# DSP vs Smart HL

The clearest difference is update cadence: Smart HL at monthly against DSP's every 15 months. Smart HL also leads on iOS requirement (13.0 vs 15.6). 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.

DSP ships an update every 15 months, Smart HL monthly. Both last shipped on November 4, 2026.

## The numbers

| Metric | DSP | Smart HL |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Monthly** |
| Size | 2 MB | 3 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [东山 谢](https://appshunter.io/developer/1634156531) | [人忠 张](https://appshunter.io/developer/1756024269) |

## What reviewers say

### DSP

[App page](https://appshunter.io/ios/app/dsp-4680-pro/id6479560759)

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart HL

[App page](https://appshunter.io/ios/app/smart-hl/id6526489846)

**In-app purchases:** none


## Frequently asked questions

### Is DSP free?

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

### Is Smart HL free?

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

### Do DSP or Smart HL have ads?

Neither DSP nor Smart HL shows ads.

### Which is updated more often, DSP or Smart HL?

DSP ships an update every 15 months, and Smart HL monthly. Most recently, DSP was updated on November 4, 2026 and Smart HL on November 4, 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.*