# TBB Energy Pack/Hub vs Zeliox ZAI4

The clearest difference is device support: Zeliox ZAI4 at 2 against TBB Energy Pack/Hub's —. TBB Energy Pack/Hub's advantage is iOS requirement (9.0 vs 12.0). On price 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.

## The numbers

| Metric | TBB Energy Pack/Hub | Zeliox ZAI4 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 7 months |
| Size | 37 MB | 34 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [TBB Power Co., Ltd](https://appshunter.io/developer/1089239531) | [Zeliox](https://appshunter.io/developer/1478320738) |

## What reviewers say

### TBB Energy Pack/Hub

[App page](https://appshunter.io/ios/app/tbb-energy-packhub/id1599446224)

**In-app purchases:** none


### Zeliox ZAI4

[App page](https://appshunter.io/ios/app/zeliox-zai4/id6737747373)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TBB Energy Pack/Hub free?

TBB Energy Pack/Hub is free to download, with no in-app purchases.

### Is Zeliox ZAI4 free?

Zeliox ZAI4 is free to download, with no in-app purchases.

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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.*