# 21express vs HTML Sandbox 2

The clearest difference is update cadence: HTML Sandbox 2 at every 5 days against 21express's monthly. 21express's advantage is review sentiment (100% vs 85%) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

21express ships an update monthly, HTML Sandbox 2 every 5 days. The most recent releases landed on September 17, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | 21express | HTML Sandbox 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (53 ratings)](https://appshunter.io/ios/app/html-sandbox-2/id6443393029/reviews)** |
| Number of ratings | — | **53** |
| Positive reviews | **100.0% of reviews** | 84.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free | Free |
| Size | 16 MB | 14 MB |
| Requires iOS | **7.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Crocodic Studio](https://appshunter.io/developer/941979139) | [Eric Roembach](https://appshunter.io/developer/1632108694) |

## What reviewers say

### 21express

[App page](https://appshunter.io/ios/app/21express/id1036174567)

This app provides services for package and document delivery across Indonesia. It allows users to check shipping costs, track packages, and request order pickups, simplifying online selling and purchasing.

**Highlights:** Check shipping costs (domestic & international), Track packages, Request order pickups, Door-to-door service, Computerized shipment checking, Competitive pricing

**Features:** macOS Compatibility

**In-app purchases:** none


### HTML Sandbox 2

[App page](https://appshunter.io/ios/app/html-sandbox-2/id6443393029)

Create custom lock and home screens using HTML and various data sources like weather, battery, and calendar events. Download themes from a large community and receive support.

**Highlights:** Custom lock screen design, Custom home screen design, Integrate weather data, Integrate battery status, Integrate calendar events, Integrate RSS feeds, Community theme downloads

**In-app purchases:** none


## Frequently asked questions

### Is 21express free?

21express is free to download, with no in-app purchases.

### Is HTML Sandbox 2 free?

HTML Sandbox 2 is free to download, with no in-app purchases.

### Do 21express or HTML Sandbox 2 have ads?

Neither 21express nor HTML Sandbox 2 shows ads.

### Which is updated more often, 21express or HTML Sandbox 2?

21express ships an update monthly, and HTML Sandbox 2 every 5 days. Most recently, 21express was updated on September 17, 2026 and HTML Sandbox 2 on August 12, 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.*