# Spider Invasion vs Alien Attack Idle Simulator 3D

The clearest difference is update cadence: Alien Attack Idle Simulator 3D at every 4 days against Spider Invasion's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Spider Invasion sells 10 in-app purchases, starting at $4.99 per 7 days and Alien Attack Idle Simulator 3D sells 11 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Spider Invasion ships an update monthly, Alien Attack Idle Simulator 3D every 4 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Spider Invasion | Alien Attack Idle Simulator 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (10 ratings)](https://appshunter.io/ios/app/spider-invasion-rpg-survival/id6572310027/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 217 MB | 175 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TapNation](https://appshunter.io/developer/1483575279) | [APPWILL COMPANY LTD](https://appshunter.io/developer/1761313938) |

## What reviewers say

### Spider Invasion

[App page](https://appshunter.io/ios/app/spider-invasion-rpg-survival/id6572310027)

Control a powerful spider in this RPG idle arcade game. Grow your spider by devouring humans, upgrade its abilities, and evolve into legendary forms. Compete globally on leaderboards and achieve supremacy.

**Highlights:** RPG idle arcade gameplay, Devour humans to grow stronger, Offline progress and resource accumulation, Upgrade spider abilities and evolve, Compete on global leaderboards, Strategic evolution paths

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Membership | $4.99 | per 7 days |
| Membership - Monthly | $14.99 | per month |
| Skip It - Small Pack | $0.99 | one-time |
| Handful Of Crystals | $1.99 | one-time |
| One Time Offer | $1.99 | one-time |
| Bunch Of Crystals | $4.99 | one-time |
| Keep XP | $6.99 | one-time |
| Double XP | $8.99 | one-time |
| Starter Pack | $15.99 | one-time |
| Premium Pack | $39.99 | one-time |


### Alien Attack Idle Simulator 3D

[App page](https://appshunter.io/ios/app/alien-attack-idle-simulator-3d/id6686404136)

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Little kit with currencys | $1.99 | one-time |
| Classic starter pack | $1.99 | one-time |
| Premium personalized kit | $1.99 | one-time |
| Premium starter pack | $3.29 | one-time |
| All premium starter pack | $3.69 | one-time |
| Medium kit with currencys | $5.49 | one-time |
| 600 Crystals | $7.39 | one-time |
| Big kit with currencys | $8.99 | one-time |
| All kit with currencys | $9.29 | one-time |
| 1100 Crystals | $12.99 | one-time |
| 1000 Crystals | $12.99 | one-time |


## Frequently asked questions

### Is Spider Invasion free?

Spider Invasion is free to download, with in-app purchases available.

### Is Alien Attack Idle Simulator 3D free?

Alien Attack Idle Simulator 3D is free to download, with in-app purchases available.

### Do Spider Invasion or Alien Attack Idle Simulator 3D have ads?

Both Spider Invasion and Alien Attack Idle Simulator 3D show ads.

### Which is updated more often, Spider Invasion or Alien Attack Idle Simulator 3D?

Spider Invasion ships an update monthly, and Alien Attack Idle Simulator 3D every 4 days. Most recently, Spider Invasion was updated on October 30, 2026 and Alien Attack Idle Simulator 3D on October 25, 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.*