Fiends vs LEGO® TECHNIC® AR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fiends
Watch fun videos and play games with a cast of unique characters. This app offers an interactive experience for learning, singing, creating, and playing together. Join the Fiends for an entertaining time.
- Watch videos
- Play games
- Learn and sing
- Create and play
- Meet animated characters
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You'll have a Fiendtastic time watching all of our videos and playing games along with the Fiends! We are so glad you stopped by and we hope you enjoy your stay with us as we learn, sing, create and play together. We'll be your Best Fiends Forever! Meet the FIENDS: Hi there my fellow Fiends! I'm Vamp, that's V-A-M-P! I'm the head of the house and I live with my fiends at Vamp Manor. I hold special powers that come from my family's lineage of witches and vampires. Hi! I'm Cubbie, that's C-U-B-B-I-E! I'm a fruit bat and I love fruit! Ohhh I love apples, they are my favorite! I love to fly and I'm 5 years old and OHH, I just got a new fang! What's up my little Fiends and Fiendettes! I'm Howlin the werewolf, that's H-O-W-L-I-N! I'm the older brother and I love to hang with my favorite Fiends! Whenever you see the moon, remember me and howl with me... AWWOOOOOOO!!! HULLO! I'm a zombie and my name is DK, that's short for Dee...Kay. I'm intelligent, sophisticated and devastatingly handsome! Oh, and I'm also very modest. I am obviously the BRAAAAAAINS of the group. I love to eat and am always starving! My favorite is cake, ohhhh I love cake! STARVING!!! Hi! I'm BOO, that's B-O-O! I'm the ghostest with the mostest! I'm a shy ghost, I don't talk much, unless you're a chosen one. I'm always high in spirit and I love making new fiends! Will you be my best fiend forever!? You can meet the rest of the FIENDS at TheFiends.com
LEGO® TECHNIC® AR
Enhance your LEGO Technic building experience with augmented reality. Interact with models through realistic simulations, games, and educational content. Explore vehicles and learn about engineering with interactive AR challenges.
- AR model interaction
- Realistic sound effects
- Robotics and engineering learning
- Racing car simulations
- Interactive mini-games
- Life-size model viewing
- X-ray view
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Take your LEGO® Technic™ experience to a new level of realism: • Get unique experiences designed especially for each LEGO Technic AR model. • Enjoy realistic sound effects and lifelike features and functions. • Learn about robotics, engineering, rock sampling and more when you combine the AR app with the LEGO Technic NASA Mars Rover Perseverance (42158) model. • Explore LEGO Technic racing cars using the AR app to see the racetrack appear in front of you as you test your racing skills, play mini-games and beat your own record, and see trackside features like pitstops or grandstands appear (dependent on the model you are playing with). • Take the Yamaha MT-10 SP for a test drive in AR with throttle, brakes, gear shifting and driver dashboard, all based on the real Yamaha controls. See how the real vehicle or the LEGO model would look, life-size in your room, or use the x-ray view to see inside the motorcycle. Here are some models you can explore with the AR app… • LEGO Technic Formula E® Porsche 99X Electric (42137) • LEGO Technic Ford Mustang Shelby® GT500® (42138) • LEGO Technic NASA Mars Rover Perseverance (42158) • LEGO Technic Yamaha MT-10 SP (42159) … and the list keeps growing! (Remember that each of these sets is sold separately.) Each of these models comes with its own unique AR experience. Whether it’s the Yamaha MT-10 SP, the Formula E Porsche race car, the Ford Mustang Shelby GT500 or the NASA Mars Rover Perseverance, you’ll be able to put your skills to the test with augmented realism. Is your device compatible? Please go to LEGO.com/devicecheck to check if your device is compatible. Ask your parents’ permission before going online. For app support, contact LEGO Consumer Service. For contact details, refer to http://service.LEGO.com/contactus Our privacy policy and terms of use for apps are accepted if you download this app. Read more on http://aboutus.LEGO.com/legal-notice/privacy-policy and http://aboutus.LEGO.com/legal-notice/terms-of-use-for-apps LEGO and the LEGO logo are trademarks of the LEGO Group. ©2023 The LEGO Group. Under license of Porsche AG. Formula E is a trademark of Formula E Holdings Ltd. Ford Motor Company Trademarks and Trade Dress used under license to the LEGO Group. Shelby® and GT500® are registered trademarks of Carroll Shelby Licensing, Inc. and used under license. NASA Insignia and identifiers provided and used with permission of NASA. JPL logo provided and used with permission of the California Institute of Technology. Yamaha, the Tuning Fork Mark, MT-10 SP and the likeness there of are trademarks of Yamaha Motor Corp., USA & Yamaha Motor Co., Ltd used under license.
Screenshots
Verdict
The clearest difference is update cadence: LEGO® TECHNIC® AR at every 2 months against Fiends's every 45 months. LEGO® TECHNIC® AR also leads on ratings volume (3.1K vs 5) and iOS requirement (13.0 vs 15.0). Fiends's advantage is review sentiment (100% vs 72%) and rating (5.0 vs 4.7). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Fiends holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: LEGO® TECHNIC® AR has 3.1K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 100% of Fiends's written reviews are positive against 72% of LEGO® TECHNIC® AR's.
Fiends ships an update every 45 months, LEGO® TECHNIC® AR every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Fiends | LEGO® TECHNIC® AR |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | 4.7 (3.1K ratings) |
| Positive reviews | 100.0% of reviews — better | 72.4% of reviews |
| Number of ratings | 5 | 3.1K — better |
| Update frequency | Every 45 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 75 MB | 853 MB |
| Age rating | 4+ | 4+ |
| Developer | Brian Kammourieh | LEGO |
Customer experience
Fiends
LEGO® TECHNIC® AR
Bugs and requests
Fiends
Not enough reviews yet to summarise bugs or requests.
LEGO® TECHNIC® AR
Reported bugs
3 issues- Freezing and crashing issues
- Inability to scan or detect models
- Glitchy track movement and positioning
Requested features
4 requests- More compatible LEGO sets
- Additional tracks and modes
- Offline or standalone gameplay
- Improved scanning and stability
In-app purchases
Fiends
No in-app purchases
LEGO® TECHNIC® AR
No in-app purchases









