# Idle AI Singularity vs Retro TD

The clearest difference is ads: Retro TD at none against Idle AI Singularity's shown. On price, update cadence, 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 Retro TD sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Idle AI Singularity | Retro TD |
| --- | --- | --- |
| 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 | **No** |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | Free | — |
| Size | 6 MB | 11 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [IndieCraft LLC](https://appshunter.io/developer/1751436183) | [Doug Barrett](https://appshunter.io/developer/1527536178) |

## 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 |


### Retro TD

[App page](https://appshunter.io/ios/app/retro-td/id6770826389)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 4 AI Level Credits | $1.99 | one-time |
| Starter Pack | $2.99 | one-time |


## Frequently asked questions

### Is Idle AI Singularity free?

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

### Is Retro TD free?

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

### Do Idle AI Singularity or Retro TD have ads?

Idle AI Singularity shows ads; Retro TD does not.

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

Idle AI Singularity ships an update every 3 days, and Retro TD every 3 days. Most recently, Idle AI Singularity was updated on October 31, 2026 and Retro TD 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.*