# HTML Sandbox³ vs Calq_

The clearest difference is in-app purchases: HTML Sandbox³ at none against Calq_'s 2. HTML Sandbox³ also leads on update cadence (daily vs every 4 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Calq_ sells 2 in-app purchases, starting at $0.99 per month. HTML Sandbox³ asks for nothing beyond the download.

HTML Sandbox³ ships an update daily, Calq_ every 4 days. The most recent releases landed on September 11, 2026 and July 25, 2026 respectively.

## The numbers

| Metric | HTML Sandbox³ | Calq_ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/html-sandbox/id6467677088/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 days |
| Monetization | Free | — |
| Size | 13 MB | 14 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Eric Roembach](https://appshunter.io/developer/1632108694) | [Agustin Dell Aquila](https://appshunter.io/developer/1715197871) |

## What reviewers say

### HTML Sandbox³

[App page](https://appshunter.io/ios/app/html-sandbox/id6467677088)

Design custom lock and home screens with dynamic shortcuts for weather, battery, calendar, and RSS feeds. Join a large community for themes and support.

**Highlights:** Custom lock screen design, Custom home screen design, Dynamic shortcut integration, Weather shortcuts, Battery status shortcuts, Calendar event shortcuts, RSS feed shortcuts

**In-app purchases:** none


### Calq_

[App page](https://appshunter.io/ios/app/calq/id6471381452)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calq+ Monthly | $0.99 | per month |
| Calq+ Lifetime | $7.99 | one-time |


## Frequently asked questions

### Is HTML Sandbox³ free?

HTML Sandbox³ is free to download, with no in-app purchases.

### Is Calq_ free?

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

### Do HTML Sandbox³ or Calq_ have ads?

Neither HTML Sandbox³ nor Calq_ shows ads.

### Which is updated more often, HTML Sandbox³ or Calq_?

HTML Sandbox³ ships an update daily, and Calq_ every 4 days. Most recently, HTML Sandbox³ was updated on September 11, 2026 and Calq_ on July 25, 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.*