# TBB Solar Mate vs Zeliox ECO

The clearest difference is update cadence: Zeliox ECO at every 2 months against TBB Solar Mate's every 4 months. 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.

TBB Solar Mate ships an update every 4 months, Zeliox ECO every 2 months. The most recent releases landed on May 17, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | TBB Solar Mate | Zeliox ECO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 32 MB | 81 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TBB Power Co., Ltd](https://appshunter.io/developer/1089239531) | [Zeliox](https://appshunter.io/developer/1478320738) |

## What reviewers say

### TBB Solar Mate

[App page](https://appshunter.io/ios/app/tbb-solar-mate/id1568620801)

**Features:** macOS Compatibility

**In-app purchases:** none


### Zeliox ECO

[App page](https://appshunter.io/ios/app/zeliox-eco/id1629358692)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TBB Solar Mate free?

TBB Solar Mate is free to download, with no in-app purchases.

### Is Zeliox ECO free?

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

### Do TBB Solar Mate or Zeliox ECO have ads?

Neither TBB Solar Mate nor Zeliox ECO shows ads.

### Which is updated more often, TBB Solar Mate or Zeliox ECO?

TBB Solar Mate ships an update every 4 months, and Zeliox ECO every 2 months. Most recently, TBB Solar Mate was updated on May 17, 2026 and Zeliox ECO on September 15, 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.*