# CKPower vs GreenTech Network

The clearest difference is update cadence: GreenTech Network at every 5 weeks against CKPower's every 3 months. CKPower's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.4). On price, 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.

CKPower ships an update every 3 months, GreenTech Network every 5 weeks. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | CKPower | GreenTech Network |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Size | 95 MB | 146 MB |
| Requires iOS | **12.0** | 17.4 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [CKPower Public Company Limited](https://appshunter.io/developer/1584929056) | [SWAPCARD CORPORATION](https://appshunter.io/developer/879488722) |

## What reviewers say

### CKPower

[App page](https://appshunter.io/ios/app/ckpower/id1584929054)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### GreenTech Network

[App page](https://appshunter.io/ios/app/greentech-network/id6677014186)

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

**In-app purchases:** none


## Frequently asked questions

### Is CKPower free?

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

### Is GreenTech Network free?

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

### Do CKPower or GreenTech Network have ads?

Neither CKPower nor GreenTech Network shows ads.

### Which is updated more often, CKPower or GreenTech Network?

CKPower ships an update every 3 months, and GreenTech Network every 5 weeks. Most recently, CKPower was updated on October 2, 2026 and GreenTech Network on October 3, 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.*