# Shadow Riddler vs シークレットQ

The clearest difference is update cadence: Shadow Riddler at every 3 days against シークレットQ's every 2 months. Shadow Riddler also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Shadow Riddler sells 1 one-off in-app purchase and シークレットQ 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, シークレットQ every 2 months. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Shadow Riddler | シークレットQ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Size | 527 MB | 41 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Weifang Huanshi Software Technology Co., Ltd](https://appshunter.io/developer/1679512773) | [Chisato Fukube](https://appshunter.io/developer/6780120899) |

## 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 |


### シークレットQ

[App page](https://appshunter.io/ios/app/q/id6780942380)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| パーティープラン | $1.99 | one-time |


## Frequently asked questions

### Is Shadow Riddler free?

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

### Is シークレットQ free?

シークレットQ is free to download, with in-app purchases available.

### Do Shadow Riddler or シークレットQ have ads?

Neither Shadow Riddler nor シークレットQ shows ads.

### Which is updated more often, Shadow Riddler or シークレットQ?

Shadow Riddler ships an update every 3 days, and シークレットQ every 2 months. Most recently, Shadow Riddler was updated on October 7, 2026 and シークレットQ on October 10, 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.*