# ELogBook THK vs CoCo Solar Partner

The clearest difference is update cadence: CoCo Solar Partner at every 2 weeks against ELogBook THK's every 2 months. ELogBook THK's advantage is iOS requirement (12.0 vs 15.1). 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.

ELogBook THK ships an update every 2 months, CoCo Solar Partner every 2 weeks. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ELogBook THK | CoCo Solar Partner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 43 MB | 88 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [khanh pham ngoc](https://appshunter.io/developer/1684108638) | [COCO SOLAR VIET NAM COMPANY LIMITED](https://appshunter.io/developer/1798260563) |

## What reviewers say

### ELogBook THK

[App page](https://appshunter.io/ios/app/elogbook-thk/id6448618675)

**Features:** macOS Compatibility

**In-app purchases:** none


### CoCo Solar Partner

[App page](https://appshunter.io/ios/app/coco-solar-partner/id6742413251)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ELogBook THK free?

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

### Is CoCo Solar Partner free?

CoCo Solar Partner is free to download, with no in-app purchases.

### Do ELogBook THK or CoCo Solar Partner have ads?

Neither ELogBook THK nor CoCo Solar Partner shows ads.

### Which is updated more often, ELogBook THK or CoCo Solar Partner?

ELogBook THK ships an update every 2 months, and CoCo Solar Partner every 2 weeks. Most recently, ELogBook THK was updated on October 25, 2026 and CoCo Solar Partner on October 7, 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.*