Comparison

techSampler vs FCC Exam Prep

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

Head to head
About

techSampler

Explore dozens of free, standalone apps with complete source code for electronics, science, math, and graphics. This companion app to a popular book provides executable projects and programming tools for iPhone and iPad.

Highlights
  • Free standalone apps with source code
  • Electronics and sensor projects
  • Data collection and analysis
  • Interactive graphics and programming
  • Companion to O'Reilly book
  • Built-in help and debugger
  • STEM education tools
Features
Read full description

Dozens of FREE Stand-Alone Apps with Complete Source Code for accessing Sensors, Electronics, Science, Math and Graphics from the iPhone and iPad, and is also the Companion App for the new O’Reilly Book “Building iPhone & iPad Electronics Projects.” VIDEO – BUILDING IPHONE & IPAD ELECTRONICS PROJECTS See https://www.youtube.com/watch?v=wn_VqZMfoMY VIDEO -- CLASSROOM LEARNING See http://www.byteworks.us/Byte_Works/Classroom.html QUICK START GUIDES FOR THE IPHONE AND IPAD See http://www.byteworks.us/Byte_Works/Documentation.html SAMPLE APPS techBASIC Sampler Includes Apps Written in techBASIC for ◆ Electronics projects ◆ Data collection ◆ Creating interactive graphics ◆ Cool programming controls ◆ Connecting to the latest sensor technology ◆ Using Bluetooth low energy and Arduino O’REILLY BOOK -- BUILDING IPHONE & IPAD ELECTRONICS PROJECTS Real World Arduino, Sensor and Bluetooth LE Apps with techBASIC. techBASIC Sampler is the companion app to this new book and includes ◆ Executable versions of each project ◆ Complete source code Check out the Early Release of the Ebook at http://shop.oreilly.com/product/0636920029281.do PROGRAMMING Use techBASIC Sampler to ◆ View the complete source code for every example ◆ Check out the built-in help system ◆ Run the step-and-trace debugger ◆ Explore the powerful, and easy to use world of programming with techBASIC IN-APP PURCHASE An in-app purchase unlocks the editing capabilities, giving you the full version of techBASIC so you can customize these programs or write your own. SCIENCE, TECHNOLOGY, ENGINEERING & MATH {STEM) SCIENCE CLASS Engage Students in Scientific Inquiry as they ◆ Understand physics from real data, like zero G on a swing ◆ Collect data from the built-in sensors on the iPhone & iPad ◆ Study the earth’s magnetic field ◆ See the Stars rotate around the sun Check out these apps for science class lesson ideas:   • Accelerometer, Magnetometer and Gyroscope   • E-M Field   • G-Force   • Metal Detector   • Stars MATH CLASS Bring Math Class to Life as Students ◆ Quickly plot functions to understand coordinate systems ◆ Interact with equations using swipe and pinch gestures ◆ Watch a torus degenerate into a sphere ◆ Use numeric integration for calculus ◆ Fit curves to data with polynomial and linear regression ◆ Solve simultaneous equations with matrix math like LU decomposition ◆ Use techBASIC as the power-user’s graphing calculator (see our tutorial blog) Check Out These Apps for Math Class Lesson Ideas:   • Sin_x and Ball   • Torus Geometry   • Integration   • Regression PROGRAMMING CLASS ◆ Engage students with beautiful interactive graph using just a few lines of code ◆ Clear error messages and step-and-trace debugger make programming easy ◆ Write a program to collect data from the accelerometer in one class period ◆ Learn problem solving skills ◆ Write powerful programs to control and interact with the world around them ◆ BASIC programming language is easy to learn and widely used ◆ Built-in help system answers questions right in the app ELECTRONICS & SENSORS The techBASIC website has numerous tutorials you can modify ◆ Turn an iPhone into a magnetometer ◆ Build Bluetooth low energy based circuits ◆ Turn an iPhone into a Plant Moisture Meter using HiJack ◆ Hack a Remote Control car with an Arduino and Bluetooth LE ◆ Connect to Bluetooth low energy devices from the iPhone and iPad ◆ Collect Data from a model rocket iPhone flight using the TI SensorTag ◆ Access data real-time from the built-in accelerometer, magnetometer and gyroscope sensors FREE DOCUMENTATION QUICK START GUIDES FOR THE IPHONE AND IPAD See http://www.byteworks.us/Byte_Works/Documentation.html ◆ Learn how to quickly access the main features of techBASIC ◆ Get information on the examples included with techBASIC Sampler REFERENCE MANUAL FOR techBASIC ◆ Over 300 pages of documentation ◆ Dozens of sample programs and images

