# BLA lithium vs Eye on the Reef

The clearest difference is update cadence: Eye on the Reef at every 15 months against BLA lithium's every 43 months. BLA lithium's advantage is iOS requirement (10.0 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.

BLA lithium ships an update every 43 months, Eye on the Reef every 15 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | BLA lithium | Eye on the Reef |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | **Every 15 months** |
| Monetization | Free | — |
| Size | 12 MB | 2 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Bob Littler Agencies Pty Ltd.](https://appshunter.io/developer/1560592805) | [GREAT BARRIER REEF MARINE PARK AUTHORITY](https://appshunter.io/developer/1447443022) |

## What reviewers say

### BLA lithium

[App page](https://appshunter.io/ios/app/bla-lithium/id1560592803)

Connect to your BLA Lithium Ion batteries wirelessly from your phone. Monitor battery health, track cycle life, and view real-time data like State of Charge, voltage, current, and temperature. Receive alerts for battery events.

**Highlights:** Wireless battery connection, Independent BMS access, Track cycle life, View State of Charge (SOC), Display voltage, current, and temperature, Battery event alerts

**In-app purchases:** none


### Eye on the Reef

[App page](https://appshunter.io/ios/app/eye-on-the-reef/id6474228327)

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

**In-app purchases:** none


## Frequently asked questions

### Is BLA lithium free?

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

### Is Eye on the Reef free?

Eye on the Reef is free to download, with no in-app purchases.

### Do BLA lithium or Eye on the Reef have ads?

Neither BLA lithium nor Eye on the Reef shows ads.

### Which is updated more often, BLA lithium or Eye on the Reef?

BLA lithium ships an update every 43 months, and Eye on the Reef every 15 months. Most recently, BLA lithium was updated on November 3, 2026 and Eye on the Reef on November 4, 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.*