Comparison

R2 vs Lexigon

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

Head to head
About

R2

Control your interactive R2-D2 droid from your smartphone or tablet. Steer the droid, view its camera feed, and activate unique features like its projector and pop-up lightsaber. The droid can also operate autonomously and respond to voice commands.

Highlights
  • Dual mode control (command/AI)
  • Video/still camera with face detection
  • Holographic message projector
  • Pop-up lightsaber
  • Extending arms and manipulator probes
  • Voice command response
Features
Read full description

Your R2-D2 is finally ready to interact with you! With the ‘Build R2-D2’ App you can control your interactive droid directly from your smartphone or tablet. Steer him at will, see what he sees, and activate all his special features! Features include: DUAL MODE You can switch R2-D2 to operate under command or in autonomous ‘AI’ mode, when he will behave like the wilful astromech in the movies and respond to voice commands. VIDEO/STILL CAMERA The video/still camera in R2-D2’s head allows him to take snapshots and short video clips, which can be stored on your mobile device. His programming also includes the ability to detect human faces. PROJECTOR Just like in the Star Wars movies, R2-D2 is able to display holographic messages using a projector which can beam images of Princess Leia and Luke Skywalker onto any nearby flat surface. POP-UP LIGHTSABER As in ‘Return of the Jedi’ R2-D2 has a ‘hidden extra’ – Luke Skywalker’s lighsaber, which will pop up on demand from the pneumatic ejection tube in his head. EXTENDING ARMS As in the movies, R2-D2 can extend his spacecraff linkage and control arms on comman.The flaps on his body conceal hidden droid manipulator arms and probes, which you can extend at will. ------------- Mail:  customercare@deagostini.co.uk

About

Lexigon

This word game offers a unique 3D puzzle experience where players rotate shapes and select letters to find hidden words. It features multiple game modes, themed levels, and a massive word challenge, all playable offline and without distractions.

Highlights
  • 3D shape rotation for letter selection
  • Hidden word discovery
  • Score based on click count
  • Multiple game modes (Chilled Out, Stressed)
  • 16 themed levels
  • Offline play
  • No ads or in-app purchases
Features
Read full description

Lexigon takes word games to a whole new dimension—literally—offering a brain-bending experience that keeps you on your toes. Dive into a unique challenge where you rotate 3D shapes and carefully select letters on each face to uncover hidden words. The fewer clicks it takes, the higher your score. Whether you prefer a relaxed pace in ‘Chilled Out’ mode or the adrenaline rush of racing against the clock in ‘Stressed’ mode, Lexigon has you covered. Explore 16 themed levels, ranging from Anatomy to words coined by none other than William Shakespeare himself. Once you conquer those, take on the ultimate challenge—‘The Big One’—with 10,000 words to unravel, from everyday terms to obscure gems. It’s simple to pick up but maddeningly hard to master, guaranteeing endless entertainment. Best of all, Lexigon is distraction-free: no ads, no in-app purchases, and zero data collection. And with offline play, you can enjoy the game anytime, anywhere—whether you’ve got a signal or not.

Screenshots

R23 screens
Lexigon4 screens

Verdict

The call

The clearest difference is review sentiment: Lexigon at 100% against R2's 23%. Lexigon also leads on update cadence (monthly vs every 4 months) and iOS requirement (12.0 vs 15.0). 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.

UpkeepUpdate frequency

R2 ships an update every 4 months, Lexigon monthly. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

Scorecard3 real differences · 7 level
R2 versus Lexigon: the parameters behind the verdict, then further details
ParameterR2Lexigon
PriceFreeFree
Rating3.4 (363 ratings) — better—
Positive reviews22.6% of reviews100.0% of reviews — better
Number of ratings363 — better—
Update frequencyEvery 4 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size37 MB133 MB
Age rating4+4+
DeveloperDe Agostini Publishing S.p.A.Guy Halligan

Customer experience

R2

All ratings326 ratings
Positive58.6%
Neutral2.5%
Negative39.0%
Written reviews168 reviews
Positive22.6%
Neutral7.1%
Negative70.2%

Lexigon

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

R2

Reported bugs

17 issues
  • App crashes immediately upon opening
  • Unable to connect to R2-D2 via Bluetooth or WiFi
  • Local WiFi connection mode not working
  • Direct WiFi mode intermittently functional
  • iOS 14, 16, 17, 18, 18.1 compatibility issues
Show 12 more
  • App force closes when accessing camera or photo library
  • Settings menu appears empty or incomplete
  • Language selection not persisting (defaults to English)
  • Character encoding issues with accents and special characters
  • Camera display lag and latency
  • Head rotation juddering instead of smooth motion
  • Voice control not responding
  • Patrol mode not functioning properly
  • Photo feature crashes app
  • Configuration options cut off on screen
  • 5GHz WiFi not supported
  • App doesn't recognize R2-D2 on network despite connection

Requested features

14 requests
  • Update app for iOS 16, 17, 18, and 18.1 compatibility
  • Diagnostic feature to check R2-D2 problems
  • Volume control option
  • Programming/automation functionality
  • Controller support (PS2/gamepad)
Show 9 more
  • Remote access outside local network
  • Smoother head and body movement controls
  • Recording and projection feature
  • Desktop application for Mac and Windows
  • Improved voice recognition
  • Better patrol mode with obstacle detection
  • Comprehensive user manual in app
  • Support for Little Bits Droid Inventor Kit
  • Additional language support (German, Spanish, Russian, Italian, Polish, French, Japanese)

Lexigon

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

R2

No in-app purchases

None

Lexigon

No in-app purchases

Questions

Is R2 free?
R2 is free to download, with no in-app purchases.
Is Lexigon free?
Lexigon is free to download, with no in-app purchases.
Do R2 or Lexigon have ads?
Neither R2 nor Lexigon shows ads.
Which is updated more often, R2 or Lexigon?
R2 ships an update every 4 months, and Lexigon monthly. Most recently, R2 was updated on October 7, 2026 and Lexigon on October 3, 2026.

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