GST[AR] vs Binary Code Toolkit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GST[AR]
Explore and visualize geological models in augmented reality. Browse a selection of models, place them on any surface, and interact with them by rotating, scaling, and highlighting features. Share your AR sessions with others for collaborative exploration.
- Browse geological models
- View models in AR
- Rotate and scale models
- Highlight model features
- Share AR sessions
- Customize AR settings
- Add custom model sources
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GST[AR] allows you to browse, download, view, and share geological models in augmented reality. Browse Browse through available models and their features to find a nice selection to present in AR. Models are retrieved from running instances of GST Web. Don’t worry, there are default sources added already, so you can get started right away. Hint: If you see a „Visit“ button near a section of models, you can tap it to learn more about the institution that provides these models for you! When you select a model, you will find a list of features waiting for you. Make your selection and off you go to the AR view. View As soon as the features are downloaded, you will be able to place them on any horizontal surface in AR. Use gestures or sliders to rotate and scale your model. Tap on individual parts to learn about their name or use the legend to even highlight individual features. Superelevation is available via sliders as well! Share When you have placed a feature selection in AR, you get the option to share your session with others! Use the share button to let other peers join your session, synchronize your worlds and you will be looking at the same model in no time. Changes to the model rotation, scale and location will be synced automatically between all peers in the session. Hold down on a model to place your marker to point towards the feature of interest or highlight a certain feature via the legend for all other peers. Settings and customization Customize your experience by changing a couple of settings. In the settings menu, you will have the possibility to change aspects of scaling, how high the models float above the surface or even enable such cool features like "people occlusion" that make your AR scene even more immersive! Furthermore, if you want to access models from a GST Web instance that is not present in the app, you have the possibility to add endpoints of your own.
Binary Code Toolkit
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Use this beautifully designed app to introduce the binary code and how it works. The app presents all the letters of the English alphabet as well as the numbers from zero to 9. Learning to use the binary code is an fun way to send secret messages to your friends. It is also a way for teachers to introduce the history of computers and basic concepts related to Boolean logic and ASCII. Learning about the binary representation of data is important because it is an essential concept in computer science. It also provides a fundamental understanding regarding how communication is possible between computers using the Amercan Standard Code for Information Interchange (ASCII). The adoption of this universal code made the digital revolution possible. It was an important step that helped in the expansion of digital technology. The Binary Code Toolkit is an interactive learning tool for introducing how the system is used to represent meaningful data with a series of 0's and 1's. Bob Bemer developed the ASCII coding system to standardize the way computers represent letters, numbers, punctuation marks and some control codes. He also introduced the backslash and escape key to the world of computers and was one of the first to warn about the dangers of the millennium bug. The millenium bug was a problem related to the need to use additional bits to represent the correct year on a computer after the turn of the century. When using the app In the exploration mode users can press any key and see the how to represent the associated letter using just 0's and 1's. Using the keyboard students can practice speeling words using the binary code. Switch to the number mode to learn how to represent the digits from zero to 9. Press any key in this mode and see how to represent a digit using a series of 0's and 1's. Students who are learning about the binary code will find the quiz feature helpful. After pressing the question mark to start the quiz a word is randomly selected from a list of words. The way to spell the word using using bits and bytes is shown. The object is for the student to recognize the on and off LED's that represent the characters in the word and to type them on the keyboard. Speech effects are provided so that when a letter is pressed on the keyboard it is pronounced aloud. This feature can optionally be turned on or off.
Screenshots
Verdict
The clearest difference is price: GST[AR] at Free against Binary Code Toolkit's $1.99. GST[AR] also leads on update cadence (every 4 months vs every 37 months). Binary Code Toolkit's advantage is iOS requirement (13.2 vs 16.4). On 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
GST[AR] is free to download; Binary Code Toolkit costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
GST[AR] ships an update every 4 months, Binary Code Toolkit every 37 months. The most recent releases landed on September 26, 2026 and October 3, 2026 respectively.
| Parameter | GST[AR] | Binary Code Toolkit |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months — better | Every 37 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPad, Apple TV |
| Requires iOS | 16.4 | 13.2 — better |
| Further details — not scored | ||
| Size | 2 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | GiGa infosystems GmbH | Ventura Educational Systems |
In-app purchases
GST[AR]
No in-app purchases
Binary Code Toolkit
No in-app purchases
Questions
Is GST[AR] free?
Is Binary Code Toolkit free?
Do GST[AR] or Binary Code Toolkit have ads?
Which is updated more often, GST[AR] or Binary Code Toolkit?
Other comparisons
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