# Crystal vs Sampark Plus

The clearest difference is update cadence: Sampark Plus at weekly against Crystal's every 5 weeks. Crystal's advantage is iOS requirement (15.6 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Crystal ships an update every 5 weeks, Sampark Plus weekly. The most recent releases landed on October 4, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Crystal | Sampark Plus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Size | 18 MB | 148 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Crystal Crop Protection Limited](https://appshunter.io/developer/1804258858) | [RALLIS INDIA LIMITED](https://appshunter.io/developer/964400052) |

## What reviewers say

### Crystal

[App page](https://appshunter.io/ios/app/crystal-i/id6743735142)

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

**In-app purchases:** none


### Sampark Plus

[App page](https://appshunter.io/ios/app/sampark-plus/id6756654694)

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

**In-app purchases:** none


## Frequently asked questions

### Is Crystal free?

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

### Is Sampark Plus free?

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

### Do Crystal or Sampark Plus have ads?

Neither Crystal nor Sampark Plus shows ads.

### Which is updated more often, Crystal or Sampark Plus?

Crystal ships an update every 5 weeks, and Sampark Plus weekly. Most recently, Crystal was updated on October 4, 2026 and Sampark Plus on October 16, 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.*