# 暗礁计算器 vs SystemBatteryAnalysis

The clearest difference is in-app purchases: 暗礁计算器 at none against SystemBatteryAnalysis's 3. 暗礁计算器 also leads on iOS requirement (13.0 vs 16.1). On price, ads and device support there is nothing between them.

Both are free to download. SystemBatteryAnalysis sells 3 one-off in-app purchases. 暗礁计算器 asks for nothing beyond the download.

## The numbers

| Metric | 暗礁计算器 | SystemBatteryAnalysis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (201 ratings)](https://appshunter.io/ios/app/systembatteryanalysis/id6752317272/reviews)** |
| Number of ratings | — | **201** |
| Positive reviews | — | 45.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 6 days |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 162 MB |
| Requires iOS | **13.0** | 16.1 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [浩源 陈](https://appshunter.io/developer/1665506236) | [Zhangsan Software Co., Ltd., Enshi Prefecture, Hubei Province](https://appshunter.io/developer/1838713545) |

## What reviewers say

### 暗礁计算器

[App page](https://appshunter.io/ios/app/id6748670022)

**Features:** Apple Watch app

**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 暗礁计算器 free?

暗礁计算器 is free to download, with no in-app purchases.

### Is SystemBatteryAnalysis free?

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

### Do 暗礁计算器 or SystemBatteryAnalysis have ads?

Neither 暗礁计算器 nor SystemBatteryAnalysis shows ads.

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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.*