# TD vs StarrySkyTop

The clearest difference is update cadence: StarrySkyTop at every 3 weeks against TD's every 50 months. TD's advantage is iOS requirement (8.0 vs 13.0). 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.

TD ships an update every 50 months, StarrySkyTop every 3 weeks. The most recent releases landed on October 14, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | TD | StarrySkyTop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 50 months | **Every 3 weeks** |
| Size | 6 MB | 23 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [杏生 卢](https://appshunter.io/developer/1094592555) | [楚臣 易](https://appshunter.io/developer/1857968638) |

## What reviewers say

### TD

[App page](https://appshunter.io/ios/app/td-7s/id1324437064)

**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 TD free?

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

### Is StarrySkyTop free?

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

### Do TD or StarrySkyTop have ads?

Neither TD nor StarrySkyTop shows ads.

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

TD ships an update every 50 months, and StarrySkyTop every 3 weeks. Most recently, TD was updated on October 14, 2026 and StarrySkyTop on October 28, 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.*