# Shadow Caster Lighting vs ABYSS BATTERY PRO

The clearest difference is update cadence: Shadow Caster Lighting at every 2 months against ABYSS BATTERY PRO's every 4 months. ABYSS BATTERY PRO's advantage is iOS requirement (13.0 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.

Shadow Caster Lighting ships an update every 2 months, ABYSS BATTERY PRO every 4 months. The most recent releases landed on September 11, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Shadow Caster Lighting | ABYSS BATTERY PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/abyss-battery-pro/id6751563602/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | — | Free |
| Size | 4 MB | 46 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shadow-caster Led Lighting LLC](https://appshunter.io/developer/1674072530) | [Abyss Battery, Inc.](https://appshunter.io/developer/1594681469) |

## What reviewers say

### Shadow Caster Lighting

[App page](https://appshunter.io/ios/app/shadow-caster-lighting/id6445830918)

**Features:** macOS Compatibility

**In-app purchases:** none


### ABYSS BATTERY PRO

[App page](https://appshunter.io/ios/app/abyss-battery-pro/id6751563602)

Monitor your lithium battery system in real-time. View state of charge, voltage, current, temperature, and protection status. Designed for reliability in demanding environments.

**Highlights:** Live State of Charge (%), Real-time voltage, current, and temperature, Charge/discharge status, BMS protection alerts, Bluetooth Low Energy connection, Daylight-readable interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Shadow Caster Lighting free?

Shadow Caster Lighting is free to download, with no in-app purchases.

### Is ABYSS BATTERY PRO free?

ABYSS BATTERY PRO is free to download, with no in-app purchases.

### Do Shadow Caster Lighting or ABYSS BATTERY PRO have ads?

Neither Shadow Caster Lighting nor ABYSS BATTERY PRO shows ads.

### Which is updated more often, Shadow Caster Lighting or ABYSS BATTERY PRO?

Shadow Caster Lighting ships an update every 2 months, and ABYSS BATTERY PRO every 4 months. Most recently, Shadow Caster Lighting was updated on September 11, 2026 and ABYSS BATTERY PRO on September 21, 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.*