# E vs LuckRing

The clearest difference is rating: LuckRing at 2.2 against E's 1.4. LuckRing also leads on review sentiment (23% vs 0%) and ratings volume (345 vs 17). E's advantage is in-app purchases (none vs 5) and iOS requirement (10.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. LuckRing sells 5 one-off in-app purchases. E asks for nothing beyond the download.

LuckRing holds the better App Store score, 2.2 against 1.4. That said, the two scores are not equally well evidenced: LuckRing has 345 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 0% of E's written reviews are positive against 23% of LuckRing's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 4, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | E | LuckRing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.4 (17 ratings)](https://appshunter.io/ios/app/e-life-explorer/id1658704372/reviews) | **[2.2 (345 ratings)](https://appshunter.io/ios/app/luckring/id6472891975/reviews)** |
| Number of ratings | 17 | **345** |
| Positive reviews | 0.0% of reviews | **22.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 130 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [师松 梁](https://appshunter.io/developer/922518056) | [Shenzhen Coolwear Technology Co., LTD](https://appshunter.io/developer/1530652906) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-life-explorer/id1658704372)

This app controls a multi-functional E-life device. It simulates sunrise and sunset for better sleep, acts as a Bluetooth speaker, and offers customizable night light modes. Wake up gently and relax with ambient sounds.

**Highlights:** Sunrise alarm simulation, Bluetooth speaker functionality, 15 built-in sleep aid sounds, Sunset simulation for relaxation, Customizable night light modes, Easy device setup and control

**In-app purchases:** none


### LuckRing

[App page](https://appshunter.io/ios/app/luckring/id6472891975)

This smart wearable device combines technology and fashion to offer users convenient functions and personalized experiences. It is important to note that this is not a professional medical device, and its data is for reference only.

**Highlights:** Smart wearable device, Combines technology and fashion, Convenient functions, Personalized experiences, Reference health data

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 次卡 | $0.99 | one-time |
| Vip 月卡 | $1.99 | one-time |
| 季卡 | $2.99 | one-time |
| Vip 年卡 | $3.99 | one-time |
| 永久卡 | $6.99 | one-time |

**What reviewers like**

- 🚀 Accurate health metrics
- 🔒 Reliable Bluetooth connection
- 👍 Comfortable and stylish design
- 💡 Gesture controls for media
- 👍 Comprehensive health tracking

**What reviewers complain about**

- 🐛 Inconsistent sleep tracking
- 🐛 Glitchy app updates
- 👎 Limited workout options
- 👎 Confusing sleep stage terminology
- 🔋 Shorter battery life after updates

**Reported bugs**

- App login/registration issues
- Disconnection problems
- Data loss after app updates
- Inaccurate step/activity tracking

**Requested features**

- Option to change temperature unit
- Weekly/monthly health data reporting
- Automatic nap detection
- Ability to sync with Apple Health


## Frequently asked questions

### Is E free?

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

### Is LuckRing free?

LuckRing is free to download, with in-app purchases available.

### Which has better reviews, E or LuckRing?

LuckRing is rated higher. E averages 1.4 out of 5 from 17 ratings, while LuckRing averages 2.2 from 345 ratings.

### Do E or LuckRing have ads?

Neither E nor LuckRing shows ads.

### Which is updated more often, E or LuckRing?

E ships an update every 3 weeks, and LuckRing every 3 weeks. Most recently, E was updated on October 4, 2026 and LuckRing on October 17, 2026.

---

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