# StarPromenadeLight vs Periodic

The clearest difference is price: StarPromenadeLight at Free against Periodic's $1.99. StarPromenadeLight also leads on iOS requirement (13.5 vs 15.1). Periodic's advantage is update cadence (every 5 weeks vs every 13 months). On ads, in-app purchases and device support there is nothing between them.

StarPromenadeLight is free to download; Periodic costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

StarPromenadeLight ships an update every 13 months, Periodic every 5 weeks. The most recent releases landed on October 1, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | StarPromenadeLight | Periodic |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 2 MB | 31 MB |
| Requires iOS | **13.5** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takao Akatsu](https://appshunter.io/developer/1530946331) | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) |

## What reviewers say

### StarPromenadeLight

[App page](https://appshunter.io/ios/app/starpromenadelight/id1564202748)

Experience realistic space travel with a simulator that uses extensive star catalog data. Explore the universe at incredible speeds, witnessing familiar constellations transform into new shapes. Choose your destination and embark on an interstellar journey.

**Highlights:** Realistic space travel simulation, Extensive stellar position data, High-speed interstellar flight, Transforming constellation visuals, Selectable star destinations, Adjustable flight speed

**Features:** Vision Pro support

**In-app purchases:** none


### Periodic

[App page](https://appshunter.io/ios/app/periodic-table-elements-pro/id1628646759)

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

**In-app purchases:** none


## Frequently asked questions

### Is StarPromenadeLight free?

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

### Is Periodic free?

Periodic costs $1.99, with no in-app purchases.

### Do StarPromenadeLight or Periodic have ads?

Neither StarPromenadeLight nor Periodic shows ads.

### Which is updated more often, StarPromenadeLight or Periodic?

StarPromenadeLight ships an update every 13 months, and Periodic every 5 weeks. Most recently, StarPromenadeLight was updated on October 1, 2026 and Periodic on October 11, 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.*