# Blitzrock vs HTMLCollection

The clearest difference is in-app purchases: Blitzrock at none against HTMLCollection's 1. Blitzrock also leads on update cadence (every 6 days vs every 2 months) and iOS requirement (12.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. HTMLCollection sells 1 one-off in-app purchase. Blitzrock asks for nothing beyond the download.

Blitzrock ships an update every 6 days, HTMLCollection every 2 months. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Blitzrock | HTMLCollection |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 months |
| Size | 36 MB | 5 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TONG DE LIMITED](https://appshunter.io/developer/1491108286) | [Shigeki Karouji](https://appshunter.io/developer/975941302) |

## What reviewers say

### Blitzrock

[App page](https://appshunter.io/ios/app/blitzrock/id6480093189)

**Features:** macOS Compatibility

**In-app purchases:** none


### HTMLCollection

[App page](https://appshunter.io/ios/app/htmlcollection/id6756459786)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| History Plus: Extended History | $0.49 | one-time |


## Frequently asked questions

### Is Blitzrock free?

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

### Is HTMLCollection free?

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

### Do Blitzrock or HTMLCollection have ads?

Neither Blitzrock nor HTMLCollection shows ads.

### Which is updated more often, Blitzrock or HTMLCollection?

Blitzrock ships an update every 6 days, and HTMLCollection every 2 months. Most recently, Blitzrock was updated on October 7, 2026 and HTMLCollection on October 3, 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.*