# ZonergyPro vs Coolyer

ZonergyPro and Coolyer are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | ZonergyPro | Coolyer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 55 MB | 3 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [DELTA NETWORKS (XIAMEN) LTD](https://appshunter.io/developer/1033104954) | [Giusy Hu](https://appshunter.io/developer/1464413855) |

## What reviewers say

### ZonergyPro

[App page](https://appshunter.io/ios/app/zonergypro/id1638251713)

**Features:** macOS Compatibility

**In-app purchases:** none


### Coolyer

[App page](https://appshunter.io/ios/app/coolyer/id6463870090)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZonergyPro free?

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

### Is Coolyer free?

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

### Do ZonergyPro or Coolyer have ads?

Neither ZonergyPro nor Coolyer shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*