# AG LITHIUM vs CS

The clearest difference is update cadence: CS at every 5 weeks against AG LITHIUM's every 9 months. AG LITHIUM's advantage is iOS requirement (12.0 vs 15.0). 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.

AG LITHIUM ships an update every 9 months, CS every 5 weeks. The most recent releases landed on October 27, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | AG LITHIUM | CS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 42 MB | 8 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AG AUTOMOTIVE GmbH](https://appshunter.io/developer/1581086009) | [Forster Individual Batteries GmbH](https://appshunter.io/developer/1568985596) |

## What reviewers say

### AG LITHIUM

[App page](https://appshunter.io/ios/app/ag-lithium/id1582129708)

**Features:** macOS Compatibility

**In-app purchases:** none


### CS

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

Monitor your lithium battery's performance directly from your phone. View key metrics like charge, voltage, and current, along with detailed battery information and settings. Connects via Bluetooth 5.0 for convenient, real-time data access.

**Highlights:** Real-time battery monitoring, View State of Charge, Voltage, Current, Power, Access detailed battery info (Status, Cycles, Switches), Modify battery name, Bluetooth 5.0 connectivity, Company contact and website information

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

**In-app purchases:** none


## Frequently asked questions

### Is AG LITHIUM free?

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

### Is CS free?

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

### Do AG LITHIUM or CS have ads?

Neither AG LITHIUM nor CS shows ads.

### Which is updated more often, AG LITHIUM or CS?

AG LITHIUM ships an update every 9 months, and CS every 5 weeks. Most recently, AG LITHIUM was updated on October 27, 2026 and CS on November 8, 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.*