# POWERUP 4.0 vs MoodWatch

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.

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

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.

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.

## The numbers

| Metric | POWERUP 4.0 | MoodWatch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (125 ratings)](https://appshunter.io/ios/app/powerup-40/id1521055394/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/moodwatch-mood-ring/id6821476704/reviews)** |
| Number of ratings | **125** | 1 |
| Positive reviews | 45.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 143 MB | 4 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Tailor Toys LTD](https://appshunter.io/developer/740714582) | [Super, Inc.](https://appshunter.io/developer/439129974) |

## What reviewers say

### POWERUP 4.0

[App page](https://appshunter.io/ios/app/powerup-40/id1521055394)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### MoodWatch

[App page](https://appshunter.io/ios/app/moodwatch-mood-ring/id6821476704)

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:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*