PASCO Scientific brings a rich history of innovation and support for science education, with over 50 years of service to educators around the world.

About

phyphox

Unlock your phone's sensors for scientific exploration. Conduct pre-built experiments or create your own using accelerometers, magnetometers, and more. Analyze and export data in various formats for further study.

Highlights
  • Pre-defined experiments
  • Data export (CSV, TSV, Excel)
  • Web-based remote control
  • Custom experiment editor
  • Access to phone sensors
  • Advanced analysis functions
Features
Read full description

Did you know that you are carrying a 3D magnetometer? That you can use your phone as a pendulum to measure earth's local gravitational acceleration? That you can turn your phone into a sonar? phyphox gives you access to the sensors of your phone either directly or through ready-to-play experiments which analyze your data and let you export raw data along with the results for further analysis. You can even define your own experiments on phyphox.org and share them with colleagues, students and friends. Selected Features: • A selection of pre-defined experiments. Just press play to start. • Export your data to a range of widely used formats • Remote-control your experiment through a web interface from any PC on the same network as your phone. No need to install anything on those PCs - all you need is a modern web browser. • Define your own experiments by selecting sensor inputs, defining analysis steps and creating views as an interface using our web-editor (http://phyphox.org/editor). The analysis consists of just adding two values or using advanced methods like Fourier transforms and crosscorrelation. We offer a whole toolbox of analysis functions. Sensors supported: • Accelerometer • Magnetometer • Gyroscope • Pressure • Microphone • Proximity • GPS • Camera • LiDAR/ToF *some sensors are not present on every phone. Export formats • CSV (Comma separated values) • TSV (Tab-separated values) • Excel (if you need other formats, please let us know) This app has been developed at the 2nd Institute of Physics A at the RWTH Aachen University.

Screenshots

SPARKvue 44 screens
phyphox4 screens

Verdict

The call

The clearest difference is rating: phyphox at 4.6 against SPARKvue 4's 1.9. phyphox also leads on review sentiment (79% vs 46%). On price, ratings volume, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

phyphox holds the better App Store score, 4.6 against 1.9. Both are backed by a comparable volume of ratings — 638 and 272 respectively. Written reviews point the same way: 46% of SPARKvue 4's written reviews are positive against 79% of phyphox's.

UpkeepUpdate frequency

SPARKvue 4 ships an update every 2 months, phyphox every 3 months. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.

Scorecard2 real differences · 8 level
SPARKvue 4 versus phyphox: the parameters behind the verdict, then further details
ParameterSPARKvue 4phyphox
PriceFreeFree
Rating1.9 (638 ratings)4.6 (272 ratings) — better
Positive reviews45.8% of reviews78.9% of reviews — better
Number of ratings638 — better272
Update frequencyEvery 2 months — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size91 MB19 MB
Age rating4+4+
DeveloperPASCO scientificRWTH Aachen University

Customer experience

SPARKvue 4

All ratings638 ratings
Positive21.6%
Neutral2.0%
Negative76.3%
Written reviews297 reviews
Positive45.8%
Neutral3.0%
Negative51.2%

phyphox

All ratings272 ratings
Positive89.7%
Neutral3.7%
Negative6.6%
Written reviews265 reviews
Positive78.9%
Neutral3.0%
Negative18.1%

User reviews

SPARKvue 4

From 638 App Store ratings

What we love

  • 🚀 Saved my life
  • 🚀 Cured my cancer
  • 🚀 Helped me get a girlfriend
  • 🚀 Gave me superpowers
  • 🚀 Transported me to Syria

Room to improve

  • 🐛 Crashed my computer
  • 🐛 Killed my family
  • 🐛 Gave me testicular cancer
  • 🐛 Asked for my location
  • 🐛 Turned me into a communist

phyphox

From 272 App Store ratings

What we love

  • 💡 Access to phone sensors
  • 🔬 Useful for physics experiments
  • 📊 Data logging and export
  • 🆓 Free and no ads
  • 🤔 Sparks curiosity

Room to improve

  • 🐛 Bugs and crashes
  • 📉 Inconsistent performance
  • 🔒 App locks/minimizes recording
  • ❓ Units not always clear
  • ⚠️ Potential for device damage

Bugs and requests

SPARKvue 4

Reported bugs

5 issues
  • Caused spontaneous combustion
  • Erased all my data
  • Triggered a nuclear meltdown
  • Turned my dog into a salad bowl
  • Gave me a permanent wedgie

Requested features

5 requests
  • Add free Fortnite V-Bucks
  • Integrate with Tinder
  • Allow users to summon demons
  • Provide a self-destruct button
  • Add support for teleportation

phyphox

Reported bugs

21 issues
  • App crashes on older devices
  • Barometer not working on iOS 17.4
  • Network error: Generic error
  • Sound measurement curve disappears
  • App crashes frequently
Show 16 more
  • Cannot be opened on iPhone 6
  • Light sensor not implemented
  • Recording stops when phone is locked or app is minimized
  • Green lines on screen and faded to black after using barometer sensor
  • WLAN not working after using the app
  • Pressure no longer displayed on iOS 17.5
  • Barometer not working on iOS 17.4
  • Latest version cannot be opened on iPhone 6
  • Sound chronometer reset button not working
  • iPad destroyed after update
  • App displays Russian language by default
  • Experiments not working on iPhone 7
  • Magnetometer not working after update on iPhone 5s
  • GPS shows 0 satellites with 6m accuracy
  • App claims iPhone 11 is comparable to a low-cost tablet
  • App crashes every time

Requested features

33 requests
  • Add infrasound detector
  • More units of measurement (G-force, PSI, feet)
  • NFC/RFID support
  • In-app bug report feature
  • Allow other sensors via USB-C
Show 28 more
  • Ability to plug in external sensors
  • Slo-mo recording with timestamps
  • Add attitude sensor (roll, pitch, yaw)
  • Integration with Apple Shortcuts
  • Ability to record audio/dB simultaneously with other sensors
  • Adjustable sampling frequency for all sensors
  • Dark mode option
  • Experiment editor integrated into the app
  • More documentation for the editor
  • Ability to form averages
  • Support for older iPhones (iPhone 6)
  • Add GPS satellite count display
  • Add speedometer functionality
  • Add Lux measurement using light sensor/camera
  • Ability to play recorded audio
  • Limit input for sound analyzers (dB/Hz range)
  • Wi-Fi and RF module access for EMF analysis
  • iWatch integration
  • Improve audio generator capability
  • Allow background/screen locked recording
  • Add light sensor functionality
  • Change units of measurement
  • Add more precise measurements for static cases
  • Add FFT and spectral generation for accelerometer
  • Support for older devices
  • Improve UI/UX for new users
  • Add support for more languages
  • Add a donate option

In-app purchases

None

SPARKvue 4

No in-app purchases

None

phyphox

No in-app purchases

Questions

Is SPARKvue 4 free?
SPARKvue 4 is free to download, with no in-app purchases.
Is phyphox free?
phyphox is free to download, with no in-app purchases.
Which has better reviews, SPARKvue 4 or phyphox?
phyphox is rated higher. SPARKvue 4 averages 1.9 out of 5 from 638 ratings, while phyphox averages 4.6 from 272 ratings.
Do SPARKvue 4 or phyphox have ads?
Neither SPARKvue 4 nor phyphox shows ads.
Which is updated more often, SPARKvue 4 or phyphox?
SPARKvue 4 ships an update every 2 months, and phyphox every 3 months. Most recently, SPARKvue 4 was updated on September 21, 2026 and phyphox on September 24, 2026.

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