# HT_BLELIGHT vs OLBY

The clearest difference is iOS requirement: OLBY at 9.3 against HT_BLELIGHT's 13.0. 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 | HT_BLELIGHT | OLBY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Size | 5 MB | 17 MB |
| Requires iOS | 13.0 | **9.3** |
| Age rating | 4+ | 4+ |
| Developer | [Holtek Semiconductor (China) Inc](https://appshunter.io/developer/1052056181) | [长金 赵](https://appshunter.io/developer/1107811328) |

## What reviewers say

### HT_BLELIGHT

[App page](https://appshunter.io/ios/app/ht-blelight/id6446831479)

**In-app purchases:** none


### OLBY

[App page](https://appshunter.io/ios/app/olby/id6463584602)

**In-app purchases:** none


## Frequently asked questions

### Is HT_BLELIGHT free?

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

### Is OLBY free?

OLBY 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.*