# Cool Cloud vs WattSpy EPEX Spot Market Rates

The clearest difference is price: Cool Cloud at Free against WattSpy EPEX Spot Market Rates's $1.99. Cool Cloud also leads on iOS requirement (11.1 vs 16.0). WattSpy EPEX Spot Market Rates's advantage is update cadence (every 5 weeks vs every 5 months). On ads, in-app purchases and device support there is nothing between them.

Cool Cloud is free to download; WattSpy EPEX Spot Market Rates costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Cool Cloud ships an update every 5 months, WattSpy EPEX Spot Market Rates every 5 weeks. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Cool Cloud | WattSpy EPEX Spot Market Rates |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | — | Paid |
| Size | 7 MB | 33 MB |
| Requires iOS | **11.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Linhai Dex machinery Co., Ltd.](https://appshunter.io/developer/1073946210) | [Tom Van Laerhoven](https://appshunter.io/developer/1804723431) |

## What reviewers say

### Cool Cloud

[App page](https://appshunter.io/ios/app/cool-cloud/id1207785608)

**Features:** macOS Compatibility

**In-app purchases:** none


### WattSpy EPEX Spot Market Rates

[App page](https://appshunter.io/ios/app/wattspy-epex-spot-market-rates/id6743813617)

Access real-time European electricity prices to optimize your energy consumption. Schedule high-usage activities during off-peak hours to reduce costs, or integrate with smart home devices for automatic adjustments. Ideal for those with dynamic energy contracts.

**Highlights:** EPEX Spot Market access, Hourly and quarter-hourly pricing, Optimize electricity usage, Shift high consumption activities, Home automation integration, Energy storage management

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

**In-app purchases:** none


## Frequently asked questions

### Is Cool Cloud free?

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

### Is WattSpy EPEX Spot Market Rates free?

WattSpy EPEX Spot Market Rates costs $1.99, with no in-app purchases.

### Do Cool Cloud or WattSpy EPEX Spot Market Rates have ads?

Neither Cool Cloud nor WattSpy EPEX Spot Market Rates shows ads.

### Which is updated more often, Cool Cloud or WattSpy EPEX Spot Market Rates?

Cool Cloud ships an update every 5 months, and WattSpy EPEX Spot Market Rates every 5 weeks. Most recently, Cool Cloud was updated on October 26, 2026 and WattSpy EPEX Spot Market Rates on October 30, 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.*