Comparison

STEM at SFA vs Vernier Graphical Analysis

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

Head to head
About

STEM at SFA

Engage with professors on science, technology, engineering, and math topics. Explore the outdoors with a GPS-based activity feature.

Highlights
  • Ask professors questions
  • STEM subject focus
  • Outdoor GPS activity
  • Interactive learning
Features
Read full description

Ask professors questions about science, technology, engineering, and mathematics. You can also participate in an outdoor GPS activity using this app.

About

Vernier Graphical Analysis

This app allows science students to collect, graph, and analyze data from Vernier sensors. It supports various sensor types, offers multiple data collection modes, and provides powerful analysis tools like curve fitting and statistics. Data can be shared and exported for reports and further analysis.

Highlights
  • Multi-sensor data collection
  • Various data collection modes
  • Simultaneous graph display
  • Data table view
  • Curve fitting
  • Statistical calculations
  • Data export (.CSV)
Features
Read full description

Graphical Analysis™ is a tool for science students to collect, graph, and analyze data from Vernier sensors. Sensor data-collection support: • Vernier Go Direct® sensors - with Bluetooth® wireless technology • Vernier Go Wireless® Heart Rate and Go Wireless Exercise Heart Rate monitors • Vernier LabQuest® sensors used with a LabQuest Stream interface Additional experiment options: • Data Sharing via Wi-Fi connection to LabQuest 2 or Logger Pro® 3 • Manual Entry Note: Sensor data collection and Data Sharing require the purchase of hardware from Vernier Science Education. Manual entry of data can be performed without a hardware purchase. For more information on Data Sharing, visit http://www.vernier.com/css Key Features - Data Collection • Multi-sensor data-collection support • Time Based, Event Based, Drop Counting, and Photogate data-collection modes • Configurable data-collection rate and duration for time-based data collection • Optional triggering of time-based data collection based on sensor value • Customizable unit display on supported sensors • Sensor calibrations • Option to zero and reverse sensor readings • Graph match feature for use with motion detectors • Manual entry of data from keyboard and clipboard Key Features - Data Analysis • Display one, two, or three graphs simultaneously • View data in a table or show a graph and table side-by-side • Draw Predictions on a graph to uncover misconceptions • Examine, interpolate/extrapolate, and select data • Use Tangent tool to show instantaneous rates of change of the data • Find area under a curve using the Integral tool • Apply Statistics calculations to find mean, min, max, and standard deviation • Perform curve fits, including linear, quadratic, natural exponent, and more • Add calculated columns based on existing data to linearize data or investigate related concepts Key Features - Collaboration and Sharing • Create text annotations and add graph titles • Export graphs and data for printing and inclusion in lab reports • Export data in .CSV format for analysis of data in spreadsheet software such as Excel, Google Sheets, and Numbers • Adjust font sizes for easier viewing when presenting to your class Vernier Science Education has over 35 years of experience in providing effective learning resources for understanding experimental data in science and math classrooms. Graphical Analysis 4 is a part of the extensive system of sensors, interfaces, and data-collection software from Vernier for science and STEM education.

Screenshots

STEM at SFA4 screens
Vernier Graphical Analysis3 screens

Verdict

The call

The clearest difference is review sentiment: STEM at SFA at 100% against Vernier Graphical Analysis's 32%. STEM at SFA also leads on rating (5.0 vs 2.1) and iOS requirement (8.0 vs 17.7). Vernier Graphical Analysis's advantage is ratings volume (527 vs 7) and update cadence (every 2 months vs every 6 months). On price, ads, in-app purchases and monetization model 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

STEM at SFA holds the better App Store score, 5.0 against 2.1. That said, the two scores are not equally well evidenced: Vernier Graphical Analysis has 527 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 100% of STEM at SFA's written reviews are positive against 32% of Vernier Graphical Analysis's.

UpkeepUpdate frequency

STEM at SFA ships an update every 6 months, Vernier Graphical Analysis every 2 months. The most recent releases landed on September 28, 2026 and October 13, 2026 respectively.

Scorecard5 real differences · 5 level
STEM at SFA versus Vernier Graphical Analysis: the parameters behind the verdict, then further details
ParameterSTEM at SFAVernier Graphical Analysis
PriceFreeFree
Rating5.0 (7 ratings) — better2.1 (527 ratings)
Positive reviews100.0% of reviews — better32.2% of reviews
Number of ratings7527 — better
Update frequencyEvery 6 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.0 — better17.7
Further details — not scored
Size30 MB106 MB
Age rating4+4+
DeveloperElemental Software, LLCVernier Software & Technology

Customer experience

STEM at SFA

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Vernier Graphical Analysis

All ratings527 ratings
Positive26.9%
Neutral1.9%
Negative71.2%
Written reviews202 reviews
Positive32.2%
Neutral1.5%
Negative66.3%

Bugs and requests

STEM at SFA

Not enough reviews yet to summarise bugs or requests.

Vernier Graphical Analysis

Reported bugs

3 issues
  • App freezes and becomes unresponsive
  • Sensor data not accurately recorded
  • Unexpected app behavior and strange visual effects

Requested features

3 requests
  • More stable and reliable performance
  • Better compatibility with older devices
  • Improved Bluetooth connectivity

In-app purchases

None

STEM at SFA

No in-app purchases

None

Vernier Graphical Analysis

No in-app purchases

Questions

Is STEM at SFA free?
STEM at SFA is free to download, with no in-app purchases.
Is Vernier Graphical Analysis free?
Vernier Graphical Analysis is free to download, with no in-app purchases.
Which has better reviews, STEM at SFA or Vernier Graphical Analysis?
STEM at SFA is rated higher. STEM at SFA averages 5.0 out of 5 from 7 ratings, while Vernier Graphical Analysis averages 2.1 from 527 ratings.
Do STEM at SFA or Vernier Graphical Analysis have ads?
Neither STEM at SFA nor Vernier Graphical Analysis shows ads.
Which is updated more often, STEM at SFA or Vernier Graphical Analysis?
STEM at SFA ships an update every 6 months, and Vernier Graphical Analysis every 2 months. Most recently, STEM at SFA was updated on September 28, 2026 and Vernier Graphical Analysis on October 13, 2026.

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