Comparison

Data Collection vs Arlektra

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

Head to head
About

Data Collection

This app allows researchers to capture accelerometer, gyroscope, and magnetometer data directly from their iOS devices. It time stamps the captured data and includes Apple's enhanced device motion for research or experimentation.

Highlights
  • Capture accelerometer data
  • Capture gyroscope data
  • Capture magnetometer data
  • Time-stamped data
  • Includes enhanced device motion data
Features
Read full description

This app was developed for researchers so that they may capture accelerometer, gyroscope, and magnetometer data directly from their iOS device to use for research or play around with. The data is time stamped and the data from Apple's enhanced device motion is included for reference.

About

Arlektra

This app uses augmented reality to teach electronics and circuits. Visualize complex theories, build circuits with step-by-step 3D instructions, and explore electrical parts in detail. Learn to use tools like a digital multimeter with interactive guidance.

Highlights
  • Augmented reality 3D instructions
  • Visualize electrical theories
  • Step-by-step circuit building
  • Explore electrical parts in 3D
  • Learn multimeter usage
  • Interactive troubleshooting guidance
Read full description

Arlektra teaches electronics and circuits hands-on, with real-time Augmented Reality 3D instructions and animations through your phone or tablet. Now you easily learn, build and see the world of electronics and circuits like never before! When using Arlektra's complete learning kit, or the demo Arlektra Image Target, learners will: [SEE THEORY] Arlektra will allow you to easily visualize and comprehend the most difficult electrical concepts and theories, as they come alive right before your very eyes. You'll finally understand the unseen complexities of electrical theory, with vision and insight beyond your imagination. [BUILD CIRCUITS] Using step-by-step Visual (3D), Audio and Text instructions, Arlektra will teach you to build electrical circuits, with ease. You’ll learn to build various types of circuits, while using different electrical parts to do so - all without any assistance. [EXPLORE PARTS] Arlektra will allow you to see real electrical parts in detailed 3D exploded and 360 views - while you look through your mobile device. You'll learn about their inner workings and operation, and how they connect and work together in electrical circuits. [LEARN TOOLS] Arlektra will teach you how to you use a digital multimeter in ways that have never been done before, with 3D assistance. You'll learn a multimeters functions and how to test circuits and conduct basic electrical troubleshooting procedures. Arlektra comes with everything you want and need. No other app in the universe can teach you electronics and circuits like Arlektra. It will inspire and prepare you for the future, beyond your imagination! [Requirements] 
*Camera Permissions: Needed by the Arlektra app to produce the Augmented Reality experience through your rear camera

 *Guest Menu Lessons: To use these lessons, you must first download and print the required Arlektra Image Target from: arstemlabs.com/arlektra-demo

Screenshots

Data Collection3 screens
Arlektra4 screens

Verdict

The call

The clearest difference is price: Arlektra at Free against Data Collection's $0.99. Data Collection's advantage is rating (3.1 vs 2.4) and review sentiment (61% vs 20%). On ratings volume, ads, in-app purchases and device support 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

Arlektra is free to download; Data Collection costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Data Collection holds the better App Store score, 3.1 against 2.4. Both are backed by a comparable volume of ratings — 10 and 7 respectively. Written reviews point the same way: 61% of Data Collection's written reviews are positive against 20% of Arlektra's.

UpkeepUpdate frequency

Data Collection ships an update every 2 months, Arlektra every 6 months. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

Scorecard5 real differences · 5 level
Data Collection versus Arlektra: the parameters behind the verdict, then further details
ParameterData CollectionArlektra
Price$0.99Free — better
Rating3.1 (10 ratings) — better2.4 (7 ratings)
Positive reviews60.9% of reviews — better20.0% of reviews
Number of ratings10 — better7
Update frequencyEvery 2 months — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.017.0 — better
Further details — not scored
Size1 MB433 MB
Age rating4+4+
DeveloperChris WoznyAR STEM LABS

Customer experience

Data Collection

All ratings10 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews23 reviews
Positive60.9%
Neutral21.7%
Negative17.4%

Arlektra

All ratings7 ratings
Positive28.6%
Neutral14.3%
Negative57.1%
Written reviews5 reviews
Positive20.0%
Neutral20.0%
Negative60.0%

In-app purchases

None

Data Collection

No in-app purchases

None

Arlektra

No in-app purchases

Questions

Is Data Collection free?
Data Collection costs $0.99, with no in-app purchases.
Is Arlektra free?
Arlektra is free to download, with no in-app purchases.
Which has better reviews, Data Collection or Arlektra?
Data Collection is rated higher. Data Collection averages 3.1 out of 5 from 10 ratings, while Arlektra averages 2.4 from 7 ratings.
Do Data Collection or Arlektra have ads?
Neither Data Collection nor Arlektra shows ads.
Which is updated more often, Data Collection or Arlektra?
Data Collection ships an update every 2 months, and Arlektra every 6 months. Most recently, Data Collection was updated on October 4, 2026 and Arlektra on October 1, 2026.

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