# Block Stack QG vs SilentShadowWords

The clearest difference is in-app purchases: SilentShadowWords at none against Block Stack QG's 1. SilentShadowWords also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Block Stack QG sells 1 one-off in-app purchase. SilentShadowWords asks for nothing beyond the download.

Block Stack QG ships an update every 3 days, SilentShadowWords every 4 days. The most recent releases landed on October 6, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Block Stack QG | SilentShadowWords |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 4 days |
| Size | 9 MB | 60 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hien Quach Ngoc](https://appshunter.io/developer/6776344936) | [Van Hieu Tran](https://appshunter.io/developer/6785108715) |

## What reviewers say

### Block Stack QG

[App page](https://appshunter.io/ios/app/block-stack-qg/id6776344934)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### SilentShadowWords

[App page](https://appshunter.io/ios/app/silentshadowwords/id6785108713)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Block Stack QG free?

Block Stack QG is free to download, with in-app purchases available.

### Is SilentShadowWords free?

SilentShadowWords is free to download, with no in-app purchases.

### Do Block Stack QG or SilentShadowWords have ads?

Block Stack QG shows ads; SilentShadowWords does not.

### Which is updated more often, Block Stack QG or SilentShadowWords?

Block Stack QG ships an update every 3 days, and SilentShadowWords every 4 days. Most recently, Block Stack QG was updated on October 6, 2026 and SilentShadowWords on September 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.*