# Aetherline Protocol vs NEON SKY

The clearest difference is in-app purchases: NEON SKY at none against Aetherline Protocol's 4. NEON SKY also leads on update cadence (every 3 days vs every 9 days) and iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Aetherline Protocol sells 4 one-off in-app purchases. NEON SKY asks for nothing beyond the download.

Aetherline Protocol ships an update every 9 days, NEON SKY every 3 days. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Aetherline Protocol | NEON SKY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Every 3 days** |
| Size | 31 MB | 193 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Le Nguyen](https://appshunter.io/developer/1871997463) | [ALWAYS](https://appshunter.io/developer/1863087455) |

## What reviewers say

### Aetherline Protocol

[App page](https://appshunter.io/ios/app/aetherline-protocol/id6786246670)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aether Cache | $0.99 | one-time |
| Aether Vault | $4.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Aether Reactor | $9.99 | one-time |


### NEON SKY

[App page](https://appshunter.io/ios/app/neon-sky-wingmate-shooter/id6786992295)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aetherline Protocol free?

Aetherline Protocol is free to download, with in-app purchases available.

### Is NEON SKY free?

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

### Do Aetherline Protocol or NEON SKY have ads?

Both Aetherline Protocol and NEON SKY show ads.

### Which is updated more often, Aetherline Protocol or NEON SKY?

Aetherline Protocol ships an update every 9 days, and NEON SKY every 3 days. Most recently, Aetherline Protocol was updated on October 7, 2026 and NEON SKY on October 9, 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.*