# Adopt vs StarPromenadeLight

The clearest difference is update cadence: StarPromenadeLight at every 13 months against Adopt's every 40 months. StarPromenadeLight also leads on iOS requirement (13.5 vs 17.5). On price, review sentiment, 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.

Adopt ships an update every 40 months, StarPromenadeLight every 13 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Adopt | StarPromenadeLight |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/adopt-a-float/id1473875623/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 13 months** |
| Monetization | Free | Free |
| Size | 1 MB | 2 MB |
| Requires iOS | 17.5 | **13.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Frederik Simons](https://appshunter.io/developer/1687712314) | [Takao Akatsu](https://appshunter.io/developer/1530946331) |

## What reviewers say

### Adopt

[App page](https://appshunter.io/ios/app/adopt-a-float/id1473875623)

Access real-time data from autonomous oceanographic floats that record seismic activity. View instrument locations, trajectories, and health parameters. This app provides a low-cost method for oceanic data collection.

**Highlights:** View MERMAID instrument locations, Access recent trajectories, Obtain ocean depth information, View instrumental metadata, Identify instruments by name and institution

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Adopt free?

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

### Is StarPromenadeLight free?

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

### Do Adopt or StarPromenadeLight have ads?

Neither Adopt nor StarPromenadeLight shows ads.

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

Adopt ships an update every 40 months, and StarPromenadeLight every 13 months. Most recently, Adopt was updated on November 3, 2026 and StarPromenadeLight on November 3, 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.*