# i集大 vs SystemBatteryAnalysis

The clearest difference is in-app purchases: i集大 at none against SystemBatteryAnalysis's 3. i集大 also leads on iOS requirement (11.0 vs 16.1). SystemBatteryAnalysis's advantage is update cadence (every 6 days vs every 6 weeks). On price, ads and device support there is nothing between them.

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

i集大 ships an update every 6 weeks, SystemBatteryAnalysis every 6 days. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | i集大 | SystemBatteryAnalysis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (190 ratings)](https://appshunter.io/ios/app/systembatteryanalysis/id6752317272/reviews)** |
| Number of ratings | — | **190** |
| Positive reviews | — | 45.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 91 MB | 157 MB |
| Requires iOS | **11.0** | 16.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jimei University](https://appshunter.io/developer/1651378670) | [Zhangsan Software Co., Ltd., Enshi Prefecture, Hubei Province](https://appshunter.io/developer/1838713545) |

## What reviewers say

### i集大

[App page](https://appshunter.io/ios/app/i/id6444003983)

**Features:** macOS Compatibility

**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 i集大 free?

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

### Is SystemBatteryAnalysis free?

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

### Do i集大 or SystemBatteryAnalysis have ads?

Neither i集大 nor SystemBatteryAnalysis shows ads.

### Which is updated more often, i集大 or SystemBatteryAnalysis?

i集大 ships an update every 6 weeks, and SystemBatteryAnalysis every 6 days. Most recently, i集大 was updated on October 6, 2026 and SystemBatteryAnalysis on October 14, 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.*