# PDF Scanner vs Black Sky Weather

The clearest difference is in-app purchases: Black Sky Weather at none against PDF Scanner's 3. Black Sky Weather also leads on ads (none vs shown) and update cadence (every 9 days vs every 9 months). PDF Scanner's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price there is nothing between them.

Both are free to download. PDF Scanner sells 3 in-app purchases, starting at $3.99 per 7 days. Black Sky Weather asks for nothing beyond the download.

PDF Scanner ships an update every 9 months, Black Sky Weather every 9 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | PDF Scanner | Black Sky Weather |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 9 days** |
| Monetization | — | Free |
| Size | 37 MB | 6 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Raheel Shareef](https://appshunter.io/developer/1707591149) | [YMMV](https://appshunter.io/developer/1224453829) |

## What reviewers say

### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scanner-edit-scanner-app/id6466659435)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Ads free inapps | $3.99 | per 7 days |
| Monthly Ads free | $7.99 | per month |
| Lifetime Ads Free | $14.99 | one-time |


### 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


## Frequently asked questions

### Is PDF Scanner free?

PDF Scanner is free to download, with in-app purchases available.

### Is Black Sky Weather free?

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

### Do PDF Scanner or Black Sky Weather have ads?

PDF Scanner shows ads; Black Sky Weather does not.

### Which is updated more often, PDF Scanner or Black Sky Weather?

PDF Scanner ships an update every 9 months, and Black Sky Weather every 9 days. Most recently, PDF Scanner was updated on November 3, 2026 and Black Sky Weather on October 30, 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.*