# Code Rain vs Grass QR Code

The clearest difference is in-app purchases: Grass QR Code at none against Code Rain's 1. Grass QR Code also leads on update cadence (every 2 weeks vs every 3 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Code Rain sells 1 one-off in-app purchase. Grass QR Code asks for nothing beyond the download.

Code Rain ships an update every 3 months, Grass QR Code every 2 weeks. The most recent releases landed on July 8, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Code Rain | Grass QR Code |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (11 ratings)](https://appshunter.io/ios/app/code-rain/id1667722294/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 26 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hanquan Liang](https://appshunter.io/developer/1607751967) | [杰 欧](https://appshunter.io/developer/1696521235) |

## What reviewers say

### Code Rain

[App page](https://appshunter.io/ios/app/code-rain/id1667722294)

Experience a digital code rain effect, inspired by the iconic Matrix visuals. This simulator offers a simple, offline experience with no data collection. Choose between a free version with limited full-screen play or a Pro version for uninterrupted immersion.

**Highlights:** Digital code rain effect, Matrix-inspired visuals, Offline functionality, No data collection, Full-screen mode, Adjustable settings

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.99 | one-time |


### Grass QR Code

[App page](https://appshunter.io/ios/app/grass-qr-code/id6743264606)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Code Rain free?

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

### Is Grass QR Code free?

Grass QR Code is free to download, with no in-app purchases.

### Do Code Rain or Grass QR Code have ads?

Neither Code Rain nor Grass QR Code shows ads.

### Which is updated more often, Code Rain or Grass QR Code?

Code Rain ships an update every 3 months, and Grass QR Code every 2 weeks. Most recently, Code Rain was updated on July 8, 2026 and Grass QR Code on September 14, 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.*