# e锁 vs SystemBatteryAnalysis

The clearest difference is review sentiment: e锁 at 100% against SystemBatteryAnalysis's 45%. e锁 also leads on in-app purchases (none vs 3). SystemBatteryAnalysis's advantage is rating (4.4 vs 2.5) and update cadence (every 4 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SystemBatteryAnalysis sells 3 one-off in-app purchases. e锁 asks for nothing beyond the download.

SystemBatteryAnalysis holds the better App Store score, 4.4 against 2.5. That said, the two scores are not equally well evidenced: SystemBatteryAnalysis has 124 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 100% of e锁's written reviews are positive against 45% of SystemBatteryAnalysis's, so the app with the better star average is not the one people write more warmly about.

e锁 ships an update every 3 weeks, SystemBatteryAnalysis every 4 days. The most recent releases landed on September 8, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | e锁 | SystemBatteryAnalysis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/e/id1315580393/reviews) | **[4.4 (124 ratings)](https://appshunter.io/ios/app/systembatteryanalysis/id6752317272/reviews)** |
| Number of ratings | 2 | **124** |
| Positive reviews | **100.0% of reviews** | 45.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 162 MB | 130 MB |
| Requires iOS | **15.0** | 16.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Hangzhou National Info-Tech Co.,Ltd.](https://appshunter.io/developer/1315580392) | [Zhangsan Software Co., Ltd., Enshi Prefecture, Hubei Province](https://appshunter.io/developer/1838713545) |

## What reviewers say

### e锁

[App page](https://appshunter.io/ios/app/e/id1315580393)

This utility app provides secure and convenient access control for temporary residents and multiple users within a property. It allows administrators to manage entry permissions and monitor lock status in real-time via a cloud platform. Users can check lock battery, software version, and access rights through the mobile application.

**Highlights:** Remote door unlocking, Permission management for temporary users, Real-time lock status monitoring, Battery level and software version checks, Secure cloud platform integration

**Features:** Vision Pro support

**In-app purchases:** none


### SystemBatteryAnalysis

[App page](https://appshunter.io/ios/app/systembatteryanalysis/id6752317272)

This utility app offers in-depth battery health analysis for iOS devices. It provides real-time insights into capacity, cycle count, temperature, and performance optimization. Track historical trends and understand battery usage for better device management.

**Highlights:** Real-time battery health analysis, Device performance optimization, Historical trend tracking, Detailed battery life interpretation, Battery origin verification, Charging power calibration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Software service | $0.99 | one-time |
| Pro | $2.99 | one-time |
| Pro-Version | $3.99 | one-time |


## Frequently asked questions

### Is e锁 free?

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

### Is SystemBatteryAnalysis free?

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

### Which has better reviews, e锁 or SystemBatteryAnalysis?

SystemBatteryAnalysis is rated higher. e锁 averages 2.5 out of 5 from 2 ratings, while SystemBatteryAnalysis averages 4.4 from 124 ratings.

### Do e锁 or SystemBatteryAnalysis have ads?

Neither e锁 nor SystemBatteryAnalysis shows ads.

### Which is updated more often, e锁 or SystemBatteryAnalysis?

e锁 ships an update every 3 weeks, and SystemBatteryAnalysis every 4 days. Most recently, e锁 was updated on September 8, 2026 and SystemBatteryAnalysis on September 23, 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.*