# DayDay Band vs Power Sensor

The clearest difference is rating: DayDay Band at 3.1 against Power Sensor's 2.6. DayDay Band also leads on ratings volume (233 vs 14) and review sentiment (21% vs 12%). Power Sensor's advantage is iOS requirement (7.0 vs 9.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

DayDay Band holds the better App Store score, 3.1 against 2.6. That said, the two scores are not equally well evidenced: DayDay Band has 233 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 21% of DayDay Band's written reviews are positive against 12% of Power Sensor's.

DayDay Band ships an update monthly, Power Sensor every 3 weeks. The most recent releases landed on September 17, 2026 and June 8, 2026 respectively.

## The numbers

| Metric | DayDay Band | Power Sensor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (233 ratings)](https://appshunter.io/ios/app/dayday-band/id958871193/reviews)** | [2.6 (14 ratings)](https://appshunter.io/ios/app/power-sensor/id990875399/reviews) |
| Number of ratings | **233** | 14 |
| Positive reviews | **21.1% of reviews** | 11.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 32 MB | 16 MB |
| Requires iOS | 9.0 | **7.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | +4 | 4+ |
| Developer | [Shenzhen Ultra Easy Technology Co., Ltd.](https://appshunter.io/developer/958871192) | [永坚 郑](https://appshunter.io/developer/1086839265) |

## What reviewers say

### DayDay Band

[App page](https://appshunter.io/ios/app/dayday-band/id958871193)

Track your fitness and health with this companion app for a sport band. Monitor your daily activity, sleep patterns, and set personal goals. View your health data, including calorie burn, all in one place.

**Highlights:** Sports statistics, Sleep statistics, Sport goal setting, Calorie calculation, HealthKit integration, Bluetooth connectivity

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Good alternative to Fitbit
- 🚀 Accurate step tracking
- 💡 Customizable bands
- 👍 Simple and easy to use app

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔋 Poor battery life
- 🐛 Inaccurate sleep and heart rate tracking
- 🐛 Unreliable syncing with app

**Reported bugs**

- App crashes after firmware update
- Time and date not syncing properly
- Unable to find or contact customer support

**Requested features**

- Add more alarm options
- Integrate with Apple Health
- Display contact information on watch
- Improve notification handling


### Power Sensor

[App page](https://appshunter.io/ios/app/power-sensor/id990875399)

Sync your smart band data to your iPhone for real-time access to your daily sports statistics. Track your sleep patterns to improve rest quality and share your progress with friends.

**Highlights:** Syncs smart band data to iPhone, Real-time sport stats dashboard, Sleep time tracking, Sleep quality improvement, Share and compete with friends

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DayDay Band free?

DayDay Band is free to download, with no in-app purchases.

### Is Power Sensor free?

Power Sensor is free to download, with no in-app purchases.

### Which has better reviews, DayDay Band or Power Sensor?

DayDay Band is rated higher. DayDay Band averages 3.1 out of 5 from 233 ratings, while Power Sensor averages 2.6 from 14 ratings.

### Do DayDay Band or Power Sensor have ads?

Neither DayDay Band nor Power Sensor shows ads.

### Which is updated more often, DayDay Band or Power Sensor?

DayDay Band ships an update monthly, and Power Sensor every 3 weeks. Most recently, DayDay Band was updated on September 17, 2026 and Power Sensor on June 8, 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.*