About

FCC Exam Prep

Prepare for your amateur radio license exam with a comprehensive study tool. Access a vast question bank, take full-length practice exams, and track your progress. Study efficiently to pass your Technician, General, or Extra class license exams.

Highlights
  • Full question bank for all license levels
  • Timed practice exams
  • Progress tracking and statistics
  • Cross-device access
  • Instant feedback on answers
  • Identify weak study areas
Features
Read full description

A complete study companion for passing the FCC amateur radio license exam. Whether you're pursuing your Technician, General, or Extra class license, our comprehensive app provides everything you need to succeed. Start today and get your license faster! - Full Question Bank: Thousands of exam-style questions across all three license levels - Full-Length Practice Exams: Timed simulations that match official test conditions - Progress Tracking: Monitor your learning with detailed statistics and performance insights - Study Anywhere: Access your questions and progress across all your devices Whether you're a complete beginner or refreshing your knowledge, FCC Exam Prep adapts to your pace. Get instant feedback on every question, identify weak areas, and focus your study time where it matters most. Privacy Policy: https://support.bitprey.com/fccprep-privacy-policy-apple/ Terms of Use: https://support.bitprey.com/fccprep-terms-apple/

Screenshots

techSampler4 screens
FCC Exam Prep4 screens

Verdict

The call

The clearest difference is rating: FCC Exam Prep at 5.0 against techSampler's 3.0. FCC Exam Prep also leads on update cadence (every 3 days vs every 4 months). techSampler's advantage is iOS requirement (7.0 vs 15.0). On price, ratings volume, ads and in-app purchases 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. techSampler sells 1 one-off in-app purchase and FCC Exam Prep sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

FCC Exam Prep holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

techSampler ships an update every 4 months, FCC Exam Prep every 3 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
techSampler versus FCC Exam Prep: the parameters behind the verdict, then further details
ParametertechSamplerFCC Exam Prep
PriceFreeFree
Rating3.0 (2 ratings)5.0 (1 ratings) — better
Positive reviews50.0% of reviews—
Number of ratings2 — better1
Update frequencyEvery 4 monthsEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS7.0 — better15.0
Further details — not scored
Size38 MB29 MB
Age rating4+4+
DeveloperByte Works, Inc.JINGLUN LI

Customer experience

techSampler

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

FCC Exam Prep

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

techSampler

One-time1
  • Add Editing$14.99
2 purchases

FCC Exam Prep

Subscriptions1
  • Premium Membership Monthly3 Days trial$1.991 Month
One-time1
  • Premium Membership$5.99

Questions

Is techSampler free?
techSampler is free to download, with in-app purchases available.
Is FCC Exam Prep free?
FCC Exam Prep is free to download, with in-app purchases available.
Which has better reviews, techSampler or FCC Exam Prep?
FCC Exam Prep is rated higher. techSampler averages 3.0 out of 5 from 2 ratings, while FCC Exam Prep averages 5.0 from 1 ratings.
Do techSampler or FCC Exam Prep have ads?
Neither techSampler nor FCC Exam Prep shows ads.
Which is updated more often, techSampler or FCC Exam Prep?
techSampler ships an update every 4 months, and FCC Exam Prep every 3 days. Most recently, techSampler was updated on November 1, 2026 and FCC Exam Prep on October 31, 2026.

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