# CQ Key vs SHSI

The clearest difference is update cadence: CQ Key at fortnightly against SHSI's every 6 weeks. CQ Key also leads on iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CQ Key ships an update fortnightly, SHSI every 6 weeks. The most recent releases landed on October 4, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | CQ Key | SHSI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Size | 1 MB | 24 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CyberQuote (H.K.) Limited](https://appshunter.io/developer/675524089) | [shsse](https://appshunter.io/developer/1049237918) |

## What reviewers say

### CQ Key

[App page](https://appshunter.io/ios/app/cq-key/id1351218197)

**In-app purchases:** none


### SHSI

[App page](https://appshunter.io/ios/app/shsi/id6657982140)

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

**In-app purchases:** none


## Frequently asked questions

### Is CQ Key free?

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

### Is SHSI free?

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

### Do CQ Key or SHSI have ads?

Neither CQ Key nor SHSI shows ads.

### Which is updated more often, CQ Key or SHSI?

CQ Key ships an update fortnightly, and SHSI every 6 weeks. Most recently, CQ Key was updated on October 4, 2026 and SHSI on October 16, 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.*