# Black Sky Weather vs Rosetta Dash

The clearest difference is update cadence: Black Sky Weather at every 9 days against Rosetta Dash's every 2 months. Rosetta Dash's advantage is iOS requirement (15.1 vs 17.6). 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.

Black Sky Weather ships an update every 9 days, Rosetta Dash every 2 months. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Black Sky Weather | Rosetta Dash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/black-sky-weather/id6747352349/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Free | — |
| Size | 6 MB | 15 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YMMV](https://appshunter.io/developer/1224453829) | [Rosette Development, LLC](https://appshunter.io/developer/6786124736) |

## What reviewers say

### Black Sky Weather

[App page](https://appshunter.io/ios/app/black-sky-weather/id6747352349)

This app offers real-time weather updates with a visually dynamic interface that changes color and background to reflect current conditions. It provides detailed forecasts, location-based data, and offline capabilities, all within a clean and intuitive design.

**Highlights:** Real-time temperature and conditions, Location-based forecasting, 7-day daily and 24-hour hourly predictions, Dynamic theme system adapting to temperature, Offline access to cached weather data, Multi-language support

**In-app purchases:** none


### Rosetta Dash

[App page](https://appshunter.io/ios/app/rosetta-dash/id6798519408)

**In-app purchases:** none


## Frequently asked questions

### Is Black Sky Weather free?

Black Sky Weather is free to download, with no in-app purchases.

### Is Rosetta Dash free?

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

### Do Black Sky Weather or Rosetta Dash have ads?

Neither Black Sky Weather nor Rosetta Dash shows ads.

### Which is updated more often, Black Sky Weather or Rosetta Dash?

Black Sky Weather ships an update every 9 days, and Rosetta Dash every 2 months. Most recently, Black Sky Weather was updated on October 28, 2026 and Rosetta Dash on October 25, 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.*