# DSP vs ZS DSP

The clearest difference is update cadence: ZS DSP at every 3 days against DSP's every 5 months. DSP's advantage is iOS requirement (12.0 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 5 months, ZS DSP every 3 days. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | DSP | ZS DSP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 days** |
| Size | 7 MB | 5 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [明武 伍](https://appshunter.io/developer/1622511470) | [Maslim Djanuanto](https://appshunter.io/developer/1521794441) |

## What reviewers say

### DSP

[App page](https://appshunter.io/ios/app/dsp-480/id6474292838)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZS DSP

[App page](https://appshunter.io/ios/app/zs-dsp/id6748144788)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DSP free?

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

### Is ZS DSP free?

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

### Do DSP or ZS DSP have ads?

Neither DSP nor ZS DSP shows ads.

### Which is updated more often, DSP or ZS DSP?

DSP ships an update every 5 months, and ZS DSP every 3 days. Most recently, DSP was updated on October 7, 2026 and ZS DSP on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*