# Crystal Me vs Crystal Index

The clearest difference is update cadence: Crystal Me at every 5 days against Crystal Index's every 2 months. Crystal Me also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Crystal Me sells 1 one-off in-app purchase and Crystal Index sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Crystal Me ships an update every 5 days, Crystal Index every 2 months. The most recent releases landed on October 11, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Crystal Me | Crystal Index |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Size | 159 MB | 15 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [梦琦 徐](https://appshunter.io/developer/1784852515) | [Lunar Computing, Inc](https://appshunter.io/developer/1879858555) |

## What reviewers say

### Crystal Me

[App page](https://appshunter.io/ios/app/crystal-me/id6741855152)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 水晶Crystal Pro | $0.99 | one-time |


### Crystal Index

[App page](https://appshunter.io/ios/app/crystal-index/id6760981052)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is Crystal Me free?

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

### Is Crystal Index free?

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

### Do Crystal Me or Crystal Index have ads?

Neither Crystal Me nor Crystal Index shows ads.

### Which is updated more often, Crystal Me or Crystal Index?

Crystal Me ships an update every 5 days, and Crystal Index every 2 months. Most recently, Crystal Me was updated on October 11, 2026 and Crystal Index on September 28, 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.*