# Herzog vs Rainbow Spiral

The clearest difference is in-app purchases: Rainbow Spiral at none against Herzog's 1. Herzog's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Herzog sells 1 one-off in-app purchase. Rainbow Spiral asks for nothing beyond the download.

Herzog ships an update every 3 weeks, Rainbow Spiral every 5 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Herzog | Rainbow Spiral |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (3 ratings)](https://appshunter.io/ios/app/rainbow-spiral/id6745642174/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | — | Ad-supported |
| Size | 4 MB | 180 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [James McDougal](https://appshunter.io/developer/1775982092) | [HAMARA CLINIC HEALTHCARE FOUNDATION, INC.](https://appshunter.io/developer/1811620580) |

## What reviewers say

### Herzog

[App page](https://appshunter.io/ios/app/herzog/id6737438417)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Herzog Permanent Version | $0.99 | one-time |


### Rainbow Spiral

[App page](https://appshunter.io/ios/app/rainbow-spiral/id6745642174)

A fast-paced arcade game challenges players to match falling colored blocks by tapping the correct color from a bottom bar. Precision and timing are crucial as the spiral speeds up with each successful match. It's a vibrant test of reflexes and focus.

**Highlights:** Fast-paced color matching gameplay, Intuitive one-tap controls, Escalating difficulty, Vibrant graphics, Score tracking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Herzog free?

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

### Is Rainbow Spiral free?

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

### Do Herzog or Rainbow Spiral have ads?

Rainbow Spiral shows ads; Herzog does not.

### Which is updated more often, Herzog or Rainbow Spiral?

Herzog ships an update every 3 weeks, and Rainbow Spiral every 5 months. Most recently, Herzog was updated on October 27, 2026 and Rainbow Spiral on October 24, 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.*