# Shake SDK demo vs Reactive Playground

The clearest difference is update cadence: Reactive Playground at every 3 days against Shake SDK demo's every 30 months. Shake SDK demo's advantage is iOS requirement (12.1 vs 17.0). 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.

Shake SDK demo ships an update every 30 months, Reactive Playground every 3 days. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Shake SDK demo | Reactive Playground |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 3 days** |
| Size | 14 MB | 4 MB |
| Requires iOS | **12.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DECODE HQ Ltd.](https://appshunter.io/developer/393968898) | [Deya Eldeen Mahmoud](https://appshunter.io/developer/1448352213) |

## What reviewers say

### Shake SDK demo

[App page](https://appshunter.io/ios/app/shake-sdk-demo/id1599736701)

**Features:** macOS Compatibility

**In-app purchases:** none


### Reactive Playground

[App page](https://appshunter.io/ios/app/reactive-playground/id6784823079)

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

**In-app purchases:** none


## Frequently asked questions

### Is Shake SDK demo free?

Shake SDK demo is free to download, with no in-app purchases.

### Is Reactive Playground free?

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

### Do Shake SDK demo or Reactive Playground have ads?

Neither Shake SDK demo nor Reactive Playground shows ads.

### Which is updated more often, Shake SDK demo or Reactive Playground?

Shake SDK demo ships an update every 30 months, and Reactive Playground every 3 days. Most recently, Shake SDK demo was updated on October 6, 2026 and Reactive Playground on October 12, 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.*