# iDSP vs StarrySkyTop

The clearest difference is update cadence: iDSP at weekly against StarrySkyTop's every 3 weeks. 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.

iDSP ships an update weekly, StarrySkyTop every 3 weeks. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | iDSP | StarrySkyTop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 25 MB | 23 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [东友 苏](https://appshunter.io/developer/1786916998) | [楚臣 易](https://appshunter.io/developer/1857968638) |

## What reviewers say

### iDSP

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

**Features:** macOS Compatibility

**In-app purchases:** none


### StarrySkyTop

[App page](https://appshunter.io/ios/app/starryskytop/id6756040836)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iDSP free?

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

### Is StarrySkyTop free?

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

### Do iDSP or StarrySkyTop have ads?

Neither iDSP nor StarrySkyTop shows ads.

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

iDSP ships an update weekly, and StarrySkyTop every 3 weeks. Most recently, iDSP was updated on October 15, 2026 and StarrySkyTop on October 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.*