# Shadow Riddler vs Who is AI?

The clearest difference is ads: Shadow Riddler at none against Who is AI?'s shown. Shadow Riddler also leads on update cadence (every 3 days vs every 2 months) and iOS requirement (12.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Shadow Riddler sells 1 one-off in-app purchase and Who is AI? sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Shadow Riddler ships an update every 3 days, Who is AI? every 2 months. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Shadow Riddler | Who is AI? |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 2 months |
| Size | 527 MB | 45 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Weifang Huanshi Software Technology Co., Ltd](https://appshunter.io/developer/1679512773) | [Artem Podrushniak](https://appshunter.io/developer/1896477369) |

## What reviewers say

### Shadow Riddler

[App page](https://appshunter.io/ios/app/shadow-riddler/id6470780663)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| fiery eyes and golden pupils | $0.99 | one-time |


### Who is AI?

[App page](https://appshunter.io/ios/app/who-is-ai/id6767461180)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $1.99 | one-time |


## Frequently asked questions

### Is Shadow Riddler free?

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

### Is Who is AI? free?

Who is AI? is free to download, with in-app purchases available.

### Do Shadow Riddler or Who is AI? have ads?

Who is AI? shows ads; Shadow Riddler does not.

### Which is updated more often, Shadow Riddler or Who is AI??

Shadow Riddler ships an update every 3 days, and Who is AI? every 2 months. Most recently, Shadow Riddler was updated on October 7, 2026 and Who is AI? on October 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.*