# Century Lithium Pro vs Cyclops BTI

The clearest difference is iOS requirement: Century Lithium Pro at 15.6 against Cyclops BTI'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.

Century Lithium Pro ships an update every 4 months, Cyclops BTI every 5 months. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Century Lithium Pro | Cyclops BTI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Free | — |
| Size | 7 MB | 5 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Century Yuasa Batteries Pty. Limited](https://appshunter.io/developer/1617417268) | [Cyclops Security Systems](https://appshunter.io/developer/1549157960) |

## What reviewers say

### Century Lithium Pro

[App page](https://appshunter.io/ios/app/century-lithium-pro/id1617417266)

Monitor your Century Deep Cycle LFP battery's performance in real-time via Bluetooth. View state of charge, voltage, current, temperature, and individual cell voltages. Receive alerts for any battery status abnormalities.

**Highlights:** Real-time battery monitoring, State of Charge (SOC) display, Voltage and current tracking, Battery temperature monitoring, Individual cell voltage readings, Battery status alerts, Customizable battery naming

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

**In-app purchases:** none


### Cyclops BTI

[App page](https://appshunter.io/ios/app/cyclops-bti/id6499003165)

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

**In-app purchases:** none


## Frequently asked questions

### Is Century Lithium Pro free?

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

### Is Cyclops BTI free?

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

### Do Century Lithium Pro or Cyclops BTI have ads?

Neither Century Lithium Pro nor Cyclops BTI shows ads.

### Which is updated more often, Century Lithium Pro or Cyclops BTI?

Century Lithium Pro ships an update every 4 months, and Cyclops BTI every 5 months. Most recently, Century Lithium Pro was updated on October 30, 2026 and Cyclops BTI on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*