# Shadow Riddler vs スピード人狼

The clearest difference is in-app purchases: スピード人狼 at none against Shadow Riddler's 1. Shadow Riddler's advantage is update cadence (every 3 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Shadow Riddler sells 1 one-off in-app purchase. スピード人狼 asks for nothing beyond the download.

Shadow Riddler ships an update every 3 days, スピード人狼 every 3 months. The most recent releases landed on October 7, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Shadow Riddler | スピード人狼 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 months |
| Size | 527 MB | 23 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Weifang Huanshi Software Technology Co., Ltd](https://appshunter.io/developer/1679512773) | [E-Stream Pte Ltd](https://appshunter.io/developer/1176390211) |

## 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 |


### スピード人狼

[App page](https://appshunter.io/ios/app/id6756771462)

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

**In-app purchases:** none


## Frequently asked questions

### Is Shadow Riddler free?

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

### Is スピード人狼 free?

スピード人狼 is free to download, with no in-app purchases.

### Do Shadow Riddler or スピード人狼 have ads?

Neither Shadow Riddler nor スピード人狼 shows ads.

### Which is updated more often, Shadow Riddler or スピード人狼?

Shadow Riddler ships an update every 3 days, and スピード人狼 every 3 months. Most recently, Shadow Riddler was updated on October 7, 2026 and スピード人狼 on October 17, 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.*