# Power Sensor vs Crazy Meter

Power Sensor and Crazy Meter are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on June 8, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | Power Sensor | Crazy Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (14 ratings)](https://appshunter.io/ios/app/power-sensor/id990875399/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 11.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 16 MB | 69 MB |
| Requires iOS | **7.0** | 8.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [永坚 郑](https://appshunter.io/developer/1086839265) | [Alan Charbonneau](https://appshunter.io/developer/1030967579) |

## What reviewers say

### 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


### Crazy Meter

[App page](https://appshunter.io/ios/app/crazy-meter/id1030967580)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Power Sensor free?

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

### Is Crazy Meter free?

Crazy Meter is free to download, with no in-app purchases.

### Do Power Sensor or Crazy Meter have ads?

Neither Power Sensor nor Crazy Meter shows ads.

### Which is updated more often, Power Sensor or Crazy Meter?

Power Sensor ships an update every 3 weeks, and Crazy Meter every 3 weeks. Most recently, Power Sensor was updated on June 8, 2026 and Crazy Meter on May 17, 2026.

---

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