Comparison

Versailles 3D HD vs Redy

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

Head to head
About

Versailles 3D HD

Explore the Palace of Versailles as it was during Louis XIV's reign. This HD application overlays historical reconstructions onto the current-day castle and gardens, allowing visitors to visualize different eras on their tablet.

Highlights
  • Historical overlays
  • Time period visualization
  • Tablet optimized HD
  • Augmented reality experience
  • Educational exploration
Features
Read full description

Versailles 3D is an application that allows visitors of Versailles immerse themselves in history through their mobile devices and tablets. This HD version is for tablets. The principle is simple: having his tablet at the heart of the Royal Court at the foot of the chapel or on the terrace gardens, visitors can see the castle at the time of his choice. His phone becomes a real window into the past by superimposing the Castle today the major works of the reign of Louis XIV. http://en.chateauversailles.fr/

About

Redy

Features
Read full description

With the Redy application, carry out and analyze your science experiments made with Redy wireless sensors easily. From data acquisition to data processing, Redy will accompany you both in the classroom and in your outdoor PWs. You can carry out all desired experiments thanks to the numerous sensors available and the possibility to connect 4 sensors simultaneously. Connect one or more Redy sensors to your tablet or smartphone via Bluetooth and benefit from an application with intuitive and easy-to-use features. - Benefit from assistance in carrying out your experiments. You have guides related to your Redy sensors: experiment files. These resources include PW protocols, guidance, diagrams, installation visuals, results examples … They are developed and tested by teachers. They are available in you Redy application or online and freely downloadable from your digital platform https://www.plateformenum.jeulin.fr" - Display the values of your measurements in real time. You can read them in different ways: in digital format or in bargraph, as a graph or via the value table. - Take photos or videos to associate your measurements to a key moment of your experiment. - Analyze your data through powerful and simple data processing and modelling tools. Use the pointer to identify the coordinates of a point, annotate the curves, and determine the endpoint through the tangent method during a pH metric dosing … All the essential tools for your analysis are available. - Write your report directly in the application. - Customize your application and display only the elements you want to appear. You can also display 4 elements simultaneously on the screen of your tablet or smartphone. The graph of your experiment, the value measured live the camera snap, the value table... you are the one who choses what interests you! Your Redy sensors can also be used other than connected to a tablet or a smartphone. You can read the value measured directly on the sensor screen, save the measurements in the internal memory of your sensor and then transfer them to a computer or a tablet to be processed, or connect your sensors to a computer via USB-C (free software). The Redy wireless sensors are the most versatile Bluetooth sensors available. + more information on the Redy sensors on https://en.jeulin.fr/en-products/datalogging/redy-wireless-sensors.html

Screenshots

Redy3 screens

Verdict

The call

The clearest difference is update cadence: Redy at every 4 months against Versailles 3D HD's every 50 months. Redy also leads on device support (3 vs 1). Versailles 3D HD's advantage is iOS requirement (8.0 vs 12.2). On price, 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Versailles 3D HD ships an update every 50 months, Redy every 4 months. The most recent releases landed on November 6, 2026 and November 11, 2026 respectively.

Scorecard3 real differences · 7 level
Versailles 3D HD versus Redy: the parameters behind the verdict, then further details
ParameterVersailles 3D HDRedy
PriceFreeFree
Rating2.3 (3 ratings) — better—
Positive reviews60.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 50 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPadiPhone, iPad, iPod — better
Requires iOS8.0 — better12.2
Further details — not scored
Size143 MB71 MB
Age rating4+4+
DeveloperChateau de VersaillesJeulin

In-app purchases

None

Versailles 3D HD

No in-app purchases

None

Redy

No in-app purchases

Questions

Is Versailles 3D HD free?
Versailles 3D HD is free to download, with no in-app purchases.
Is Redy free?
Redy is free to download, with no in-app purchases.
Do Versailles 3D HD or Redy have ads?
Neither Versailles 3D HD nor Redy shows ads.
Which is updated more often, Versailles 3D HD or Redy?
Versailles 3D HD ships an update every 50 months, and Redy every 4 months. Most recently, Versailles 3D HD was updated on November 6, 2026 and Redy on November 11, 2026.

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