# Idle AI Singularity vs HackStack

The clearest difference is update cadence: Idle AI Singularity at every 3 days against HackStack's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Idle AI Singularity sells 5 one-off in-app purchases and HackStack sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Idle AI Singularity ships an update every 3 days, HackStack weekly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Idle AI Singularity | HackStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/idle-ai-singularity/id6761076055/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | Free | — |
| Size | 6 MB | 68 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [IndieCraft LLC](https://appshunter.io/developer/1751436183) | [Jacob Woodfield](https://appshunter.io/developer/1889214907) |

## What reviewers say

### Idle AI Singularity

[App page](https://appshunter.io/ios/app/idle-ai-singularity/id6761076055)

Build artificial superintelligence from the ground up in this idle tycoon simulation. Progress through five eras of computing, research groundbreaking technologies, and manage workers to construct your tech empire. Earn resources even while offline and prestige for permanent upgrades.

**Highlights:** Five eras of computing progression, Deep crafting system for advanced components, Build and manage 18 unique tech buildings, Research over 20 technologies, Hire and manage workers for automation, Prestige system for permanent upgrades, Offline earnings and daily quests

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Gem Pack | $0.99 | one-time |
| Starter Pack | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Medium Gem Pack | $4.99 | one-time |
| Large Gem Pack | $9.99 | one-time |


### 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 |


## Frequently asked questions

### Is Idle AI Singularity free?

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

### Is HackStack free?

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

### Do Idle AI Singularity or HackStack have ads?

Both Idle AI Singularity and HackStack show ads.

### Which is updated more often, Idle AI Singularity or HackStack?

Idle AI Singularity ships an update every 3 days, and HackStack weekly. Most recently, Idle AI Singularity was updated on October 25, 2026 and HackStack on October 28, 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.*