# AstroShader vs On This Day

The clearest difference is price: On This Day at Free against AstroShader's $1.99. On This Day also leads on rating (5.0 vs 4.2) and update cadence (weekly vs every 3 weeks). AstroShader's advantage is in-app purchases (none vs 1) and ratings volume (105 vs 1). On ads, device support and iOS requirement there is nothing between them.

On This Day is free to download; AstroShader costs $1.99 up front. On This Day sells 1 one-off in-app purchase. AstroShader asks for nothing beyond the download.

On This Day holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: AstroShader has 105 ratings behind it against 1, so its average is the more settled of the two.

AstroShader ships an update every 3 weeks, On This Day weekly. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | AstroShader | On This Day |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.2 (105 ratings)](https://appshunter.io/ios/app/astroshader/id6444631986/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/on-this-day-photo-widget/id6787857504/reviews)** |
| Number of ratings | **105** | 1 |
| Positive reviews | 61.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Paid | **Freemium** |
| Best chart rank | **#12** | — |
| Size | 9 MB | 4 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [AstroShader Limited](https://appshunter.io/developer/1655754202) | [Hamish Tennent](https://appshunter.io/developer/6779078441) |

## What reviewers say

### AstroShader

[App page](https://appshunter.io/ios/app/astroshader/id6444631986)

**Currently charting:** #12 Top Paid · Photo & Video, #79 Top Paid (US App Store)

Capture, stack, and edit stunning astrophotography directly on your mobile device. This app streamlines the process by aligning and stacking images live during capture, eliminating the need for external software. Fine-tune your celestial images with a comprehensive suite of editing tools.

**Highlights:** Live image alignment and stacking, Manual focus control, Adjustable exposure, ISO, and white balance, Intervalometer for timed captures, Advanced image editing tools, Save in multiple formats including TIFF

**In-app purchases:** none


### On This Day

[App page](https://appshunter.io/ios/app/on-this-day-photo-widget/id6787857504)

This app displays a photo from this day in previous years on your home screen widget. It uses on-device AI to select the best image from your library, excluding screenshots. An optional one-time purchase unlocks more photos and customization options.

**Highlights:** Daily photo widget, On-device AI photo selection, Excludes screenshots, Home Screen and Lock Screen widgets, Customizable themes, One-time purchase for full features

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $1.99 | one-time |


## Frequently asked questions

### Is AstroShader free?

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

### Is On This Day free?

On This Day is free to download, with in-app purchases available.

### Which has better reviews, AstroShader or On This Day?

On This Day is rated higher. AstroShader averages 4.2 out of 5 from 105 ratings, while On This Day averages 5.0 from 1 ratings.

### Do AstroShader or On This Day have ads?

Neither AstroShader nor On This Day shows ads.

### Which is updated more often, AstroShader or On This Day?

AstroShader ships an update every 3 weeks, and On This Day weekly. Most recently, AstroShader was updated on October 17, 2026 and On This Day on October 8, 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.*