# Aetherline Protocol vs Altitude Zero

The clearest difference is iOS requirement: Aetherline Protocol at 17.6 against Altitude Zero's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Aetherline Protocol sells 4 one-off in-app purchases and Altitude Zero sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Aetherline Protocol ships an update every 9 days, Altitude Zero every 6 days. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Aetherline Protocol | Altitude Zero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/altitude-zero-neon-shooter/id6787132738/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 31 MB | 28 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Le Nguyen](https://appshunter.io/developer/1871997463) | [DeadPixel Studio UG (haftungsbeschrankt)](https://appshunter.io/developer/1829037025) |

## 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 |


### Altitude Zero

[App page](https://appshunter.io/ios/app/altitude-zero-neon-shooter/id6787132738)

Pilot a jet through neon-lit canyons in this fast-paced vertical shooter. Dodge obstacles, defeat enemies, and upgrade your aircraft. Enjoy short, intense sessions with a focus on high scores.

**Highlights:** One-thumb controls (gyro or touch), Score-based difficulty sectors, 22 unlockable aircraft, Dynamic weather effects, Two distinct maps, Power-ups and escort support, Offline play

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pocket Stash | $0.99 | one-time |
| Starter Cache | $3.99 | one-time |
| Remove Ads | $3.99 | one-time |
| Pilot Crate | $9.99 | one-time |
| Commander Vault | $19.99 | one-time |
| Fleet Reserve | $49.99 | one-time |


## Frequently asked questions

### Is Aetherline Protocol free?

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

### Is Altitude Zero free?

Altitude Zero is free to download, with in-app purchases available.

### Do Aetherline Protocol or Altitude Zero have ads?

Both Aetherline Protocol and Altitude Zero show ads.

### Which is updated more often, Aetherline Protocol or Altitude Zero?

Aetherline Protocol ships an update every 9 days, and Altitude Zero every 6 days. Most recently, Aetherline Protocol was updated on October 7, 2026 and Altitude Zero on October 12, 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.*