# Idle Server Defender vs Echo Planet

The clearest difference is in-app purchases: Idle Server Defender at none against Echo Planet's 2. Echo Planet's advantage is update cadence (every 3 days vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Echo Planet sells 2 one-off in-app purchases. Idle Server Defender asks for nothing beyond the download.

Idle Server Defender ships an update weekly, Echo Planet every 3 days. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Idle Server Defender | Echo Planet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (23 ratings)](https://appshunter.io/ios/app/echo-planet-incremental-game/id6756530491/reviews)** |
| Number of ratings | — | **23** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 169 MB | 96 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Thijs de Rechter](https://appshunter.io/developer/1835418078) | [Mustafa Mohammed](https://appshunter.io/developer/967586964) |

## What reviewers say

### Idle Server Defender

[App page](https://appshunter.io/ios/app/idle-server-defender/id6751500850)

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

**In-app purchases:** none


### Echo Planet

[App page](https://appshunter.io/ios/app/echo-planet-incremental-game/id6756530491)

Transform a planet into a star by forging moons that channel power to its core. Upgrade your celestial bodies, stack multipliers, and witness your energy output grow exponentially, even when you're not actively playing. This idle game offers a satisfying progression from small sparks to galaxy-scale power.

**Highlights:** Forge moons to power a planetary core, Upgrade moons and stack multipliers, Idle progression, play offline, Watch signal surge from sparks to galaxy-scale, Transform planet into a star

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gold Supporter Pack | $2.99 | one-time |
| Diamond Supporter Pack | $5.99 | one-time |


## Frequently asked questions

### Is Idle Server Defender free?

Idle Server Defender is free to download, with no in-app purchases.

### Is Echo Planet free?

Echo Planet is free to download, with in-app purchases available.

### Do Idle Server Defender or Echo Planet have ads?

Both Idle Server Defender and Echo Planet show ads.

### Which is updated more often, Idle Server Defender or Echo Planet?

Idle Server Defender ships an update weekly, and Echo Planet every 3 days. Most recently, Idle Server Defender was updated on October 7, 2026 and Echo Planet on October 3, 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.*