# Aetherline Protocol vs Doodle Defenders

The clearest difference is ads: Doodle Defenders at none against Aetherline Protocol's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Aetherline Protocol sells 4 one-off in-app purchases and Doodle Defenders sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Aetherline Protocol ships an update every 9 days, Doodle Defenders every 2 weeks. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Aetherline Protocol | Doodle Defenders |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/doodle-defenders/id6794894322/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 31 MB | 141 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 9+ |
| Developer | [Le Nguyen](https://appshunter.io/developer/1871997463) | [Prickle Pear Games](https://appshunter.io/developer/6794894324) |

## 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 |


### Doodle Defenders

[App page](https://appshunter.io/ios/app/doodle-defenders/id6794894322)

Engage in an action-packed survival auto-shooter where you defend a notebook page as a doodle. Level up, unlock new weapons and abilities, and fuse gear for devastating combos to survive relentless enemy swarms. Each playthrough offers a unique experience with varied upgrades.

**Highlights:** Survival auto-shooter gameplay, Level up and choose new weapons, Unlock and combine abilities, Devastating gear fusions, Unique runs with varied upgrades

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game Unlock | $2.99 | one-time |


## Frequently asked questions

### Is Aetherline Protocol free?

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

### Is Doodle Defenders free?

Doodle Defenders is free to download, with in-app purchases available.

### Do Aetherline Protocol or Doodle Defenders have ads?

Aetherline Protocol shows ads; Doodle Defenders does not.

### Which is updated more often, Aetherline Protocol or Doodle Defenders?

Aetherline Protocol ships an update every 9 days, and Doodle Defenders every 2 weeks. Most recently, Aetherline Protocol was updated on October 7, 2026 and Doodle Defenders on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*