# Rock Hard vs BLINDzeln

The clearest difference is in-app purchases: BLINDzeln at none against Rock Hard's 4. BLINDzeln also leads on update cadence (every 3 weeks vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Rock Hard sells 4 one-off in-app purchases. BLINDzeln asks for nothing beyond the download.

Rock Hard ships an update every 5 months, BLINDzeln every 3 weeks. The most recent releases landed on October 20, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Rock Hard | BLINDzeln |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/rock-hard/id616636030/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 68.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 34 MB | 6 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Rock Hard Verlags- und Handels- GmbH](https://appshunter.io/developer/616636033) | [Sebastian Dellit](https://appshunter.io/developer/1649527034) |

## What reviewers say

### Rock Hard

[App page](https://appshunter.io/ios/app/rock-hard/id616636030)

Access free news, album reviews, tour dates, and band profiles with videos and streaming playlists. Filter content by rock and metal genres to suit both seasoned fans and newcomers. An extensive archive offers decades of rock history.

**Highlights:** Free news and reviews, Tour dates and band profiles, Video and streaming playlists, Genre filtering (Rock & Metal), Extensive archive (40 years), E-paper access with subscription

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Special 001 | $1.99 | one-time |
| Special 002 - AC/DC | $1.99 | one-time |
| Special 1 | $1.99 | one-time |
| Special 003 | $1.99 | one-time |


### BLINDzeln

[App page](https://appshunter.io/ios/app/blindzeln/id6443845123)

**In-app purchases:** none


## Frequently asked questions

### Is Rock Hard free?

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

### Is BLINDzeln free?

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

### Do Rock Hard or BLINDzeln have ads?

Neither Rock Hard nor BLINDzeln shows ads.

### Which is updated more often, Rock Hard or BLINDzeln?

Rock Hard ships an update every 5 months, and BLINDzeln every 3 weeks. Most recently, Rock Hard was updated on October 20, 2026 and BLINDzeln on October 5, 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.*