# DSP vs iDSP

The clearest difference is update cadence: iDSP at weekly against DSP's every 15 months. 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, iDSP weekly. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | DSP | iDSP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Weekly** |
| Size | 2 MB | 25 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [东山 谢](https://appshunter.io/developer/1634156531) | [东友 苏](https://appshunter.io/developer/1786916998) |

## What reviewers say

### DSP

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

**Features:** macOS Compatibility

**In-app purchases:** none


### iDSP

[App page](https://appshunter.io/ios/app/idsp/id6754907457)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DSP free?

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

### Is iDSP free?

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

### Do DSP or iDSP have ads?

Neither DSP nor iDSP shows ads.

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

DSP ships an update every 15 months, and iDSP weekly. Most recently, DSP was updated on October 7, 2026 and iDSP on October 15, 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.*