# DSP vs DSP

The clearest difference is iOS requirement: DSP at 9.0 against DSP's 15.6. On price, update cadence, ads 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.

DSP ships an update every 8 months, DSP every 5 months. The most recent releases landed on May 19, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | DSP | DSP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 months** |
| Size | 7 MB | 4 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Fenlang Electronic Technology Co., Ltd.;](https://appshunter.io/developer/1125294061) | [Guangzhou RDING Electronics Limited Company](https://appshunter.io/developer/1160256288) |

## What reviewers say

### DSP

[App page](https://appshunter.io/ios/app/dsp-x16/id6466761182)

**Features:** macOS Compatibility

**In-app purchases:** none


### DSP

[App page](https://appshunter.io/ios/app/dsp-b46/id6744064083)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DSP free?

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

### Is DSP free?

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

### Do DSP or DSP have ads?

Neither DSP nor DSP shows ads.

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

DSP ships an update every 8 months, and DSP every 5 months. Most recently, DSP was updated on May 19, 2026 and DSP on September 17, 2026.

---

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