# STAR Lithium vs Discover Douglas

The clearest difference is iOS requirement: STAR Lithium at 11.0 against Discover Douglas's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

STAR Lithium ships an update every 6 weeks, Discover Douglas every 2 months. The most recent releases landed on September 21, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | STAR Lithium | Discover Douglas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/star-lithium/id1605868775/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 35 MB | 142 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [应刚 郑](https://appshunter.io/developer/1446858821) | [City of Douglas (Wyoming)](https://appshunter.io/developer/1784817555) |

## What reviewers say

### STAR Lithium

[App page](https://appshunter.io/ios/app/star-lithium/id1605868775)

Monitor your smart battery pack's performance remotely via Bluetooth. View real-time data like charging status, voltage, current, temperature, and remaining power. The app also provides hardware diagnostics and temperature unit switching.

**Highlights:** Real-time battery status monitoring, Voltage, current, and temperature readings, Remaining power percentage, Hardware short-circuit detection, Temperature unit switching, Smart battery distribution network

**Features:** macOS Compatibility

**In-app purchases:** none


### Discover Douglas

[App page](https://appshunter.io/ios/app/discover-douglas/id6739315607)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is STAR Lithium free?

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

### Is Discover Douglas free?

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

### Do STAR Lithium or Discover Douglas have ads?

Neither STAR Lithium nor Discover Douglas shows ads.

### Which is updated more often, STAR Lithium or Discover Douglas?

STAR Lithium ships an update every 6 weeks, and Discover Douglas every 2 months. Most recently, STAR Lithium was updated on September 21, 2026 and Discover Douglas on September 12, 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.*