# HackStack vs Astra Idle

The clearest difference is update cadence: HackStack at weekly against Astra Idle's fortnightly. Astra Idle's advantage is iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. HackStack sells 4 one-off in-app purchases and Astra Idle sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

HackStack ships an update weekly, Astra Idle fortnightly. The most recent releases landed on October 3, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | HackStack | Astra Idle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Fortnightly |
| Size | 68 MB | 337 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jacob Woodfield](https://appshunter.io/developer/1889214907) | [shlomi astangelov](https://appshunter.io/developer/6788369213) |

## What reviewers say

### HackStack

[App page](https://appshunter.io/ios/app/hackstack/id6761376937)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Banner Ads | $2.99 | one-time |
| Remove Offline Ads | $2.99 | one-time |
| Remove Ops Ads | $2.99 | one-time |
| Remove All Ads | $6.99 | one-time |


### Astra Idle

[App page](https://appshunter.io/ios/app/astra-idle-space-clicker/id6788369211)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gems Small | $0.99 | one-time |
| Multiplier 2X | $2.99 | one-time |
| Gems Medium | $4.99 | one-time |
| No Ads! | $4.99 | one-time |
| gem extra large | $9.99 | one-time |
| Multiplier 4x | $12.99 | one-time |
| Gems Large | $19.99 | one-time |
| Gems XXL | $49.99 | one-time |
| Gems Mega | $99.99 | one-time |


## Frequently asked questions

### Is HackStack free?

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

### Is Astra Idle free?

Astra Idle is free to download, with in-app purchases available.

### Do HackStack or Astra Idle have ads?

Both HackStack and Astra Idle show ads.

### Which is updated more often, HackStack or Astra Idle?

HackStack ships an update weekly, and Astra Idle fortnightly. Most recently, HackStack was updated on October 3, 2026 and Astra Idle on September 24, 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.*