# FDC Summit vs Crystal

The clearest difference is update cadence: Crystal at every 2 weeks against FDC Summit's monthly. Crystal also leads on iOS requirement (13.0 vs 15.1). 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.

FDC Summit ships an update monthly, Crystal every 2 weeks. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | FDC Summit | Crystal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 70 MB | 84 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [solaceautomation](https://appshunter.io/developer/907699025) | [Technia Solutions](https://appshunter.io/developer/1835215877) |

## What reviewers say

### FDC Summit

[App page](https://appshunter.io/ios/app/fdc-summit/id1609285683)

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### Crystal

[App page](https://appshunter.io/ios/app/crystal-rtc/id6755051599)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FDC Summit free?

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

### Is Crystal free?

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

### Do FDC Summit or Crystal have ads?

Neither FDC Summit nor Crystal shows ads.

### Which is updated more often, FDC Summit or Crystal?

FDC Summit ships an update monthly, and Crystal every 2 weeks. Most recently, FDC Summit was updated on September 30, 2026 and Crystal 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.*