# CS vs Pro

The clearest difference is update cadence: Pro at fortnightly against CS's every 5 weeks. CS's advantage is iOS requirement (12.0 vs 14.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CS ships an update every 5 weeks, Pro fortnightly. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CS | Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 18 MB | 1 MB |
| Requires iOS | **12.0** | 14.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Forster Individual Batteries GmbH](https://appshunter.io/developer/1568985596) | [Haidi Energy Tehcnogy Co., Ltd](https://appshunter.io/developer/1645467042) |

## What reviewers say

### CS

[App page](https://appshunter.io/ios/app/cs-batteries-smart-connect/id6479569677)

Monitor your lithium batteries directly from your phone via Bluetooth. View key battery information like charge, voltage, and current, along with detailed status and cell voltages. Customize battery names and access company information.

**Highlights:** Real-time battery monitoring via Bluetooth, Displays charge, voltage, current, and power, Detailed battery status and cell voltage, Customizable battery names, Company information access

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

**In-app purchases:** none


### Pro

[App page](https://appshunter.io/ios/app/pro-user/id6504571751)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CS free?

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

### Is Pro free?

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

### Do CS or Pro have ads?

Neither CS nor Pro shows ads.

### Which is updated more often, CS or Pro?

CS ships an update every 5 weeks, and Pro fortnightly. Most recently, CS was updated on October 12, 2026 and Pro 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.*