# Shadow Caster Lighting vs Abyss

The clearest difference is iOS requirement: Abyss at 13.0 against Shadow Caster Lighting's 15.0. 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 30, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Shadow Caster Lighting | Abyss |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/abyss-infinite/id6747150343/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free |
| Size | 4 MB | 36 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) | [TBB Power Co., Ltd](https://appshunter.io/developer/1089239531) |

## 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

[App page](https://appshunter.io/ios/app/abyss-infinite/id6747150343)

Monitor your device's battery, system diagnostics, and charger status. This app also allows for wireless firmware updates for compatible devices, all managed from your mobile phone.

**Highlights:** Real-time battery data, System diagnostics, Charger status monitoring, Wireless firmware updates, Mobile device management

**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 free?

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

### Do Shadow Caster Lighting or Abyss have ads?

Neither Shadow Caster Lighting nor Abyss shows ads.

### Which is updated more often, Shadow Caster Lighting or Abyss?

Shadow Caster Lighting ships an update every 2 months, and Abyss every 2 months. Most recently, Shadow Caster Lighting was updated on September 30, 2026 and Abyss on September 15, 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.*