Comparison

POWERUP 4.0 vs MoodWatch

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

Head to head
About

POWERUP 4.0

Transform paper airplanes into smart, controllable flying machines. Experience smooth, intuitive flight with advanced sensors and dual motors. Master aerobatics, track flight data, and enjoy night flying with optional LEDs.

Highlights
  • On-board flight computer
  • Gyro and accelerometer sensors
  • Dual thrust vectoring motors
  • Auto-looping aerobatics
  • Real-time flight analytics
  • Optional LED lights
  • Wheeled takeoff and landing
Features
Read full description

POWERUP 4.0 is the smartest, most intuitive paper plane kit we’ve ever made. It makes it possible to fly with ease and smoothness in a variety of conditions. Say goodbye to nosedives and choppy flights. We’ve added a new on-board flight computer and 2 new sensors: gyro and accelerometer, combined with 2 thrust vectoring motors. That means flying POWERUP 4.0 is smoother than ever, and can now do all this: That’s right. POWERUP 4.0 can auto-loop. So you can master tricks and awesome aerobatics by simply pressing a button. We’ve added 2 high speed motors to POWERUP 4.0. That means you’ve got double the thrust, additional maneuvering possibilities, and sharper turns. And together with the flight assist, you can fly just about anything Now you can learn to fly like a pro. We’re showing you real-time analytics including heading direction, thrust level and turning angles. We’ve made it a lot easier and way cooler to fly POWERUP 4.0 at night. Optional LED lights will enable you to light up the night - making for awesome visuals and round-the-clock fun. 2 rear wheels and 1 front wheel give your paper plane more style and make for easier takeoff and landing. They also make it possible to launch off of a surface rather than hand-launching. We partnered with the best RC hobby vloggers on the planet – FliteTest! They have put together their incredibly creative minds to develop a foam jet inspired by the F22 for the 4.0. It is made from a special laser cut foam board they created and make in the USA. Intuitive control makes it easy to fly. Simply tilt your phone in the direction you want your plane to fly. It’s really that easy. POWERUP is an incredibly helpful tool when it comes to teaching and learning aeronautics. Students can test multiple designs, analyze their work and improve their planes. Through trial and error, they can understand what makes their plane fly smoother, longer and farther- key lessons in airplane design.

About

MoodWatch

This app reimagines the classic mood ring using your real biometric data. It displays your emotional state as a dynamic color jewel on your wrist, shifting based on your heart rate and heart-rate variability. Includes guided breathing exercises for moments of calm.

Highlights
  • Living color jewel display
  • Biometric data integration (HRV, heart rate)
  • Valence and arousal model mapping
  • Watch face complication
  • Guided breathing exercises
  • Glanceable and beautiful design
Features
Read full description

Remember the mood ring? MoodWatch brings it to your wrist, reimagined with your real biometrics. Your heart rate and heart-rate variability become a living color jewel that shifts and swirls with how you feel: cool blues when you are calm, vivid greens in flow, warm reds when you are stressed, deep indigo when you are drained. It is the 70s mood ring, reborn and grounded in your body. A LIVING MOOD RING - A glowing jewel that melts between mood colors as your body changes - Built on the valence and arousal model: HRV (calm to stressed) and heart rate (low to high energy) - A complication for your watch face, so your mood is a glance away TAP TO BREATHE Take a guided breath, inhale four and exhale six, and MoodWatch earns a fresh reading as the jewel settles into your true state. A tiny moment of calm, whenever you need it. GLANCEABLE AND BEAUTIFUL - Mood-ring colors, honestly mapped - Elegant Instrument Serif type - Add the Mood complication to any watch face MoodWatch is a wellness and mindfulness companion. It is not a medical device and does not diagnose, treat, cure, or monitor any condition. Always consult a professional for health concerns. Your heart data stays on your device.

Screenshots

POWERUP 4.04 screens
MoodWatch4 screens

Verdict

The call

The clearest difference is rating: MoodWatch at 5.0 against POWERUP 4.0's 3.8. MoodWatch also leads on update cadence (daily vs every 3 weeks) and monetization model (free vs free with in-app purchases). POWERUP 4.0's advantage is ratings volume (125 vs 1) and iOS requirement (15.6 vs 17.0). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

MoodWatch holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: POWERUP 4.0 has 125 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

POWERUP 4.0 ships an update every 3 weeks, MoodWatch daily. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

Scorecard5 real differences · 5 level
POWERUP 4.0 versus MoodWatch: the parameters behind the verdict, then further details
ParameterPOWERUP 4.0MoodWatch
PriceFreeFree
Rating3.8 (125 ratings)5.0 (1 ratings) — better
Positive reviews45.0% of reviews—
Number of ratings125 — better1
Update frequencyEvery 3 weeksDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS15.6 — better17.0
Further details — not scored
Size143 MB4 MB
Age rating4+4+
DeveloperTailor Toys LTDSuper, Inc.

Customer experience

POWERUP 4.0

All ratings125 ratings
Positive67.2%
Neutral6.4%
Negative26.4%
Written reviews60 reviews
Positive45.0%
Neutral11.7%
Negative43.3%

MoodWatch

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

POWERUP 4.0

No in-app purchases

None

MoodWatch

No in-app purchases

Questions

Is POWERUP 4.0 free?
POWERUP 4.0 is free to download, with no in-app purchases.
Is MoodWatch free?
MoodWatch is free to download, with no in-app purchases.
Which has better reviews, POWERUP 4.0 or MoodWatch?
MoodWatch is rated higher. POWERUP 4.0 averages 3.8 out of 5 from 125 ratings, while MoodWatch averages 5.0 from 1 ratings.
Do POWERUP 4.0 or MoodWatch have ads?
Neither POWERUP 4.0 nor MoodWatch shows ads.
Which is updated more often, POWERUP 4.0 or MoodWatch?
POWERUP 4.0 ships an update every 3 weeks, and MoodWatch daily. Most recently, POWERUP 4.0 was updated on November 3, 2026 and MoodWatch on November 6, 2026.

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