# SystemBatteryAnalysis vs esimfan

The clearest difference is in-app purchases: esimfan at none against SystemBatteryAnalysis's 3. SystemBatteryAnalysis's advantage is update cadence (every 6 days vs fortnightly). 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. esimfan asks for nothing beyond the download.

SystemBatteryAnalysis ships an update every 6 days, esimfan fortnightly. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | SystemBatteryAnalysis | esimfan |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 162 MB | 35 MB |
| Requires iOS | 16.1 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Zhangsan Software Co., Ltd., Enshi Prefecture, Hubei Province](https://appshunter.io/developer/1838713545) | [A-GREAT TECHNOLOGY PTE. LTD.](https://appshunter.io/developer/1837101515) |

## What reviewers say

### 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 |


### esimfan

[App page](https://appshunter.io/ios/app/esimfan/id6760538971)

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

**In-app purchases:** none


## Frequently asked questions

### Is SystemBatteryAnalysis free?

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

### Is esimfan free?

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

### Do SystemBatteryAnalysis or esimfan have ads?

Neither SystemBatteryAnalysis nor esimfan shows ads.

### Which is updated more often, SystemBatteryAnalysis or esimfan?

SystemBatteryAnalysis ships an update every 6 days, and esimfan fortnightly. Most recently, SystemBatteryAnalysis was updated on October 25, 2026 and esimfan on October 17, 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.*