# CDS Review vs Summit Sky Ranch

The clearest difference is iOS requirement: CDS Review at 11.0 against Summit Sky Ranch's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

CDS Review ships an update every 6 months, Summit Sky Ranch every 8 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CDS Review | Summit Sky Ranch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 8 months |
| Size | 164 MB | 195 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chicago Dental Society](https://appshunter.io/developer/1449636029) | [Summit Sky Ranch](https://appshunter.io/developer/1410443953) |

## What reviewers say

### CDS Review

[App page](https://appshunter.io/ios/app/cds-review/id459425240)

**Features:** macOS Compatibility

**In-app purchases:** none


### Summit Sky Ranch

[App page](https://appshunter.io/ios/app/summit-sky-ranch/id1370906734)

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

**In-app purchases:** none


## Frequently asked questions

### Is CDS Review free?

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

### Is Summit Sky Ranch free?

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

### Do CDS Review or Summit Sky Ranch have ads?

Neither CDS Review nor Summit Sky Ranch shows ads.

### Which is updated more often, CDS Review or Summit Sky Ranch?

CDS Review ships an update every 6 months, and Summit Sky Ranch every 8 months. Most recently, CDS Review was updated on October 26, 2026 and Summit Sky Ranch on October 25, 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.*